YZ125 BIG BORE CYLINDERS Size:124cc The exhaust port height is

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

NEW OE HONDA 1988-2001 cylinder head modified for compression ratio

Text or email Eric with your customized instructions like fuel type and riding conditions Text 1(630) 825-5645 or email mxericgorr@gmail

1989-1999 CR144 58MM $25

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

YZ125 BIG BORE CYLINDERS Size:124cc The exhaust port height isPORTED 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