Piston ID

[vaughn]

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)]

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

 

[vaughn]

Thanks F5, that makes sense.

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

 

[vaughn]

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

Wiseco 7542 66.33mm that clears it all up.