Clutch Problems - Honda Rebel Forum

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Old 05-25-2011, 11:36 PM   #1
 
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Unhappy Clutch Problems

My (relatively inexperienced) wife rides a 2009 Honda Rebel with about 9k miles on it. She began to notice the bike would not go past 45-50 mph under load (wind or elevation) and it took me a while to realize it was a significant issue and take it for a ride myself. Eventually I got on it and immediately recognized the clutch slippage. We narrowed down the problem to the bike's first oil change (by me) when i used incorrect motor oil (non jaso-MA with additives).

I tried washing out the bad oil at least twice with some lighter no-additive oil and it seemed to help *a little bit*, but it was obvious that there was still a problem.

I finally got all the parts and tools from the dealer to change out the clutch plates. While taking everything apart, I noticed a few things:
  • The oil change before the oil washing was very black.
  • The clutch plates were very well within the specified thickness tolerance.
  • The friction plates were smooth and darkened.

I used a degreaser to remove all the oil from the friction and clutch plates and then sanded a good portion of the black deposits from the friction plates using 220 sandpaper. I applied new/good jaso-ma oil to the clutch parts and put everything back together, including torquing the plate springs to the recommended 106 inch-pounds, and it's still slipping, most evidently when I apply power at 25mph in 3rd gear.

I have new clutch plates, but I'm reluctant to drop them in because I was sure the scouring of the friction plates would have resolved the issue and I can save about $100 if I return them.

Is there anything else I can try to salvage this situation? Is it a significant potential for success to just dump the current clutch plates (even though they are within recommended thickness) and go with the new ones? They dont look any less rough than the new ones.

Thanks for any wisdom you can offer.
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Old 05-26-2011, 06:21 AM   #2
 
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The clutch plates "absorbs" some oil. So some of the wrong oil may still be in them.
And you have the correct freeplay at the clutch lever?
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Old 05-26-2011, 08:16 AM   #3
 
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Yep, freeplay to spec.
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Old 05-26-2011, 10:35 AM   #4
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You can return the $100 clutch plates and get EBC replacements online for around half that price.

Did you measure the springs before reinstalling to see if they were within specs? Was the judder spring properly oriented when installing?
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Old 05-27-2011, 12:12 AM   #5
 
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Exclamation A Different View of Clutch Plates.

Quote:
Originally Posted by Admiral Beotch View Post
[I used a degreaser to remove all the oil from the friction and clutch plates and then sanded a good portion of the black deposits from the friction plates using 220 sandpaper. I applied new/good jaso-ma oil to the clutch parts and put everything back together, including torquing the plate springs to the recommended 106 inch-pounds, and it's still slipping, most evidently when I apply power at 25mph in 3rd gear.
Take two slices of fresh bread. Over toast the two slices of bread. Take a butter knife and scrape off the burnt coating on the two slices of bread.

Take two more slices of fresh bread and position them on each side of the recovered over toasted bread.

Are all four slices of bread the same.
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Old 05-27-2011, 06:10 AM   #6
 
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Quote:
Originally Posted by Soul Searcher View Post
Take two slices of fresh bread. Over toast the two slices of bread. Take a butter knife and scrape off the burnt coating on the two slices of bread.

Take two more slices of fresh bread and position them on each side of the recovered over toasted bread.

Are all four slices of bread the same.
LOL. ROFLMAO
Seriously, you are on to something
How much reduction is ok before you get slipping?
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Old 04-17-2012, 07:27 PM   #7
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So maybe this is a coincidence but i have an 09 rebel and i just took it to the shop last August because of slipping (only 3800 miles) and they said i needed to replace all my plates. I asked them to give me the old plates after and from what i can tell they are not worn down the way they described. They couldnt really give me a reason why that would have happened so soon, i dont believe there was an oil problem though.
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Old 04-17-2012, 08:45 PM   #8
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Quote:
Originally Posted by zoomy View Post
So maybe this is a coincidence but i have an 09 rebel and i just took it to the shop last August because of slipping (only 3800 miles) and they said i needed to replace all my plates. I asked them to give me the old plates after and from what i can tell they are not worn down the way they described. They couldnt really give me a reason why that would have happened so soon, i dont believe there was an oil problem though.
welcome to forum zoomy. you didn't use energy conserving oil in your bike ?. if you did this would cause clutch to slip
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Old 04-18-2012, 11:43 AM   #9
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Most automotive 30 oils are energy conserving. I messed my clutch up using them.
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