Open main menu

BMW R 75/7



The BMW R 75/7 was a air-cooled, four-stroke, boxer twin cylinder, 2 valves per cylinder Classic motorcycle produced by BMW in 1976. Max torque was 42.78 ft/lbs (58.0 Nm) @ 5000 RPM. Claimed horsepower was 50.02 HP (37.3 KW) @ 6200 RPM.

BMW R 75/7
Manufacturer
BMW
Production 1976
Class Classic
Engine
air-cooled, four-stroke, boxer twin cylinder, 2 valves per cylinder
Bore / Stroke 81.3mm x 81.3mm
Compression ratio 9.0:1
Horsepower 50.02 HP (37.3 KW) @ 6200RPM
Torque 42.78 ft/lbs (58.0 Nm) @ 5000RPM
Transmission Gear box: 5-speed, manual

Final Drive: shaft

Clutch: dry, single plate
Suspension Front: telescopic fork
Rear: dual shocks
Brakes Front: single disc
Rear: 200mm drum
Front Tire 3.25-19
Rear Tire 4.00-18
Length 94.41 inches (2398 mm)
Width 68.11 inches (1730 mm)
Weight 215.0 kg (wet)
Manuals Service Manual

Contents

EngineEdit

A 81.3mm bore x 81.3mm stroke result in a displacement of just 745.0 cubic centimeters.

DriveEdit

The bike has a 5-speed, manual transmission. Power was moderated via the dry, single plate.

ChassisEdit

It came with a 3.25-19 front tire and a 4.00-18 rear tire. Stopping was achieved via single disc in the front and a 200mm drum in the rear. The front suspension was a telescopic fork while the rear was equipped with a dual shocks.

1976 - 1979 BMW R 75/7Edit

     

The 1976 BMW R 75/7 sports an air-cooled, four-stroke, 745cc, boxer twin cylinder powerhouse mated to a five-speed manual transmission, that can reach a maximum power output of 50 horsepower and 59 Nm of torque. Unlike its predecessor, the /7 borrows the fuel tank from the R 90S, and has redesigned rocker covers. In all other departments, it has the same features as the R 57/6.


In MediaEdit