BMW R 65 GS

BMW R 65 GS Date 1987 - 1992

Number sold 1.727

Price 9.450,- DM

Engine

Type four-stroke, two-cylinder, horizontally-opposed "Boxer" engine, air-cooled
Bore/stroke 82 x 61,5 mm
Cubic capacity 649,6 cm3
Max power 27 PS (20kW) at 5500 rpm
Max torque 43 Nm at 3500 rpm
Compression ratio 8,4 : 1
Valves per cylinder 2
Valve control ohv, using push rod and rocker arm
Carburation system 2 constant depression carburettors Bing V 64/32/317 - 318
Engine lubrication wet sump

Power transmission

Clutch dry single plate, with lever-action diaphragm spring
Number of gears 5
Gear selection dog-type gearbox (ratchet foot lever)
Gear ratios 4,4 / 2,86 / 2,07 / 1,67 / 1,50 :1
Rear wheel ratio 1 : 3,44
Bevel/crown wheel 9 : 31 teeth

Electrical system

Alternator Bosch 280 W
Ignition Contact-free electronic ignition (Bosch)
Starter Bosch 0,7 kW
Spark plugs W 7 DC / Beru 14 - 7 DU / Champion N 9 YC

Suspension

Type of frame double-loop tubular frame with bolt-on rear section
Front suspension telescopic fork with hydraulic shock absorber
Rear suspension BMW Monolever - swinging arm
Spring travel 200 / 170 mm
Rims front 1,85 x 21 WM
Rims rear 2,50 x 18 WM
Tyres front 3,00 - 21 48 R
Tyres rear 4,00 - 18 64 R
Brakes front single disc brake 260 mm
Brakes rear Simplex drum brake 200 mm

Dimensions and weights

Length x width x height 2230 x 820 x 1150 mm
Wheel base 1465 mm
Ground clearance 218 mm
Tank capacity 19,5 l
Unladen weight, full tank 198 kg
Max permissible weight 398 kg
Fuel consumption 5,0 l / 100 km (at constant 90 km/h)
Acceleration 0 - 100 km/h 9,4 s
Top speed 146 km/h

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