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jacklun
Joined: 29 Mar 2007 Posts: 20 Location: Portland, Oregon |
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clunks into gear and dies |
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Hey,
Recently my Chetak dies immediately after shifting into 1st gear. It dies with a lurch forward and quite a "clunk". This only happens after starting and on the first shift. This will also happen if I choose 2nd gear, out of neutral. If I can successfully get it into gear; I'm good to go for the rest of the trip. Am I looking at a clutch adjustment? Let me know if anyone has had to deal with these actions.
Thank ye,
Jack
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| Tue Jun 02, 2009 5:39 pm |
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rufusswan

Joined: 29 Sep 2007 Posts: 1383 Location: Taneyville, Missouri |
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Yes, what you are experiencing is the difference between a wet and a dry clutch. Your wet clutch is made of several plates in an oil bath, not a big dry disk like in a car.
After you scoot has set and the clutch plates dry off (like overnight), mysterious quantum forces will suck the plates together. I think it might be a combo of surface tension and the Van der Walls effect. You don't notice this event until the 1st time you attempt to engage a gear, then 'clunk' the clutch plates have broken free.
Wake your scoot up in the morning by rolling or rocking it back and forth a few times before you start it. See if that cures the lurch. Mine always starts first time each day with a resounding "clunk".
_________________ "I see a big market for designer tin foil head gear..."
"Grow up and stop posting like a 14th Century Vatican Flat Earth Zealot." |
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| Tue Jun 02, 2009 5:54 pm |
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matty_x

Joined: 06 Apr 2007 Posts: 1048
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I concur with Rufus. Sounds like a dry clutch.
BUT, it never hurts to check your shifter and clutch cables to make sure they are properly tightened.
_________________ The "X" stands for ex-Chetak owner. |
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| Tue Jun 02, 2009 8:49 pm |
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jacklun
Joined: 29 Mar 2007 Posts: 20 Location: Portland, Oregon |
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Thanks for the responses, guys. This clunk we speak of used to be acceptable. Now it's so bad that the engine dies with a drastic jolt. A few restarts and the engagement succeeds. I'll try the rockin'-rollin' thing. But, why would we want to hump our rides in such ways everytime? Are there any solutions to resolve this condition?
Thanks again.
Jack
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| Wed Jun 03, 2009 1:00 am |
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scootermike

Joined: 25 Mar 2007 Posts: 370 Location: portland,oregon |
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i would check my clutch adjustment, I to have experienced the dry clutch thing but it usually happens in the winter. Ive never experienced this in 75-80 degree weather, have you changed the type oil you are using? some shouldnt be used with a wet clutch.
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| Wed Jun 03, 2009 4:59 am |
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