|By Tbone on Thursday, September 12, 2002 - 04:56 am:|
Can someone explain clutch drag to me, please? And what's the opposite of drag? Is it slip?
Problem: after changing oil brand from 15W50 Yacco Mineral to 20W50 Liqui Moly Mineral my clutch grabs much better (practically no slip like before) but the bike jumps while I'm releasing clutch lever during high speed shifting and when coming out of a turn this is pretty scary to a little ol' wannabe racer like me ;-)
Can't figure it out.
|By Oldgit on Thursday, September 12, 2002 - 05:18 am:|
I think you have just about worked it out for yourself Tbone, using heavier oil will cause clutch drag, many falco owner's use lighter 10-40 grade oil for this reason, try not using the clutch for fast up changes, the falco has a sweet box, if you time your changes properly.
Apparently there is a modified clutch after some early model problems, look through the earlier messages on clutch matters.
|By Crmc33 on Thursday, September 12, 2002 - 05:37 am:|
Take a look at 'Pain in the clutch' (and other similar threads) in the old threads grave yard.
you are correct about the drag and slip being the two opposite ends of the scale.
It sounds like your oil is too thick. FYI, Im now running 10/40 Motul semi-synth and the gearbox and clutch have never been better. Even a thorough beating at Cadwell Park Circuit didnt make the clutch slip.
Give it a try, youll find that using 10/40 oil will tranform the gearbox (whether it be full or semi synth) and you will find neutral at a standstill easier also.
|By Crmc33 on Thursday, September 12, 2002 - 05:54 am:|
Oh, and to answer your question,
clutch drag is the clutch not totally disengaging the drive from the crankshaft to the gearbox shaft. Usually because the pressure btwn the clutch friction plates and steel plates is not being sufficently released.
This might be caused by warped clutch plates, thick oil causing the plates to adhere to each other, bent pushrods, coil bound springs or knack'ed hydraulic operation system.
|By Tbone on Thursday, September 12, 2002 - 07:47 am:|
Ok, will try 10W/40 semi or mineral. Thanks for that.
crmc33, what do you mean by "knack'ed hydraulics"? Clutch lever has little play between release and engage, which has been a result of changing fluid (using now DOT5.1).
Thanks for info.
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