Difference between revisions of "BMW R 90/6"
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{{Motorcycle | {{Motorcycle | ||
|name = | |name = BMW R 90/6 | ||
|photo=bmw-r-906-1973-1976-2.jpg | |photo=bmw-r-906-1973-1976-2.jpg | ||
|aka = | |aka = | ||
|manufacturer = | |manufacturer = BMW | ||
|parent_company = | |parent_company = | ||
|production = 1973 | |production = 1973 | ||
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|predecessor = | |predecessor = | ||
|successor = | |successor = | ||
|class = | |class = Naked | ||
|engine = air-cooled, four-stroke, two cylinder boxer, 2 valves per cylinder | |engine = air-cooled, four-stroke, two cylinder boxer, 2 valves per cylinder | ||
|bore_stroke = 88.9mm x 88.9mm | |bore_stroke = 88.9mm x 88.9mm |
Revision as of 20:28, 23 November 2019
BMW R 90/6 | |
Manufacturer | |
---|---|
Production | 1973 |
Class | Naked |
Engine | air-cooled, four-stroke, two cylinder boxer, 2 valves per cylinder |
Bore / Stroke | 88.9mm x 88.9mm |
Compression ratio | 9.0:1 |
Horsepower | 59.94 HP (44.7 KW) @ 6500RPM |
Torque | 53.84 ft/lbs (73.0 Nm) @ 5500RPM |
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 |
Front Tire | 3.25 - H19 |
Rear Tire | 4.00 - H18 |
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) |
Manuals | Service Manual |
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.
Engine
A 88.9mm bore x 88.9mm stroke result in a displacement of just 898.0 cubic centimeters.
Drive
The bike has a 5-speed, manual transmission. Power was moderated via the dry, single plate, diaphragm spring.
Chassis
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.