Technical Data
Displacement: 3,975cc / 0.242 cu.in.
Bore: 17,00 mm
Stroke: 17,50 mm
Weight: 350 gr.
Head Diam. : 59,50 mm
Operating range: 4.000 – 45.000 rpm
Vacuum high pression injected Crankcase
Lightened Crankshaft
6 Ports cilinder with antifriction HCP coating
Sinterized alloy piston
Rear Steel Ball Bearing
Double adjustment Carburettor with Interchangeable venturi