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Old 01-23-2013, 08:50 PM   #1
Miloman
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Crf50 hd clutch problem?

I installed a tb heavy duty auto clutch today on a 50 and it has major clutch drag. I can't even come to a stop in 1st gear without dieing and shifting into second and third near rips me off the bike.. Are any other people running tb hd clutch and experiencing the same problem? I Tried adjusting the clutch with the nut and screw on the engine case and nothing.. We put oil on the clutch but didn't soak it for long :( How long is the break in period before this stops(if ever). Could an over torqued clutch nut(the one that holds the clutch on not the one for adjustment on case) cause this to happen? Are these tb HD clutches just a pos? Or I didn't soak it long enough or ride enough to brake in yet? Any help/input will be appreciated thanks!
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Old 01-24-2013, 11:58 AM   #2
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Bump. someone here can help you.
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Old 01-24-2013, 12:03 PM   #3
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I've never had an issue with one. How high is your idle? And are you sure you are adjusting it properly?
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Old 01-24-2013, 12:28 PM   #4
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Chad...seems like I kind of remember something like this on mine. You fixed it, but something like an extra washer in between the case cover.

Either way, Chad can take a look at it and fix it!
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Old 01-24-2013, 12:36 PM   #5
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Ok here is what I found so far.. My clymer manual i got from honda is WRONG. It sais to adjust the clutch you loosen the nut on the cover and turn flat head screw clockwise intill resistance is felt then back off 1/4 turn and tighten nut. Wrong!! Two bros- Alax man movies- planet minis- and mini mob all say that is 100% backwards. That you loosen nut and turn screw counter clockwise intill resistance is felt then back off 1/4 turn and tighten nut.. Planet minis also say there can be a two- four hour break in period with this clutch and that could take longer for me because I didn't soak the clutch for long..
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Old 01-24-2013, 12:38 PM   #6
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Yup. Figured that was the problem.
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Old 01-24-2013, 12:42 PM   #7
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The bike sounds fine and idles fine. But as soon as you put in first gear you better be ready to grab some back brake or hang on! I can't believe a stupid 30$ manual i just bought would have the wrong procedure in it. I'm going to try adjusting it back the other way when I get home.
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Old 01-24-2013, 04:01 PM   #8
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I don't ever remember a 2-4 hour break in period? From what I remember, you build it, and ride the out of it immediately!!

Yeah, I agree with Chad, sounds like an adjustment issue.
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Old 01-25-2013, 02:49 PM   #9
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Found out what happened. For those experiencing the same problem check out this write-up http://planetminis.com/forums/crf50/...h-bushing.html whenever I put the new clutch on I over torqued the clutch nut. This will crush a part called the clutch bushing which is made of a meterial much softer than steel. When this part is crushed down and not the proper length it will cause the clutch to not disengage and you will experience the same problems as me. Bottom line don't over tighten the clutch nut- torque to 32ft-lbs. If you do over torque the clutch u need a new clutch bushing or some people make a spacer to take up the slack. check out the link I posted for more details and diagram on this problem.

Last edited by Miloman; 01-25-2013 at 02:52 PM.
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