Question about 1975 kawasaki Z1B

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Clutch problem I'm having a clutch issue that I've been unable to solve. When I first fire the engine and ride away, all is well. I can rev up the engine with no hint of slippage. However, after riding for 20 minutes or so, the clutch begins to slip badly and I have to creep back home using about 1/4 throttle. I've changed the oil (10w40) and filter. I've bled the clutch but the condition continues. When I bought the bike in 92 I also bought the Suzuki Service Manual, but I can't find anything in it that'll point me in the right direction. I'm hoping that someone can give me an idea of where to look and what to look for. I've built Chevy engines for more years than I can remember (30+), but I never got into clutches/trans. I do have plenty of tools and time (since I'm retired) so I'd appreciate any help. Thanks,

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Has the clutch lever been off for any reason? Here is why I ask: When I put on my V-Strom guards I made a mistake putting the clutch lever back on. There is a brass bushing in the end of the lever (like where the lead head for a cable would go). That bushing spins inside the lever. That bushing has a hole drilled into it (or hell mine did). There is a pushrod for the master cylinder. That pushrod must fit precisely into that hole. My clutch lever popped out during the install and I didn't see that it fit such precision. It went together and rode just exactly how you describe. If it's not that make sure the lever is moving smoothly and fully inside its holder for its full range of motion. Have you bled the clutch to the point that new fluid is fully in the system? If not keep on bleeding! There is another possiblity that (given the age) part of seal broke loose and is blocking the return port.

Posted on Nov 20, 2008

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Clutch problem


Has the clutch lever been off for any reason? Here is why I ask: When I put on my V-Strom guards I made a mistake putting the clutch lever back on. There is a brass bushing in the end of the lever (like where the lead head for a cable would go). That bushing spins inside the lever. That bushing has a hole drilled into it (or hell mine did). There is a pushrod for the master cylinder. That pushrod must fit precisely into that hole. My clutch lever popped out during the install and I didn't see that it fit such precision. It went together and rode just exactly how you describe. If it's not that make sure the lever is moving smoothly and fully inside its holder for its full range of motion. Have you bled the clutch to the point that new fluid is fully in the system? If not keep on bleeding! There is another possiblity that (given the age) part of seal broke loose and is blocking the return port.

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2 Answers

Clutch problem


Has the clutch lever been off for any reason? Here is why I ask: When I put on my V-Strom guards I made a mistake putting the clutch lever back on. There is a brass bushing in the end of the lever (like where the lead head for a cable would go). That bushing spins inside the lever. That bushing has a hole drilled into it (or hell mine did). There is a pushrod for the master cylinder. That pushrod must fit precisely into that hole. My clutch lever popped out during the install and I didn't see that it fit such precision. It went together and rode just exactly how you describe. If it's not that make sure the lever is moving smoothly and fully inside its holder for its full range of motion. Have you bled the clutch to the point that new fluid is fully in the system? If not keep on bleeding! There is another possiblity that (given the age) part of seal broke loose and is blocking the return port.

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1 Answer

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