YZ125 BIG BORE CYLINDERS Size:124cc These aftermarket powervalves are designed

These aftermarket powervalves are designed to be replacements for any YZ295 converted from original like EGR

WOSSNER with boost port $195 323 grams and crown cut for stock head

The exhaust port height is 28mm and the transfer port height is 42

144cc $550

YZ125 BIG BORE CYLINDERS Size:124cc These aftermarket powervalves are designedPORTED AFTERMARKET CYLINDERS for 2005 21 YZ125,134,144 $350 $550 USPS PRIORITY MAIL INCLUDED! These aftermarket cylinders are designed by Eric Gorr for better reliability over original cylinders. Special design consideration was given to the exhaust bridge area on the small bores and porting on the big bores. Longevity is all about casting design and tooling. These cylinders don't have stress risers around the exhaust port like a OE Yami cylinder so