Manufacturer Product description
Reliable standard specification with increased power & torque throughout the entire range.
Includes cylinder head for optimized combustion chamber shape
High efficiency port shape, big valve, and high compp pistons suitable for each displacement, etc.
You can experience the power and torque of the entire range that is not comparing to normal.
■Compatible Models
Monkey / Gorilla: FNO,Z50J-100001-1323946 / FNO,Z50J-1323947-1510400
Ducks (ST50 6V): FNO,ST50-100001-629999 / FNO,ST50-6300022-6346265
Chally: FNO,CF50-100001-2899999
CD50: FNO, CD50-1100001-1330600
■Specifications
Aluminum cast iron sleeve cylinder
Displacement: 88cc
Bore diameter: φ2.0 inches (52 mm)
Stroke: 1.6 inches (41.4 mm) (normal).
Valve is included.
Piston: Casted