clutch slips in top

Yamaha WR 400 discussion forum:


clutch slips in top

clutch slips in top 
Red said 2007-11-13 22:07 
 
I have a clutch slip problem.

It occurs only in top gear, at all rev speeds.

I have fitted a complete new clutch, (springs, boths sets of plates etc) hoping to rectify the problem, but it remains.

I thought the clutch I removed looked OK. It looks like it was an uprated clutch as it has dimples on the steel plates, unlike the new standard yamaha clutch I have now fitted.

Someone mentioned it could be oil type, ie going to mineral oil might solve it.

I am using semi-synthetic oil (which has been recommended to me generally as it is an old bike), against synthetic oil, as recommended by Yamaha in the workshop manual.

Or should I try going back to synthetic oil? Or none of the above?

if anyone can help I would be grateful.

All the best,

cheers, Red. 
 
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