Yamaha Vertical Minarelli Stage6 Streetrace 40mm 50cc Cylinder Kit aprilia This is not original CEV

This is not original CEV

Special note- these only come with what is pictured

Original Tomos part number 233

ht coil and a new cam

Comes with a very large matching head to keep this kit cool

Yamaha Vertical Minarelli Stage6 Streetrace 40mm 50cc Cylinder Kit aprilia This is not original CEVStage6 Streetrace 40mm 50cc cylinder kit for Vertical Minarelli scooter engines. These were commonly found on early pre bug type Yamaha Zuma, BW'S, MBK Booster, etc. Very nice looking cast iron kit. Stage6 claims these are good for 7 or so horsepower when paired with a 17mm carburetor and sport touring type exhaust. 2 ring piston with stock style 10mm wrist pin. Comes with cylinder, piston, rings, pin clips, head, base gasket and o ring for head.