The only fluids you want in (or on for that matter)a brake or clutch hudraulic system is brake fluid. In an emergency you can use water. but this JUST to get you where you can service the hydraulic system. NEVER use any petroleum product in,on or around these rubber parts. If you would like to see what happens put brake rubber parts in gasoline overnight. If you are servicing these parts wash them with Brake-Kleen or products for use on brake parts. Since the clutch hydraulic system is basically one half of a brake caliper, treat it as a brake system.
As far as I know DOT 4 and 5 fluid has a blue dye to distinguish it from DOT 3 . It has been said on this forum not to mix DOT and silicone fluid. It is not compatible?
The easiest way to bleed the clutch (if you do not have enough tools and octupus arms) is to remove the rear wheel to gain access to the bleeder screw. You are only going to do this once anyway. you can find a long section of vacuum hose to go over the bleeder screw (after removing the dust cap) and then put the other end in an almost full clear bottle of brake fluid. you can either gravity bleed like me or slowly work the clutch lever until the fluid needs to be added to the reservoir. Do this tli you are satisfied the old fluid is gone.Tighten the bleeder screw ,then replace lost fluid, install the cover and work the clutch to see that it works properly. After you are satisfied it is OK then you can install the rear wheel.
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