|BMW R 90/6|
air-cooled, four-stroke, two cylinder boxer, 2 valves per cylinder
|Bore / Stroke||88.9mm x 88.9mm|
|Horsepower||59.94 HP (44.7 KW) @ 6500RPM|
|Torque||53.84 ft/lbs (73.0 Nm) @ 5500RPM|
|Spark Plug||NGK BP6ES|
|Transmission||Gear box: 5-speed, manual
Final Drive: shaft
|Suspension||Front: telescopic hydraulic fork
Rear: dual adjustable shocks
|Brakes||Front: single 260mm disc, 1-piston caliper
Rear: 200mm drum
|Wheelbase||57.6 inches (1463 mm)|
|Length||85.79 inches (2179 mm)|
|Width||29.09 inches (739 mm)|
|Seat Height||31.89 inches (810 mm)|
|Weight||210.0 kg (wet)|
The BMW R 90/6 was a air-cooled, four-stroke, two cylinder boxer, 2 valves per cylinder Naked motorcycle produced by BMW in 1973. Max torque was 53.84 ft/lbs (73.0 Nm) @ 5500 RPM. Claimed horsepower was 59.94 HP (44.7 KW) @ 6500 RPM.
The bike has a 5-speed, manual transmission. Power was moderated via the dry, single plate, diaphragm spring.
It came with a 3.25 - H19 front tire and a 4.00 - H18 rear tire. Stopping was achieved via single 260mm disc, 1-piston caliper in the front and a 200mm drum in the rear. The front suspension was a telescopic hydraulic fork while the rear was equipped with a dual adjustable shocks. The wheelbase was 57.6 inches (1463 mm) long.
1973 - 1976 BMW R 90/6
The 1973 BMW R 90/6 has, at its heart, an air-cooled, four-stroke, 898cc, two cylinder boxer powerhouse paired to a five-speed manual transmission that can reach a maximum power output of 60 horsepower and 73 Nm of torque.
In addition, it boasts standard fittings such as a telescopic hydraulic front fork, dual shock absorbers as a rear suspension, a front disc brake coupled to a drum rear unit, a dual seat with pillion grab rails, a large, round headlight, laced wheels, a dual exhaust system and an analogue instrument cluster.