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ENGINE DESCRIPTION
The BMW D7 is a single-cylinder, four-stroke, direct-injection diesel engine. The engine
is equipped with a raw-water cooling system, fed by an impeller type pump driven by the
crankshaft. Electrical starting and charging systems are standard as is an automatic air
bleeder device in the fuel system.
Technical Data
Displacement 280cc 17.0 cu in
Stroke & Bore 67 x 73 mm 2.63 x 2.87 in
Max output at min
-1
(RPM) 4.5 kW / 3600 6 HP / 3600
Max torque at min
-1
(RPM) 11.7 Nm / 3300
1.2 kpm / 3300
8.7 lb ft / 3300
Compression Ratio 19:1
Weight, dry engine incl. Gearbox 68 kg 150 lb.
Gearbox reduction 2.7
Maximum engine inclination 15 deg
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