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clunks into gear and dies

 
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clunks into gear and dies
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jacklun



Joined: 29 Mar 2007
Posts: 20
Location: Portland, Oregon

Post clunks into gear and dies Reply with quote
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
Tue Jun 02, 2009 5:39 pm View user's profile Send private message
rufusswan



Joined: 29 Sep 2007
Posts: 1383
Location: Taneyville, Missouri

Post Reply with quote
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".

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Tue Jun 02, 2009 5:54 pm View user's profile Send private message Send e-mail Yahoo Messenger MSN Messenger
matty_x



Joined: 06 Apr 2007
Posts: 1048

Post Reply with quote
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.

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Tue Jun 02, 2009 8:49 pm View user's profile Send private message
jacklun



Joined: 29 Mar 2007
Posts: 20
Location: Portland, Oregon

Post Reply with quote
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
Wed Jun 03, 2009 1:00 am View user's profile Send private message
scootermike



Joined: 25 Mar 2007
Posts: 370
Location: portland,oregon

Post Reply with quote
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.
Wed Jun 03, 2009 4:59 am View user's profile Send private message Visit poster's website
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