YZ295 POWERVALVES $200 This cylinder is a replacement

This cylinder is a replacement for top ends previously converted to a 134cc

Special design consideration was given to the exhaust bridge area on the small bores and porting on the big bores

Porting by Eric Gorr and plating by Millennium Technologies

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

YZ295 POWERVALVES $200 This cylinder is a replacementThe stock Yamaha YZ250 powervalve system works great until things wear out, and the asymmetric movement and impact energy of the powervalves opening and closing through 2 stages is brutal! These aftermarket powervalves are designed to be replacements for any YZ295 converted from original like EGR, MILLENNIUM, and MAX POWER or a kit cylinder like the ones offered by MAGNUM, CYLINDER WORKS, and ATHENA. Includes 1 center exhaust powervalve and the left