Segment: Naked / Road
Production years: 1978, 1979
In 1978, BMW launched the R 65 model alongside the R 45 as a small entry-level motorcycle. The R 65 had a larger displacement of 650cc compared to the R 45 and generated an output of 45 hp.
The 1978 BMW R 65 was powered by a 649cc flat-twin engine with a power output of 45 hp at 7,250 rpm and 45 Nm (33 lb-ft) of torque at 6,000 rpm. It was coupled to a five-speed manual transmission that made it possible for the bike to reach a top speed of 175 kph (109 mph).
The 260 mm double disc brake on the front and 200 mm drum brake on the rear handled the bike's stopping power.
Fitted from the factory, the model came with features such as laced wheels, a dual exhaust system, a dual seat, analog dials, wide handlebars, a large-capacity 22-liter (5.8-gallon) fuel tank, and a center stand.
A good contribution to the popularity of the R 65 was the revised model in 1981, with the power output increased to 50 hp, a low-weight and stable chassis that resulted in good handling and agility.
In 1985, the small series of the R65 and R45 were removed from the BMW product range due to the complex construction of the models that was more expensive than they expected.
engine specs | Type: | air-cooled, four-stroke, boxer twin cylinder, 2 valves per cylinder | Displacement: | 649 cm3 | Bore X Stroke: | 3.2x2.4 in OR 81 mm | Compression Ratio: | 8.4:1 | Horsepower: | 45/7250 KW(hp)/RPM | Torque: | 33/6000 lb-ft/RPM OR 45/6000 Nm/RPM | Fuel System: | 2xBing carburetors |
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transmission specs | Gearbox: | 5-speed, manual | Clutch: | dry, single plate | Primary Drive: | - | Final Drive: | shaft |
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chassis specs | Frame: | steel | Front Suspension: | telescopic fork | Rear Suspension: | dual shocks | Front Brake: | dual 260mm discs, 2-piston calipers | Rear Brake: | 200mm drum |
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dimension specs | Overall Length: | 87 in OR 2210 mm | Overall Width: | 27 in OR 686 mm | Seat Height: | - | Wheelbase: | 55.11 in OR 1400 mm | Ground Clearance: | 5.11 in OR 130 mm | Weight: | 432 lbs OR 196 kg | Fuel Capacity: | 5.81 gallons OR 22.0 L |
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tyres specs | Front: | 3.25x18 | Rear: | 4.00x18 |
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