PW50 Big Bore Engine Kit


TOP END machine brand, completely new design & aluminum casted PW50 cylinder head. CNC machined for correct compression ratio and proper dome squish area. Spark plug hole is properly centered for correct ignition firing, unlike the standard stock PW50 offset spark plug.

Includes:  PW50 High Compression Cylinder head, piston, rings, spark plug, cylinder studs, head & base gasket , oil level block-off plug, clutch gasket,  and low ratio transmission gear

SKU: PW50 Big Bore 60cc Engine Kit Categories: , ,


PW50 Big Bore Engine Kit

PW50 Big Bore Engine Kit

60cc High Performance Engine Kit for the PW50

PWonly has been involved in Yamaha PW racing since it’s beginning and is still going strong by providing reliable race proven parts that offer better than OEM performance at a reasonable price. Extensive engineering goes into each PW50 & PW80 performance part to provide that extra push off the line for the professional racer or a little more top end for the weekend warrior.
PWonly private brand parts are carefully selected by our performance experts to meet our strict standards. From cranks and pistons to plastic kits and much more, PWOnly products are a great value in high performance and OEM replacement.

PWonly products offer customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in 50cc motocross riding and racing.

Additional information

Weight 6 lbs