BMW R65GS (1987)

Technical Specifications
1987 BMW R65GS
Engine
Engine type
Bore x Stroke
Displacement
Valves
Compression ratio
Max Power
Max Torque
Fuel system
Transmission
Final drive
Clutch
Ignition type
Starting system
Lubrication
Exhaust
Spark plug
Battery
Gear ratios

Air-cooled, four-stroke two cylinder horizontally opposed "Boxer" engine
82.0 x 61.5 mm (3.22 x 2.42 inches)
649.6 cc
2 valves per cylinder; OHV, using push rod and rocker arm
8.4:1
27 hp (20 KW) @ 5,500 rpm
43 Nm 31 ft lb @ 3,500 rpm
2 constant depression carburettors, Bing  64/26/317 -  64/26/318
5-speed; dog type gearbox (ratchet foot lever)
Cardan
Dry single plate, with lever action diaphragm spring
Contact free electronic ignition (Bosch)
Kick starter
Wet sump

Bosch W 7 DC / Beru 14-7 DU/ Champion N9YC
6 volt 12 amp hour
Dimensions
Frame type
Castor
Overall length
Overall width
Overall height
Wheelbase
Seat height
Ground clearance
Dry weight
Fuel capacity
Colors
Suspension (front)
Suspension (rear)
Tyre (front)
Tyre (rear)
Brake (front)
Brake (rear)

Double loop tubular frame with bolt on rear section

2230 mm (87.79 inches)
820 mm (32.28 inches)
1150 mm (45.27 inches)
1465mm (57.67 inches)
850 mm (33.50 inches)
218 mm (8.58 inches)
198 kg
19.5 litres
White
Telescopic fork with hydraulic shock absorber
BMW Monolever swinging arm
3.00 x 21 48 R
4.00 x 18 64 R
Single disc brake 260 mm  / 10.23 in diameter. Brembo 2 piston caliper
Simplex drum brake 200 mm / 7.87 in diameter

Image: http://www.verrill.com/moto/bmwchron/r65gs.html
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