Clutch slipping? - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 5 (permalink) Old 07-14-2019, 06:06 PM Thread Starter
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Clutch slipping?

Only slips when running hot or in the power band its got a new clutch braided line oberon slave and rebuilt master I decided to throw parts at the problem and she's still got a slipping clutch I don't know what to do!!
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post #2 of 5 (permalink) Old 07-14-2019, 11:32 PM
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is it a stock master? did you clean it all out completely when you rebuilt it?

does it have a stock lever on it? or a crappy aftermarket?

what engine oil are you using?
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post #3 of 5 (permalink) Old 07-14-2019, 11:48 PM Thread Starter
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Yeah I did clean the master has mobil 1 4t and it does have real cheap levers on it just couldn't see how it would make a difference
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post #4 of 5 (permalink) Old 07-15-2019, 08:41 AM
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Put the stock lever back on.

If the lever is pressing against the plunger at all it could keep the system closed. If the system is closed the fluid will expand as it heats and partially disengage the clutch instead of migrating to the reservoir.
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post #5 of 5 (permalink) Old 07-15-2019, 12:37 PM
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Make sure it's bled properly. Try reverse bleeding the slave cylinder, the Oberon slaves can be hard to bleed....notorious issue on Aprilia RSV's. Also the Oberon in conjunction with the cheap lever may be making it worse. Aftermarket slave cyclinders reduce lever pull at the expense of the amount of space used to disengage the clutch. This can be negated by moving your lever all the way out to increase the lever pull distance.

I recently removed my Evoluzione slave off my RSV for this very issue.
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