BMW - R 65 RT 86

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Bike Info

CC:
650
R 65 RT Parts and accessories

Service

Valve Clearance Cold - Exhaust:
0.20 mm
Valve Clearance Cold - Inlet:
0.10 mm

Brakes

Front:
Twin Disc
Rear:
Drum
Brake fluid:
DOT 3
Front Disc Size:
260 mm
Front-Pistons-per-caliper:
2
Rear Drum Size:
200 mm

Dimensions

Fuel Capacity:
22 litres
Ground Clearance:
130 mm
Seat Height:
810 mm
Wet Weight:
205 kg
Wheelbase:
1390 mm

Electrics

Voltage:
12v
Charging System:
Alternator - Bosch 280 W
Ignition:
Battery ignition. From 1981 model: Contact free electronic ignition
Spark Plugs:
NGK BP7ES

Engine

Type:
Air Cooled 4 Stroke SOHC Flat Twin
Bore x Stroke:
82 X 61.5 MM
Carburation:
2 constant depression carburettors, Bing 64/32/2030 - 64/32/2040 or 64/32/307 - 64/32/308
Compression Ratio:
9.2:1
Displacement:
649.6 cc
Lubrication System:
Wet sump
No. of Valves:
4
Valve Train:
OHV using push rod and rocker arm

Transmission

Clutch Type:
Dry single plate with diaphragm spring
Final Drive:
Shaft
Gearchange Pattern:
1 N 2 3 4 5
Gear Ratio 1st:
4.4:1
Gear Ratio 2nd:
2.86:1
Gear Ratio 3rd:
2.07:1
Gear Ratio 4th:
1.67:1
Gear Ratio 5th:
1.50:1
Transmission:
5 Speed

Misc.

Frame:
Double loop tubular frame with bolt on rear section
Motorcycle Style:
Tourer
Place of Manufacture:
Spandau - Berlin - Germany

Power

Max Power Output:
45 hp (33 Kw) at 7,250 rpm. From 1981 50 hp 37 Kw at 7,250
Max Torque:
50 Nm / 36 ft lb at 5,500 rpm. From 1981 model: 52.3 Nm / 38 ft lb at 6500 rpm
Top Speed:
approx. 108mph

Suspension

Front:
Telescopic fork with hydraulic shock absorber
Rear:
Long swinging arm with adjustable strut

Tyres

Front:
90/90-H18 Tubeless
Rear:
400-18 Tubeless

Wheels

Front:
1.85 B 18
Rear:
2.50 B 18