Vintage Dirt Bike Q & A

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It is currently Mon Dec 17, 2018 2:35 pm

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 Post subject: 1982 It250J ring help
PostPosted: Sat Nov 17, 2018 5:58 pm 
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Joined: Thu Aug 30, 2018 12:04 am
Posts: 4
I just bought some new rings.
1w5-11610-00

They are too thick
Original.040
New.046

Other than that they are the same dimensions.

The head checks out for the 250J.

Any help would be greatly appreciated.


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PostPosted: Sat Nov 17, 2018 7:03 pm 
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Joined: Thu Aug 30, 2018 12:04 am
Posts: 4
I'm guessing it's been bored out. There's a 20 stamped on the top of the piston, but the rings being the same diameter is throwing me off. And I can't find the stock piston size.


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PostPosted: Fri Dec 14, 2018 7:42 am 
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Joined: Sun Jul 22, 2012 6:03 pm
Posts: 53
Is the piston aftermarket?


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