BMW R65RT Mono (1985)

Technical Specifications
1985 BMW R65RT Mono
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
8.7:1
48 hp (35 KW) @ 7,250 rpm or 27 hp (20 Kw) @ 5500 rpm
47.8 Nm / 35 ft lb @ 3,500 rpm or 45.5 Nm / 33 ft lb @ 3,500 rpm
2 constant depression carburettors, Bing  64/32/359 -  64/32/360 or 64/26/317
5-speed; dog type gearbox (ratchet foot lever)
Cardan
Dry single plate, with lever action diaphragm spring
Contact free electronic ignition (Bosch)
Electrik 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

2175 mm (85.62 inches)
960 mm (37.79 inches)
1478 mm (58.18 inches)
1477 mm (56.96 inches)
807 mm (31.80 inches)
140 mm (5.51 inches)
205 kg
22 litres
Blue
Telescopic fork with hydraulic shock absorber
BMW Monolever swinging arm
90/90 R18 51 H or 90/90 R18 51 S
120/90 R18 65 H or 120/90 R18 65 S
Single disc brake 285 mm/11.22 in diameter. Brembo 2 piston caliper
Simplex drum brake 200 mm/7.87 in diameter

Image: http://www.bmbikes.co.uk/photopages/photosr65rtmono.htm
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