2002 cr 250 piton size

David_Darkes
My cylinder had been accurately measured at 66.3 mm, what size piston should I get?
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dkurtd
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dkurtd 3/12/2019 9:49am
3/12/2019 9:49am Edited Date/Time 3/12/2019 12:13pm
Must not be a standard bore as a stock bore is 66.4 mm. Has the cylinder been sleeved?
r18b
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r18b 3/12/2019 11:32am
3/12/2019 11:32am
David_Darkes wrote:
My cylinder had been accurately measured at 66.3 mm, what size piston should I get?
Are the pistons not,
66.34 is a A

66.35 is a B

66.36 is a C

66.37 is a D

In the past what i know Vertex did have a E and F

66.40 is the end of the cylinder.

So the person who did the messure don't know what he is doing otherwise he would have give you the right piston.

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