11 11.5 Technical Data 11 Engine F 650 CS Engine, general Type Single-cylinder four-stroke, double overhead cam- shafts driven by roller chain, 4 valves operated by bucket tappets, balancing shaft, liquid-cooled cylin- der and cylinder head, integral water pump, 5-speed gearbox and dry sump lubrication. Cylinder bore mm (in) 100 (3.94) Stroke mm (in) 83.0 (3.27) Displacement cc 652 Compression ratio 11.5 : 1 Power output kW 37 at 6800 rpm/25 at 6500 rpm Max. torque Nm 62 at 5500 rpm/50 at 3500 rpm Idle speed rpm 1400 Max. continuous engine speed rpm 7,000 Max.
engine speed rpm 7500 Crankshaft (main) bearings Plain bearing Engine lubrication Dry sump, with oil pump Cylinder Light alloy, “Nikasil” coated Piston Cast aluminium with 3 rings Oil filter Full-flow type Oil pump 2 trochoid pumps, driven by primary drive Oil capacity l (Imp. pints/US quarts) 2.5 (4.4/2.64) Oil pressure (idle speed) bar (psi) Š 0.5 (7.11) (oil temperature 80 °C/176 °F) Permissible oil consumption l/100 km (miles per Imp.
pint/ miles per US quart 0.1 (0.176/0.1057) Crank gear Main bearing play Installed dimension mm (in) Wear limit mm (in) 0.030...0.070 (0.0012...0.0028) 0.10 (0.004) Wear limit, main bearing bore diameter mm (in) 46.08 (1.81) Wear limit Main bearing diameter mm (in) Bearing play mm (in) 47.97 (1.9) 0.10 (0.004) Runout at crankpin Clutch side mm (in) Magnet side mm (in) 0.03 (0.0012) 0.05 (0.002) Connecting rod Wear limit, connecting rod Radial clearance Big-end bore mm (in) Small-end bore mm (in) 0.08 (0.031) 0.05 (0.002)