Honda ct90 clutch nut torque In all three cases this tool Dec 23, 2007 · Okay, in response to Pricksters thread, I would like to know all of the important torque specs that our 50's use. Links to Related Posts: My Honda CT90 Clutch and Headset Nut Tool Cut Away of a CT90 Engine - CT90 Engine Exposed! Jan 11, 2014 · Going to strip down the transmission and check it over at the weekend, after I finally got round to making a tool to hold the variator and clutch bell. CT110 motorcycle pdf manual download. 25 threaded rod, big wing-nut, 3/8" galv pipe spacer, a couple of steel washers and a plastic washer to protect the tripple tree. 17 USD $2. OEM Honda Clutch Ball Retainer Correct for the following Honda Models CT70 1970-94 CT90K0-79 CT110 ST90 Z50 1968-78 Z50R 1979-99 Lock Nut Swingarm Bolt Honda Z50K3-78 Z50R CT70 OEM $3. CT90 instructions manual. So it looks like the piston rings are bad or one isn't sealing right and is jus Shop Complete Clutches & Kits for Honda CT90 with eBay Guaranteed Fit. Shop our large selection of 1978 Honda CT90A TRAIL 90 OEM Parts, original equipment manufacturer parts and more online or call at 269-385-1540 May 13, 2013 · Here is a shop made tool for removing and installing fork tubes. If it were me I would probably pull the stator cover off and try to turn the motor over with a socket on the flywheel nut rather then with the rear wheel. . 64 Genuine Part CT90K0 TRAIL 1966 - 1968 USA Clutch lever (From Frame No. May 29, 2017 · Since I was tearing everything apart I thought I would document step by step how everything goes back together in this post in case others were interested in knowing what the inner workings of a CT90 engine look like. ENGINE REMOVAL/INSTALLATION 36 2. A sample from the products for the Clutch include: Plate A,clutch, Gear,drive,set, Plate,drive, Outer,clutch. I will refer to the part numbers in this picture when describing my parts. Nov 11, 2008 · I just picked up a 1972 CT90. Do not jostle it much or it could come apart. If the screw heads are stripped, use a drill and drill the middle of the screw head, just enough to remove the screw head. The manual emphasizes the importance of using specified tools and following procedures closely to ensure optimal Jul 24, 2019 · What torque should i use on the rear sprocket nuts? I'm putting on new chain and sprockets (OEM) and have heard of people breaking off the studs from using the factory torque spec (72 ftlbs). I'm not sure if they even made a manual model for 1980. 0 x 45. Since I was tearing everything apart I thought I would document step by step how everything goes back together in this post in case others were interested in knowing what the inner workings of a CT90 engine look like. " Most of the other features on the Trail 90 have changed little since our last visit. Special socket for the special nut. For Honda CT90, CT110, CT200 and others. Apr 9, 2017 · Since I was tearing everything apart I thought I would document step by step how everything goes back together in this post in case others were interested in knowing what the inner workings of a CT90 engine look like. 5 - 18. Jun 28, 2009 · Semi-auto Transmissions (Gearbox & Clutch)Adjustment of the clutch should be done with the engine stopped. 5 cc (5. Also for: Cl90l, Cd90, C90, Ct90, Cl90. The Honda CT90 “Trail 90” uses a semi-automatic centrifugal clutch instead of a hand-operated manual clutch. Be sure and order an extra lock washer, one of the tabs that you bend up to hold the clutch nut in place will often break off in the removal process. Complete Restoration of Honda CT90 also known as Trail 90 motorcycles. Links to Related Posts: My Honda CT90 Clutch and Headset Nut Tool Cut Away of a CT90 Engine - CT90 Engine Exposed! Get the best deals for Honda Clutch Tool Ct90 at eBay. This Motorcycle Has been Produced Since the Year 1966 to 1969. There is a special tool to hold the clutch basket to torque the castellated nut, but I don't have it. But I can not get the clutch nut off. From other For the conversion, you will need the Clutch assembly, right crankcase clutch cover with manual clutch lever from a CL90 engine, and a clutch cable. Jul 27, 2025 · Stainless Steel Clutch Holding Tool For Versatile Honda CT90 K2 CT110 & CT200 US. LUBRICATION POINTS 9 5. While in gear, I need to twist the throttle a good ways before the bike Waghornswood Jun 4, 2015 · It helps to have a "cheater bar" or a long torque wrench as the clutch nut is well seated. If the preload isn't adjusted right, by turning the screw back in about 1 flat or so [can't remember exactly how much] then you'll have the crashing & clanging shifts. If yo Jan 16, 2025 · The engine in my 1969 CT90 K1 is not original and comes from an earlier (1968) bike, which created a useful opportunity to see how the engine evolved over time. You may have a simple adjustment problem if you Sep 26, 2019 · Just gathering new bolts and screws to replace the stripped Philips head bolts I've come across while re-building my motor. Page 32 CLUTCH LOCK LEVER This motorcycle is equipped with a clutch lock lever. I think I purchased the clutch tool off of Amazon Prime for $9 or so. Aug 14, 2009 · Hey guys, after much effort and alot of work I finally go the bike to a point where i can kick start it and it starts up on the second or third kick. The original purchaser stored it in her Clemson garage for more than 40 years. Dec 30, 2023 · Hello, I recently just bought my first 1968 Honda ct90. For Honda CT90, CT110 and CT200. Doing a top end rebuild, and wondering if anyone knows the head cap nut and main clutch bolt torque specs? Local dealer said the clutch nut is 87 and cap nuts are 39 ft lbs, but that seems a little high. May 13, 2025 · I opened up the clutch side case to check/clean the oil filter screen. Originally introduced in 1966 as an evolution of the Honda C200 and CT200, the CT90 was designed for off-road adventures and rugged utility use. Mar 12, 2008 · The best quick reference torque specs is knowledge, no kinda disrespect here, you generally use the bolt size as a reference, 6mm go to 10-13 ft-lbs, 8mm go 14-17 and 10mm go 22-24. heydownloads. I am having a difficult time reaching this measure without the tool slipping from the nut. 5cc engine. Most of the time the screws are hard to loosen. Some items from this specific schematic: Circlip 38mm, Collar 20 Mm, Plate, Drive, Plate C Clutch. Including Cylinder Head torques, Lugnuts, Wheel Hub, Oil Drain Plug torques, Spark Plug, and even the Axle Nut Torques. I believe the clutch nut is torqued back to 30 ft lbs. Any suggestions? Sep 28, 2019 · Specs call for the clutch nut to be torqued between 58 and 72 ft lbs so I settled at 65. The Motorcycle Engine is capable of giving around Maximum Power of 8500 rpm and Maximum Torque of 6000 rpm. Is it true that the early z50' s take a smaller clutch nut than ct70's and later z50's, if so whats the torque spec for it, and where do you find that special socket? Mar 4, 2019 · Since I was tearing everything apart I thought I would document step by step how everything goes back together in this post in case others were interested in knowing what the inner workings of a CT90 engine look like. Hopefully if this turns out well, we can make it a sticky. Precision manufactured in our UK workshop. com. WIRING DIAGRAM 10 6. there is also a proper tool to stop the clutch housing turning while you undo the clutch holding nut (see diagram on the right) but if you don't have one then you can improvise. Research 2006 Honda TRX450R torque specs. Engine & Transmission How to Rebuild the Centrifugal Auto Clutch | Honda CT90 / Trail 90 How to set the Valve / Tappet Clearance on the Honda CT90 / Trail 90 How to set the Cam Chain Tension on the Honda CT90 / Trail 90 How often do I need to change the oil on my Honda CT90 / Trail 90? What engine oil should I use on my Honda CT90 / Trail 90? Oct 21, 2015 · Service limits and torque specifications for the following 1997-2001 Honda CR250 2-stroke dirt bike components: Clutch, Kickstarter, External Shift Linkage Author Topic: Clutch nut tool - yes or no (Read 5472 times) 0 Members and 1 Guest are viewing this topic. Links to Related Posts: My Honda CT90 Clutch and Headset Nut Tool Cut Away of a CT90 Engine - CT90 Engine Exposed! NOS (New Old Stock) Honda CT90 K1-K5 Trail 90 Speedometer Meter Gauge Inner Cable 44831-028-000. com we sell Honda parts, z50, ct70, qa50, cb750, sl70, nos parts, reproduction, and aftermarket, northeast, vintage, cycle. When I shift it into 1st gear at idle, on the center stand, the rear wheel spins Honda CT90 Model is a Trail Motorcycle Manufactured by Honda. Manuals and User Guides for HONDA CT90. And is it worth a viking sword Th The lowest price component in this Clutch parts-list fiche is the Screw,cross 5x8. lock nut ( ) and check the adjustment. I wanted to check the torque on the spring bolts when I do my Nov 30, 2011 · The info is located in the clutch chapter under "Torque Values". TROUBLE SHOOTING CHART 11 7. 3, Remove the rear Torque arm bolt a the rear brake panel ‘4 Pullout the rear ale and the rear wheel can be removed from the frame. These are covered in this shop manual, in Section VII ('781⁄2 EMISSIONS ADDENDUM). I can find screw and bolt sizes readily ie: 6x12 (6mm bolt 12mm long) but I cant find the pitch, course or fine, It looks like all the bolts I've seen so far are course pitch, but i don't want to assume ALL the screws and bolts have a course pitch as im only 1/4 ways thru Sep 10, 2025 · This is a very easy to use tool for holding the clutch basket on most Honda CT90, CT110 and CT200's so you can loosen or tighten the nut that retains the clutch basket. 5cc four-stroke single-cylinder engine, a semi-automatic transmission with a centrifugal clutch, and Honda’s Jan 3, 2012 · Often even a siezed ct 90 motor will still run, these things are amazing, under powered but amazing. It outlines specifications, features, and detailed procedures for maintenance, disassembly, and reassembly of various components. Remove the clutch after removing this nut. Today buckets gets into working on a Honda ct90 , Customer states put new clothes in but can't get it to To work correctly. the service manual says to use loctite and that the nuts themselves are self locking. 6 mm (1. Torque setting, if possible. Jun 8, 2009 · Does anybody know what the torque spec is for the inner clutch hub nut? Also does anybody have a good trick to tighten that nut if you do not have a clutch hub holder? I was thinking of trying a strap wrench but that may end up bending the fingers on the clutch basket. We have 3 HONDA CT90 manuals available for free PDF download: Shop Manual, Owner's Manual Jul 2, 2012 · Been trying to get the clutch lock nut off my ct90 k2 for the last two days. Refer to the Service Manual for the torque values of the removed parts. 4-32. Feb 23, 2015 · Please note that this is not a complete list of torque specifications for all parts and components of your Honda Civic. I have already cleaned up all the detail parts and let my new clutch disks soak overnight in oil, so everything is ready to be assembled. Remove the main drive gear after removing the snap ring. Once damaged you can either drill the heads off Apr 5, 2009 · Torque specs and oil on threads beign a major bug-bear. Links to Related Posts: My Honda CT90 Clutch and Headset Nut Tool Cut Away of a CT90 Engine - CT90 Engine Exposed! How do I adjust the clutch on my Honda CT90 (1979)? To adjust the clutch, locate the clutch cable adjuster near the engine, loosen the locknut, and turn the adjuster until you have the desired free play in the clutch lever. TORQUE SPECIFICATIONS 7 3. Aug 26, 2023 · Clutch you can get a special castellated socket to remove the clutch holding nut: . If your Trail 90 does not want to budge at the twist of the Feb 23, 2009 · Here's a picture of all the clutch parts. 5 kg/m). So, those clutch cover fasteners are probably the "6 mm flange bolts" (?) TRQ 12 (1. Complete restorations include complete restoration of Engine, Body, Electrical, Chrome, Nuts and Bolts. Any ideas on proper torque? Also, does anyone have some general break-in instructions for a newly Clutch/Gearshift Linkage clutch center lock nut -- 80 lbf-ft primary drive gear nut -- 65 lbf-ft gearshift drum stopper arm pivot bolt -- 9 lbf-ft gearshift spindle return spring -- 17 lbf-ft Altenator/Starter Clutch flywheel bolt -- 94 lbf-ft starter clutch bolt -- 22 lbf-ft left crankcase cover stud bolt -- 7 lbf-ft gearshift pedal pinch bolt Apr 10, 2011 · I have done a complete rebuild and am wondering how do you lock up the transmission to torque the centre nut with the engine out of the bike? Apr 7, 2020 · A torque wrench is an absolute requirement unless like Tom, myself and several others you have a fairly well educated wrist and arm. Links to Related Posts: My Honda CT90 Clutch and Headset Nut Tool Cut Away of a CT90 Engine - CT90 Engine Exposed! Jan 9, 2019 · Honda Lug Nut Torque Specifications Honda Lug Nut Torque Specifications ACCORD – ALL ALL / ALL 1982 – 2018 80 ft-lbs CIVIC – ALL ALL / LX 1984 – 2016 80 ft-lbs CROSSTOUR 17″BASE / EX 2010 – 2015 80 ft-lbs CR-V ALL / ALL 1997 – 2016 80 ft-lbs CRX ALL / HF 1984 – 1991 80 ft-lbs CR-Z 16″BASE / ALL 2011 – 2016 80 ft-lbs Aug 4, 2011 · What is the spec on how many pounds of torque are you supposed to use when touring the head? Also which stud does the nut and copper washer go on? Dec 18, 2011 · Here's a torque table that I've put together from various 450 and other sources (Thanks Nigel!) and the format has been changed (Thanks Znabb!) so if you prefer a torque value spread or nominal with a tolerance, both are included. When you go to kick-start the engine, you can feel that the kickstarter doesn't engage and spin the engine at 100%. I just got my jug and head back from the ebay machinist (great 6 day turnaround there and back from CA to MN to CA). Oct 7, 2012 · Castellated nut (19). Honda calls it "Posi-Torque," or "an exclusive automatic gear ratio selector and auxiliary transmission. SPECIAL TOOLS 8 4. Tighten the Honda dealer. 00 at you local Honda shop. Nov 16, 2017 · Since I was tearing everything apart I thought I would document step by step how everything goes back together in this post in case others were interested in knowing what the inner workings of a CT90 engine look like. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Sep 9, 2017 · Links to Related Posts: My Honda CT90 Clutch and Headset Nut Tool Cut Away of a CT90 Engine - CT90 Engine Exposed! Repairing Damaged CT90 Spark Plug Threads Using a Time-Sert Thread Insert CT90 Cl Jul 18, 2019 · Hello everyone, I have a quick question on a 2014 Honda Rubicon 500. AUXILIARY TRANSMISSION 65 Mar 14, 2018 · Simple low cost Honda CT90 clutch holding tool you can build in your shop. I've found a few different figures for the torque on the head bolts, from 16 to 18 ft lbs. It had been sitting for decades, but a friend of mine got it up and running. The auto clutch feature of the Trail 90 is very unique but it also takes a toll on the friction discs. Oct 16, 2017 · Since I was tearing everything apart I thought I would document step by step how everything goes back together in this post in case others were interested in knowing what the inner workings of a CT90 engine look like. The adjuster fitted in the 1968 engine is a modified version of Sep 4, 2014 · So I replaced the fiber clutch plates on my CT90 cause there when little resistance when using the kick start, but the shifting is still messed up. TORQUE CHART Tighten all screws, bolts, and nuts to their specified torque values. What happened??? Full text of "Honda CT90 CT110 Shop Manual" See other formats pues m3 is Ee ed ¥ x Bex Frm eee 2 HONDA CTS90-110 INTRODUCTION This shop manual contains service information and procedures for 1977 through 1979 CT90’s and 1980 through 1982 Honda CT110's. Dec 26, 2020 · Date 1 - 12 of 12Diagnosing Transmission Issues Looe the rer ale nut, sleeve nut, drive chaln adjusting nut and dione eet the deve chain atthe joint eli. I measured all the springs in there and they were all within spec. It was bought brand-new in Anderson, South Carolina, only 20 miles from where it was utilized every day in 1969/1970 to go to and from school at Clemson University. I've tried a couple different strap wrenches and it still slips. Some later models used a notched gasket to clear the mounting studs. The big clutch nut is listed as "Clutch lock nut" and the lifter plate bolts are listed as "Clutch lifter plate bolts". 866:1 ratio reduction box that was manually switched into operation using a small lever under the transmission case. LUBRICATION SYSTEM 56 5. 46 cu in) OHC air-cooled single cylinder engine Bore / Stroke: 50. Motorcycles manufactured after December 31, 1977 are equipped with emission controls. I have a 1980 Honda ct70 3 speed semi-auto and am looking to swap in a Lifan 125cc 4 speed manual. This shop manual serves as a comprehensive guide for servicing the Honda 90 series motorcycles, including models S90, CL90, CL90L, CD90, C90, and CT90. B CLUTCH CENTER PLATE AND Disc REMOVAL nut the nut. Remove the clutch cover. lbs or so? I looked in the honda manual that covers KO-82 and couldn't find it. Apr 20, 2017 · Since I was tearing everything apart I thought I would document step by step how everything goes back together in this post in case others were interested in knowing what the inner workings of a CT90 engine look like. 5 - 8. You need the proper socket as well as something to secure the clutch drum with. Honda S90 Pdf User Manuals. --This is a very easy to use tool for holding the clutch basket on most Honda CT90, CT110 and CT200's so you can loosen or tighten the nut that retains the clutch basket. clutch A plate A the —re plate. 00 Genuine Part CT90K0 TRAIL 1966 - 1968 USA The Honda Trail 90 had a clutch, right? A 1969 Honda CT90 / Trail 90 with 738 original kilometers is being displayed. It features an 89. I replaced the washers with new soft crush/sealing washers and began the torque process using a criss-cross pattern and incremental torque increases. Torque setting ? 3) The 9 Phillips screws for the side case. 1 (ft·lbs) Cam Chain Guide Roller Bolt: 6. View and download Honda ct90 manuals for free. The left handlebar lever on the earlier CT90 is used for rear brake, it will be used for the manual clutch. Note the instructions on installing the lock washer after refitting the clutch. Links to Related Posts: My Honda CT90 Clutch and Headset Nut Tool Cut Away of a CT90 Engine - CT90 Engine Exposed! . 2, Remove the rear brake adjusting aut and remove the rear brake rod from the brake arm. At hondanuts. Part measures 29 1/2" long overall. Oct 1, 2025 · Honda TRX70 Clutch Nut Socket Tool Honda Clutch Nut Socket Tool This tool is used to undo and tighten the clutch nut. I know there are two clutches in t May 24, 2019 · Since I was tearing everything apart I thought I would document step by step how everything goes back together in this post in case others were interested in knowing what the inner workings of a CT90 engine look like. These . CLUTCH LIFTER PLATE REMOVAL bolts litter plate dutch litter NOTE in with the LOCK NUT 07716-002090 PLATES AB ANO Discs A. 4 - Mar 23, 2003 · Put clutch basket back on with new nut retainer & nut. com Follow this publisher View and Download Honda S90 shop manual online. MAINTENANCE SCHEDULE 20 III INSPECTION/ADJUSTMENT 22 IV ENGINE 1. To OP the clutch adjustment is described in service manual, how to adjust the locknut/screw properly. It is in two parts. You have to back out the screw then turn it back in a bit and tighten nut. A few questions on reassembly. Suitable for the following models/years: TRX 90 1993-2019 Precision manufactured in our UK workshop. CT 70 1970 motorcycle pdf manual download. CYLINDER/PISTON 50 4. Engine Cylinder Head Nuts: 14. 8-4. One of the few differences is the design of the copper head gasket. The clutch does not engage when in neutral, which is correct, but when i shift Honda CT90 TRAIL 1970 K2 USA parts lists and schematics Easy repairs with Honda diagrams Free access! Research 2000 Honda Fourtrax 300 4x4 Torque Spec. Most of the Honda 90 Horizontal engine share the same or similar configurations. 75 USD View On sale Honda Ct90 Manual Clutch Conversion Designed to run with your stock Honda thumb throttle assy and to match up with the performance carbs for P242K, Kitaco Manual Clutch cover conversion kit. The sub assemblies and components that make up this Clutch include this Gear Primary Dr, the most expensive part. 5M Honda CT90 Sep 7, 2009 · This is a very common situation. Another illustration of Honda Aug 15, 2017 · Discussion on why you may consider replacing your Honda CT90 shift drum stopper when you rebuild your clutch. You're supposed to torque it to 54-64 lbs-ft, but I didn't have anything to hold the basket from spinning, so I just got it as tight as I could. View and Download Honda CT 70 1970 owner's manual online. Some models have four speed Auto transmission and other have a Manual four speed clutch. head studs with chrome closed type acorn nuts. If there are Feb 27, 2025 · Honda CT90 Manual Cam Chain Tensioner Instructions Honda CT90 Specifications Honda CT90 Service Data and Service Limits Honda CT90 Torque Specifications Addendums & Supplements Honda CT90 K2 - K6 Supplement Honda CT90 K8 (1977) Supplement Honda CT90 1978 Emissions Addendum Honda CT90 1979 Addendum Related to Sep 24, 2020 · Aloha, I don’t have a torque wrench and I don’t really want to buy one. 5 ft-lbs (3. Nov 7, 2017 · Links to Related Posts: My Honda CT90 Clutch and Headset Nut Tool Cut Away of a CT90 Engine - CT90 Engine Exposed! Repairing Damaged CT90 Spark Plug Threads Using a Time-Sert Thread Insert CT90 Cl Honda CT90 oil change and clutch adjustment also clean up of the shocks and kickstand. Made from toughened steel and chemically blackened for durability. If you need any more specs let us know. May 6, 2018 · I recently did a complete tear down and assembly of a CT90 clutch pack and did a detail post at my CT90 blog of the steps I followed and thought I would share a link here to the post in case anyone else was getting ready to rebuild their CT90 clutch pack May 5, 2018 · Here is a picture of all the parts that make up the clutch assembly on my 1971 CT90. 1978 HONDA MOTOR CO. CYLINDER HEAD/VALVES 38 3. cam chain tensioner Bikes from this era came with one of Honda's earliest attempt at a automatic cam chain tensioner (there were several other attempts after this one). Created Date8/21/2014 10:47:02 AM Jan 28, 2022 · Honda CT90 CT110 Shop Manual Publication date 1982 Topics Honda, CT90, CT110, shop, manual, service, repair, fix, 4 stroke, four stroke, motorcycle, ADV, enduro, dual sport, vintage, scooter Collection manuals_honda; manuals; additional_collections Language English Item Size 333. 797 Jul 27, 2025 · This is a very easy to use tool for holding the clutch basket on most Honda CT90, CT110 and CT200's so you can loosen or tighten the nut that retains the clutch basket. The adjustment screw is located in the centre of the pot shaped extension to the right hand transmission side cover. I could use my penny-on-a-ribbon to lock the gears, but the Clymers manual suggested using an extension in the wristpin bushing to hold things still. Draw bar: Made from 10mm X 1. Apr 17, 2012 · Reverse the order and put it back together replacing the gaskets when you do. Disclaimer: there were significant gaps in the information View and Download Honda CT110 owner's manual online. Buy a set of snap ring removal pliers. Hopefully this shopping list will be of use to others (and myself) in the future when doing a clutch Part Clutch Friction Discs aka Clutch Rebuild Kit for Honda CT90 / Trail 90 This Kit Fits the Following Honda Models CT90 K0-K9 - Trail 90 Why You Need This Clutch friction discs are a wear item on your Honda CT90 / Trail 90. How crucial is this to putting on the clutch nut, can I get by without it? Apr 8, 2020 · This is a video on how to adjust the clutch on a Honda CT90 and this would be similar to how you would adjust the clutch on other Honda's with automatic clutches. The screws holding on the clutch nut cover look harmless enough and it is often mistakenly assumed that they don't require an impact driver for removal but they are set with an amount of torque. New piston, rings, valves, and clutch. NO LONGER AVAILABLE FROM DRATV @ *OEM HONDA BEARING MAIN SHAFT TRANSMISSION ALL ATC90 CT90 CT200 CM91 ST90 ATC110 CL90 SL90 S90 96100-60040-00 7/20A (309N) NO LONGER AVAILABLE FROM DRATV @ *OEM HONDA BEARING COUNTER SHAFT TRANSMISSION ALL ATC90 CT90 CT200 CM91 ST90 ATC110 CL90 SL90 S90 96100-62040-00 1/22A (309M) May 18, 2024 · Honda invented the posi-torque system in 1967 and used it on the CT90 range of the same year. Nov 14, 2011 · The manual (Honda Shop Manual CT90-110 CT90 '77-79 CT110 '80-82) says for the clutch lock nut torque should be 27. CT90-122551 To CT90-147458) $13. As I am unfamiliar with ct90s and their semi-automatic transmissions, I had a question. Massive selection from top brands on eBay. Start the engine, pull in the clutch lever Other Checks: and shift into gear. Feels like it is slipping inside. Any thoughts? Dec 21, 2017 · Since I was tearing everything apart I thought I would document step by step how everything goes back together in this post in case others were interested in knowing what the inner workings of a CT90 engine look like. Links to Related Posts: My Honda CT90 Clutch and Headset Nut Tool Cut Away of a CT90 Engine - CT90 Engine Exposed! Apr 15, 2022 · Lots of little parts to remember when doing a CT90 clutch rebuild, and I always end up going back through old order emails and other locations to piece it all back together on what is needed. Come join the discussion about performance, engine modifications, troubleshooting, exhaust kits, and more! I always compare the torque it takes to get it off to that of removing a lug nut on a car rim. But what I really would like to know is the torque specs for the nuts holding the clutch and variator. The only problem is I have a massive cloud of blue smoke behind me. The common tendency is to assume that you can use a standard screw driver on them which leads to what you have there. These are covered in this shop manual, in Section VII ('78'/2 EMISSIONS ADDENDUM This a video on how to adjust the clutch on a Honda CT90 and this is also the method that would be used on other Honda models with an automatic clutch. The shift lever moves but won't go into any gear. The problem with the shift drum will now be exposed. 970 x 1. Full text of "CT 110 Shop Manual" See other formats W* SHOP MANUAL CTBO-IIO CT90-110 INTRODUCTION This shop manual contains service information and procedures for 1 977 through 1 979 CT90's and 1 980 through 1982 Honda CTIIO's. With a quantity of twenty-eight pieces, the Weight Clutch is the most used part in the CLUTCH diagram. Didn't have the right tool so the nut is kind of banged up, still won't b Dec 21, 2017 · The three main features that are important with this type of tool are does it fit your wrench that will drive it, does it mate with the spanner nut you are trying to loosen or tighten, and is it strong enough that the tabs won't snap off or yield/bend over when torque is applied to either loosen or tighten the spanner nut that holds the clutch pack on your CT90. Refer to the service manual for a complete list and be sure to confirm the torque specs on any new part or component you buy and plan to use. Aug 22, 2013 · This is a collection of torque specs for all the nuts, bolts, and fasteners on your motorcycle. com The CT90 in its classic form was an 89 cc 4-stroke air-cooled single with a four-speed transmission and a semi-automatic clutch, coupled with a 1. This isn't the right forum to go into Mar 21, 2011 · Buy a clutch nut removal socket - about $9. I used an May 24, 2018 · My Honda CT90 Clutch and Headset Nut Tool Cut Away of a CT90 Engine - CT90 Engine Exposed! Repairing Damaged CT90 Spark Plug Threads Using a Time-Sert Thread Insert CT90 Clutch Pack Assembly Detail Build-up Painting Honda CT90 Side Cases Making a Low Cost Clutch Holding Tool for Your CT90 The Basic Sequence and Process to Set or Adjust your CT90/ST90 Auto Clutch 1. This Motorcycle Has an engine of Four-stroke, Air-cooled, Single cylinder, 89. Some of the real early heads had a wider base/gasket cutout and those heads can only be used with the matching cylinders INTRODUCTION This shop manual contains service information and procedures for 1977 through 1979 CT90's and 1980 through 1982 Honda CT11 O's. I have been getting some slight clutch slipping in top gear and was hoping to get through the summer with this clutch. CT90 Uses auto clutch only. Mar 26, 2009 · I just ordered a repair manual from my Honda dealer, and they said it is going to take a week or two to come in. CLUTCH/GEAR SHIFT/OIL PUMP 57 6. Mar 18, 2018 · I decided to replace the open ended nuts on my cyl. The Honda CT90, also known as the Trail 90, is one of the most iconic small-displacement motorcycles produced by Honda. 2,9) I would think Apr 16, 2008 · Is there any tips or tricks to removing the lock nut holding the clutch on? I have the spanner tool, but I can't stop the clutch from turning. 1) At what point does #18, release lever attach? 2) Clutch cover has 2 tapered screws. Honda CT90 Head Removal and InstallationHonda Used identical heads in all the Horizontal four stroke 90cc (89cc to be exact) engines. View and Download Honda CT90 owner's manual online. After reaching 15 ft/lb , I continued at that setting and found that the nuts would continue to tighten ever so slightly (maybe a 15 degree turn Apr 28, 2021 · Hi, I have a 1972 CT90 with a clutch that never seems to diengage. Links to Related Posts: My Honda CT90 Clutch and Headset Nut Tool Cut Away of a CT90 Engine - CT90 Engine Exposed! Jun 26, 2013 · A forum community dedicated to Honda CBR 600RR owners and enthusiasts. There are some minor differences between the CT70/Z50, and the CT90 Auto Clutch, the procedure is essentially the same as described below. If you guys post them, I'll add em into this original post so we can hopefully have a nice organized list. Links to Related Posts: My Honda CT90 Clutch and Headset Nut Tool Cut Away of a CT90 Engine - CT90 Engine Exposed! OEM Honda Z50, CT90 and CT70 Many Others Brake Shoes May 12, 2012 · I have a 1978 ct90 and I have been following the instructions for rebuilding the clutch. Socket comes with a 1/2" square hole that fits a standard ratchet or torque wrench. be R. Oct 29, 2025 · Honda TRX 90 Clutch Nut Socket Tool Honda TRX 90 Clutch Nut Socket Tool This tool is used to undo and tighten the clutch nut. 2. $14. Links to Related Posts: My Honda CT90 Clutch and Headset Nut Tool Cut Away of a CT90 Engine - CT90 Engine Exposed! Mar 29, 2015 · Same as the auto clutches @ 30 ft. When the friction discs wear out, the clutch will begin to slip, especially under load or acceleration. 7 (ft·lbs) Clutch / Oil Filter Castle Nut: 27. Use an impact screwdriver to avoid stripping the screw heads. I've triple checked everything and scoured the interwebs and I've seen a number of people and posts with the same issue but never a resolution. Torque to about 30 ft*lbs. This ingenious device had the effect of providing the bike with 4 additional hillclimbing gears in addition to the standard 4 ratios for road-riding Earlier solutions The posi-torque system replaced the unwieldy Sep 8, 2014 · I'm rebuilding the top end of my 1965 CT200. CT90 motorcycle pdf manual download. Rebuilding the auto clutch restores proper engagement and protects the rest of the engine from friction debris. That education comes after years/decades of wrenching daily. CLUTCH øNicing in shift the in to tra fts HONDA CB750K LIFTERS PLATE CLUTCH CENTER PRESSURE PLATE CLUTCH ourER Date August. place the engine flat on the side before removing the clutch 2. Great deals. View online or download Honda S90 Shop Manual Jan 3, 2012 · I just finished putting in a new clutch in my ct90 and now it won't shift into any gear. Please get in touch if you Sep 2, 2024 · Since I was tearing everything apart I thought I would document step by step how everything goes back together in this post in case others were interested in knowing what the inner workings of a CT90 engine look like. They were all specifically specced with or without oil and you have t oadhere to that whether you like it or not, it does have a major impact in some cases. Slide hammer: Made from an engine mounting bolt with the slide and threaded connector made from scrap steel rod. Suitable for the following models/years: TRX 70 1986-1987 Socket comes with a 1/2" square hole that fits a standard ratchet or torque wrench. pdf's are taken directly from the factory shop manuals. Is this the clutch going bad? I am about to take the engine apart and investigate. Motorcycle Specifications Overviews and Road Tests Aug 26, 2020 · Honda Ct90 Ct110 Service Manual Repair 1977-1982 - PDF DOWNLOAD Published onAug 26, 2020 Report content www. Is this the correct torque to use? Manuals and User Guides for Honda CL90 Motorcycle. These are covered in this shop manual, in Section VII Page 31 Turn the adjusting nut ( ) to the clutch does not work correctly, see your obtain the specified free play. When I rebuilt my CT90 clutch a while back, I was able to use a strap wrench and the clutch nut tool. QA50 parts, SL70 parts, Z50 Manufacturer: Honda Engine: 89. It is item 23 in the di Nov 5, 2022 · I think if you look on page 1-11 at the beginning of the "TORQUE VALUE" section it gives the "standard tightening torque" for different fastener types that don't have any special torque requirements. We have 1 Honda CL90 Motorcycle manual available for free PDF download: Shop Manual Jun 17, 2025 · The smaller 33mm spanner wrench opening also fits the headset nut used on CT90 K0 and earlier models. S90 motorcycle pdf manual download.