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Unread 03-20-2020, 06:59 PM   #1
Bbeads32
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Default Comet clutch help Yamaha g2

Bought a g2 that was sitting for awhile. New belts. But has a jerky start. Took front clutch apart due to it having to rev high before it engages the belt. Which leads to the jerk on the start. I know nothing about this clutch. I have read some things on here about them but I canít get the outside cover off to even look at the weights or pucks. Any help would be great!
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Unread 03-20-2020, 07:59 PM   #2
Skoal82
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Default Re: Comet clutch help Yamaha g2

Is this clutch on the stock Yamaha engine?
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Unread 03-20-2020, 08:23 PM   #3
Bbeads32
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Default Re: Comet clutch help Yamaha g2

Yes it is
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Unread 03-20-2020, 09:27 PM   #4
Field6565
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Default Re: Comet clutch help Yamaha g2

That's a 94c Duster. It's completely tunable. Different springs and weight combinations will change the engagement and also shift rate. To get the cover off you'll need to put a bolt or puller in the threads. I believe it's a 9/16 X 20 thread. Hold the clutch in your left hand with your hand in between the sheaves and smack the bolt and it'll come apart. There should be a silver spring in there along with 9 weights.....7/8 weight. Should result in a 1500 rpm engagement. It's possible that the clutch could need a good cleaning.
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Unread 03-20-2020, 09:48 PM   #5
Bbeads32
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Default Re: Comet clutch help Yamaha g2

Is it worth all the tunning on it? Or just go oem stock?
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Unread 03-21-2020, 01:01 AM   #6
jclark138
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Default Re: Comet clutch help Yamaha g2

I have had good outcome getting the engagement where I wanted - fairly early ( low rpm) . Somewhere here is a name and phone number of a guy who worked at Comet, and is now with their successor. But I have little luck searching the site
Hereís something to maybe get the juices flowiní
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Unread 03-21-2020, 05:04 AM   #7
Field6565
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Default Re: Comet clutch help Yamaha g2

Quote:
Originally Posted by Bbeads32 View Post
Is it worth all the tunning on it? Or just go oem stock?
For your application leave it stock. I'd open it up to confirm the weights and color of the spring. Then make sure it's clean and put it back together.
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Unread 03-21-2020, 07:42 AM   #8
Bbeads32
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Default Re: Comet clutch help Yamaha g2

Thank you to everyone! Iím hopefully going to be able to get it apart today and see what it looks like. Then go from there. If I choose to just go oem stock is this clutch worth anything?
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Unread 03-21-2020, 08:27 AM   #9
Bbeads32
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Default Re: Comet clutch help Yamaha g2

Got it apart!!! Now what haha some surface rust on spring and shaft Iím going to clean up but other then that itís pretty clean. Does it stick off the start cause the weight is to much for stock?
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Unread 03-21-2020, 08:43 AM   #10
Field6565
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Default Re: Comet clutch help Yamaha g2

Quote:
Originally Posted by Bbeads32 View Post
Thank you to everyone! Iím hopefully going to be able to get it apart today and see what it looks like. Then go from there. If I choose to just go oem stock is this clutch worth anything?
This clutch is probably the original factory clutch. I'm guessing Yamaha used these for a period of time in their production. It should already be tuned for your cart. I believe it came with a 1550 rpm engagement. You'll need to remove the spring and clean the shaft up. Also clean inside the bushing on ths side with the weights. Then put a thin layer of grease on both. This clutch came with the dust cover correct?
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