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Re: Clutch fails to disengage

The melting hypothesis sounds good as deterioration at the lever did not
occur when the bike was stopped and cooled off a bit, but rather when on the
clutch at a stop light.  What is involved in replacing this plastic piston?

Thanks again for your input,


Mick-7 wrote:
>>On May 12, 2007, at 10:42 AM, colson22 wrote:
>>>2000 R1100RT-P
>>>65000 Miles
>>>I purchased this motorcycle a few months ago from an individual,
>>>brought it
>>>home and had complete service done on the bike by the local
>>>dealer.  I have
>>>been commuting on the bike ever since about 50 miles a day and
>>>seemed to be great.
>>>About 1 week ago while stopped at a light I noticed that it was
>>>difficult to shift in to neutral while at stop lights, but I did
>>>not think
>>>much about it.
> Frank,
>    It sounds like your throwout bearing (piston) has failed.  It sits
> at the rear of the tranny and transfers the motion of the lever to the
> rod that actually disengages the clutch.  Did you hear 'any' noises?
> Usually the bearing fails and then it melts the plastic material that the
> piston is made from.  Bad news is that you have to pull the swingarm
> to replace it but it's a LOT easier than a clutch.
>    Another possibility is the diaphragm spring itself.  It can wear in
> such
> a way that the actuator rod actually pushes through it rather than
> disengaging
> it.  That is usually caused by a bad throwout bearing too.
> Mick
> Tucson (Carlsbad tonight, Tucson tomorrow)  : )) 

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