yfzut

Member
Sep 1, 2005
2
0
i have a 02 yz 426 in a 05 yfz450 chassis and i want to do a big bore and have the crank stroked but dont know who to do this. just need to beet the hopped up 450 quads.
 

SFO

LIFETIME SPONSOR
Feb 16, 2001
2,001
1
Big bore is as easy as clicking on the Eric Gorr icon on the left.
A stroke is not as common a upgrade.
To keep the current rod ratio a stroker plate and custom cam chain will be in order.
You can make mid 50~s with a well built 97mm motor.
This will give the other built 450s a good run.
Falicon will probably do an offset crank pin as well as powroll.
 

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