The premium Wiseco piston and top end gasket kit are made for the rigors of off-road riding
They will run great on your motor but they are not as good as Keihin
Grizzly 450 YFM450 2007-2014
Genuine Cometic part
Aftermarket replacement for drive shaft bearing
Yamaha YZ250 YZ 250 Stock Top End Rebuild Kit Cylinder ProX Pro X Piston Cometic Yamaha Raptor 700 The premium Wiseco piston and20009,01. 2321. A,804M06640, 5CU 11631 00 A0, 5CU 11311 02 00, BR8ES, C3592,C7855,8216DA,01. 2321. B,01. 2321. C Get your dirt bike firing on all cylinders with the Yamaha YZ250 YZ 250 Top End Rebuild Kit. This complete top end overhaul breathes new life into your 2 stroke with upgraded performance parts ready to rip up the track. Cylinder, Piston, Gaskets, Spark Plug New Stock Bore 66. 4mm Nikasil plated cylinder maintains compression and cooling (1