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CLUTCH CHUDDER SYMPTOMS AND EFFECTS
Clutch Chudder is a vibration most prominent in the 2500-4000 rpm range. Ranging from mild to bad enough to shake body panels. The part that causes this can also make a tinny, metallic rattle that softens when you pull in the clutch lever. Typically when a clutch basket is worn enough to allow these two symptoms to be noticeable there will also be excessive wear in the main bearing area. This makes chudder worse and adds to the vibrations coming from the clutch basket in the higher rpm ranges.
WHAT MOTORCYCLES ARE EFFECTED
Suzuki SV 1000, all years. Kawasaki KLV 1000 ( rebadged DL 1000 Suzuki). Suzuki V Strom 1000-1050.
While Suzuki has made several changes in the clutch baskets over the years, they have NOT fixed the design weaknesses that contribute to the wear that causes chudder. There was some talk that the "new" 2014 DL 1000 had an updated clutch basket that would not degrade. That has proven to be false.
CHUDDER TEST
While riding through the 2500-4000 rpm range, lightly feather the clutch lever. Just enough to load the pressure plate, but not enough to cause the rpms to flare up and the clutch slip. Do this while pulling away from a stop or turning onto an entrance ramp where you would normally be feeling some vibrations in the 2500-4000 rpm range as you accelerate through that range. If you feel the engine smooth out significantly, you can be sure the clutch basket is causing much of these vibrations!
**Feathering the clutch lever will always make the engine feel smoother even with a modified clutch basket. It is absorbing some of the power pulses when you do this. But there won't be very much difference with the modified basket whereas a worn one can be dramatic.**
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