The question that nobody has asked yet is when was the last time you had the fluid in your hydraulic clutch flushed?
If the answer is never, then you are about to learn a very expensive lesson, you may have just a problem with the slave cylinder, or the resulting corrosion has caused multiple issues, which may or may not include:
contaminated clutch disc
ruined slave cylinder
ruined master cylinder
rear main seal
A mity vac would be a good thing to invest in, it will make flushing the clutch circuit a five minute job.
It would be wise to consider flushing your brakes too if they haven't been done.
Brake fluid is hyrdoscopic, so it will attract water which will settle in the lower regions and eat away metal components. Thats why bmw switched from brake fluid to hydraulic fluid after the 1150 series.
'06 R12GS, '13 s1000RR
Originally Posted by Big Steve
I've yet to see a poor person driving a real gas hog......
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