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Author Topic: TY250B bore x stroke  (Read 1801 times)

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Offline JC

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TY250B bore x stroke
« on: November 19, 2008, 04:26:15 pm »
Can anyone tell me what the borexstroke is on the early TY250s?

I always tho't it was the usual 70x64mm, but was reading a DirtBike test last night which claimed it was 70.7x65.9mm. Seems wrong to me but I'm not that familiar w TYs.
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BWald

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Re: TY250B bore x stroke
« Reply #1 on: November 19, 2008, 05:07:35 pm »
From memory it is 70mm and goes up in .5mm oversizes
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Offline David Lahey

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Re: TY250B bore x stroke
« Reply #2 on: November 19, 2008, 07:57:39 pm »
Standard TY250ABCD is 70mm bore x 64mm stroke
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