Engine
Engine designSingle-cylinder four-stroke, double overhead cam-shafts driven by roller chain, 4 valves operated bybucket tappets, balancing shaft, liquid-cooled cyl-inder and cylinder head, integral water pump, 5-speed gearbox and dry sump lubrication.
Displacement652 cm3
Cylinder bore100 mm
Piston stroke83 mm
Compression ratio11.5:1
Nominal output37 kW, - at engine speed: 6500 min-1
with power reductionOA25 kW, - at engine speed: 5500 min-1
Torque60 Nm, - at engine speed: 4800 min-1
with power reductionOA51 Nm, - at engine speed: 4000 min-1
Maximum engine speedmax 7500 min-1
Idle speed1480 min-1
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zTechnical data