72ccm Big Bore Kit for 12V Honda Monkey, Dax, Chaly, Gorilla und Replicas.
Cylinderhead:
Inlet valve: 23mm
Exhaust valve: 20mm
Inlet port: 20mm
Outlet port: 20mm
The cylinder head is "full" including valves, rocker arms, rocker arm shaft, double ball bearing camshaft (35 +32 mm bearings), camshaft sprocket, cylinder head cover.
The valves must be adjusted after installation.
Cylinder:
Steel cylinder
Bore: 47mm
Lengh: 63mm
72ccm mark on the cylinder
Piston:
Diameter: 47mm
Diamter piston pin: 13mm
The piston will supplied with all required rings and boltst.
Pleas Note: This Kit is for 12V engines.