Maintenance & Technical > KX500 Original

window piston on prox

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dave916:
is it ok to do the window mod on a Prox piston?
did a search but all the info seems to be related to wisco
thank in advance

BDI:
I wouldn't go cutting any big holes in a cast piston.

3Razors:

--- Quote from: BDI on June 08, 2010, 10:47:07 AM ---I wouldn't go cutting any big holes in a cast piston.

--- End quote ---

Yep X2

dave916:
so i will take that as a NO,  
a lot of the older 2 stroke cast piston used to have windows standard 
http://www.yambits.co.uk/catalog/product_info.php?products_id=313&osCsid=d8103f8df3a5347f34ee332849e16f09

cbxracer30:
What I learned from the bigbore pistons the big hole doesnt work but then again the hole doesnt have to be that big cut the length in half , also if you have somewhere on that side of the pond that does cryogenic treatment , I can't preach enough about how much stronger this process makes new metals & it also helps used parts to , just something to look into. CBX

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