Replacement piston

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Aug 29, 2002
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#1
Intend on fitting a new piston to my kdx 220.Would appreciate any feedback on the best option with piston selection.Thanks.
 

Houndog

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Oct 11, 2002
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#2
Wiseco for sure, there are some post about cracked skirts on the OEM 220 pistons. Some have 'detonated' causing alot of damage.
 

Canadian Dave

Super Power AssClown
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Apr 28, 1999
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#3
I'd certainly be looking at the Wiseco over the Pro-X piston. Why you ask. . . . Pro-X sells surplus original manufacture pistons that they measure for size and rebox. The stock KDX220 piston has known problems, the Pro-X will to.

David
 

shr

Uhhh...
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Apr 8, 2002
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#4
Excuse me BUT! Pro-X pistons are NOT!!!!! surplus original manufacture pistons!
 
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#5
the local supplier made a similar reference to some pro x pistons can infact be oem.I think I will go for the safe option.Thanks for the input.
 

Braahp

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Jan 20, 2001
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#6
I'd take a Pro X or oem over Wiseco anyday. Cast is best. Wiseco will expand a little more. You have to set the bore up a little looser to compensate.