Technical DataDisplacement: 3,49cc / 0.213 cu.in.Bore: 15,94 mmStroke: 17,50 mmWeight: 350 gr.Head Diam. : 59,50 mmOperating range: 4.000 – 45.000 rpmVacuum high pression injected CrankcaseLightened Crankshaft5 Ports cilinder with antifriction HCP coatingSinterized alloy pistonRear Steel Ball BearingTriple adjustment Carburettor with Interchangeable venturi