Mbike - Catalogue. Community. Map.
Catalogue. Community. Map.
BMW R42 
1928
Air cooled, 494cc, Boxer, OHV
| Power: | 11.96 HP (8.8 kW) @ 3400 rpm |
| Final drive: | Shaft |
| Top speed: | 59.03 mph |
| Curb weight: | 277.8 lbs |
| Category: | Classic |
| Tags: | All-rounder, Classic bike |
|
Engine and transmission
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|
| Engine type: | 2 cylinders, 4-stroke, Boxer |
| Displacement: | 494 cc (30.18 cubic inches) |
| Bore × stroke: | 2.68 inch × 2.68 inch (square) |
| Cooling system: | Air cooled |
| Power: | 11.96 HP (8.8 kW) @ 3400 rpm |
| Throttle: | Cable operated |
| Valves | |
| Valve train: | OHV, variable |
| Valves per cylinder: | 2 |
| Fuel and ignition | |
| Sparks per cylinder: | 1 |
| Fuel supply system: | Carburetor |
| Funnel diameter: | 0.87 inch |
| Compression: | 4.9:1 |
| Engine mounting: | Longitudinal |
| Lubrication system: | Wet sump |
| Gear box: | Manual 3-speed |
| Clutch: | Dry, single plate, cable operated |
| Final drive: | Shaft |
| Spark plug pipe type: | Bosch, W 175 |
| Starter: | Kick-starter |
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Dimensions
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|
| Physical measures | |
| Length: | 82.7 inch |
| Width: | 31.5 inch |
| Height: | 37.4 inch |
| Wheel base: | 55.5 inch |
| Weight | |
| Curb weight: | 277.8 lbs |
|
Chassis and suspension
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|
| Frame type: | steel, Double cradle frame |
| Front | |
| Suspension: | Leading link |
| Brake: | Single Drum, Ø5.91 inch |
| Tire: | 3.5 × 26 |
| Rear | |
| Tire: | 89 / R26 |
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Other
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|
| ABS available: | No |
| Power-to-weight ratio: | 0.07 KW/lbs (14.32 lbs/HP) |
| Top speed: | 59.03 mph |
| Fuel capacity: | 3.7 gals |
| Number of riders: | 2 persons |
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