Cylinder kit from Metrakit from the SP3 series with 70cc and 47.6mm bore made of aluminum suitable for Minarelli AM6 engines. The cylinder kit comes with cylinder head, gaskets, piston set (12mm piston pin) and water connection piece.
The mid-race cylinder from Metrakit impresses with optimized exhaust ports and boosters. The SP 3 version offers 5 larger transfer ports for more torque and speed.
Dimensions:
Displacement: 70ccm
Bore: 47.6mm
Piston pin: 12mm
Piston rings: 1
Excess flow channels: 5
Connecting rod length: 85mm (original)
The mid-race cylinder from Metrakit impresses with optimized exhaust ports and boosters. The SP 3 version offers 5 larger transfer ports for more torque and speed.
Dimensions:
Displacement: 70ccm
Bore: 47.6mm
Piston pin: 12mm
Piston rings: 1
Excess flow channels: 5
Connecting rod length: 85mm (original)
