User Guide

11.5
11
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) 0.030...0.070 (0.0012...0.0028)
Wear limit mm (in) 0.10 (0.004)
Wear limit, main bearing bore diameter mm (in) 46.08 (1.81)
Wear limit
Main bearing diameter mm (in) 47.97 (1.9)
Bearing play mm (in) 0.10 (0.004)
Runout at crankpin
Clutch side mm (in) 0.03 (0.0012)
Magnet side mm (in) 0.05 (0.002)
Connecting rod
Wear limit, connecting rod
Radial clearance
Big-end bore mm (in) 0.08 (0.031)
Small-end bore mm (in) 0.05 (0.002)