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Thread: Clutch fluid loss.

  1. #1
    Superbike Twin leenineplus's Avatar
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    Clutch fluid loss.

    Hi all

    Why do I have to keep topping up my clutch fluid every few weeks, it appears to not leak anywhere or drip on the floor. Any idea's please?

    Regards

    Lee

  2. #2
    One Liter Duc Eater nikfubar's Avatar
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    It's leaking into the engine then

  3. #3
    Superbike Twin leenineplus's Avatar
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    Not good then!

  4. #4
    Baby Twin
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    If you run your fingers along the bottom of the clutch slave cylinder ( forward of sprocket cover ) you might find your losing fluid there ??

    If so the rubber on the piston might be shot ?

    Did mine for the second time two weeks ago , lasted about 9 k since the last one went in .

    Strip it down

    insert new rubber ,

    lube it up with some vaseline ,

    pour a little new fluid into the housing ,

    carefully push piston back in ,

    bolt it all back up and bleed clutch ,

    Job done .

    Probably less than an hours work even for a numpty of my calibre !!: thumbup

  5. #5
    Superbike Twin leenineplus's Avatar
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    Excellent, many thanks.

  6. #6
    GP Champ apostrophe's Avatar
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    Quote Originally Posted by rig1 View Post
    If you run your fingers along the bottom of the clutch slave cylinder ( forward of sprocket cover ) you might find your losing fluid there ??

    If so the rubber on the piston might be shot ?

    Did mine for the second time two weeks ago , lasted about 9 k since the last one went in .

    Strip it down

    insert new rubber ,

    lube it up with some vaseline ,

    pour a little new fluid into the housing ,

    carefully push piston back in ,

    bolt it all back up and bleed clutch ,

    Job done .

    Probably less than an hours work even for a numpty of my calibre !!: thumbup
    Is it a good idea to lube the seal with vaseline. It can damage some rubber products and also probably does not mix well with brake/clutch fluid. Better to lube with brake/clutch fluid I'd say.

    Rob

  7. #7
    One Liter Duc Eater nikfubar's Avatar
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    Better off using red rubber grease, that's meant for assembling brake seals so would be perfect for the clutch slave

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