Clutch power assist?

Discussion in 'Motorbike Technical Discussion' started by Robert Roland, Jul 10, 2008.

  1. I have an old injury in my left wrist that causes pain when I use the
    clutch a lot. Stop-and-go traffic is particularly bad.

    Is there any way to make the clutch lighter to operate?

    My clutch is hydraulic (1996 CBR1000F).
     
    Robert Roland, Jul 10, 2008
    #1
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  2. Robert Roland

    . Guest

    1. A longer clutch lever is the simplest solution. You have to move
    the lever further do release the clutch

    2. Lighter/slightly shorter clutch springs might work, but you could
    have clutch slippage.

    3. You could alter the hydraulic pressure ratio by juggling relative
    diameters of master cylinder and slave cylinder. Brake master
    cylinders have two common diameter pistons, 9/16" and 5/8" inch, I
    dunno what the diameter of the clutch master cylinder piston is.

    4. You could remove the master cylinder from the handlebar and
    relocate it
    somewhere else. Then you could use a cable type clutch lever that
    operates a "mouse trap" device with an over center spring that gives a
    mechanical advantage once the spring is moved to a certain point.
    "Mouse traps" were used with old Harleys and Indians when they were
    converted from foot-operated clutch to hand operated clutch.

    5. Move the clutch master cylinder to the right hand side of the
    motorcycle
    and operate the lever with your foot.
     
    ., Jul 10, 2008
    #2
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  3. Robert Roland

    Who Me? Guest

    It would take some practice to get it right and.....might be hard on the
    transmission if you don't but.......you could shift (kinda) like the drag
    racers do with a kill switch instead of the clutch.

    Except for the 1-2, 2-1 transition, some people are able to make the rest of
    the shifts, in both directions, without the clutch at all. Going UP is
    fairly easy; coming back down is a little touchy.
     
    Who Me?, Jul 10, 2008
    #3
  4. Experiment with a different m/cylinder and lever combo.
     
    The Older Gentleman, Jul 10, 2008
    #4
  5. Robert Roland

    ottguit Guest

    Depending on your finances, maybe get the Yamaha FJR AE, it's
    clutchless, so to speak.
    Bg
     
    ottguit, Jul 15, 2008
    #5
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