Powerful sport cylinder kit with 50cc and 40mm bore, nickel-silicon carbide coating and 1-ring racing piston. The original cylinder head can be used here further!
Bore: 40mm
14mm gudgeon pin
Round manifold plug connection: 32mm
Angled intake manifold connection with 45mm mounting hole spacing.
Stud spacing: 44mm
External dimensions: 180mm x 160mm