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- - Piston ID (http://www.gasgasrider.org/forum/showthread.php?t=23936)

vaughn

09-30-2018 06:47 PM

Piston ID

2 Attachment(s)

Finally to the ordering parts phase of my 1998 EC250 rebuild.

Anyone have any info on the current part number for the piston in the pictures? I'm pretty sure its a Wiseco from the small "w" in a circle on the underside, but the number H74L0 on the top of the piston has me perplexed.

Thanks!

(F5)	10-01-2018 12:26 AM

That's a wiseco W. 667 will be the model.. other number presumably the batch/grading size.

vaughn

10-01-2018 09:43 PM

Thanks F5, that makes sense.

I reached out to Wiseco to see if they have a current part number that crosses over.

vaughn

10-05-2018 10:16 PM

1 Attachment(s)

Ok had a chance to let this piston soak and found more info.

Wiseco 7542 66.33mm that clears it all up.

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