BMW R37 Specs (Top Speed | Horsepower | Weight)

The BMW R37 motorcycle specifications include a 494 cc (30.14 cu in) engine, a 3-speed gearbox, and a listed weight of 134 kg (295.4 lb).

Key specifications

1925-1926Model years
494 ccDisplacement
134 kgWet weight
14 LFuel tank
1,380 mmWheelbase
Model years covered
19251926

Year-specific specification changes

No material specification changes from the 1925 baseline were found in the available data.

How the BMW R37 compares

This compares the motorcycle with all BMW models in this specifications database. The blue marker is this model and the grey line is the BMW database average.

Displacement494 cc
Low 247 ccAverage 909 ccHigh 1,649 cc

About 46% lower than the BMW database average. Around the 13th percentile across BMW models.

Wet weight134 kg
Low 130 kgAverage 226.7 kgHigh 364 kg

About 41% lighter than the BMW database average. Around the 3rd percentile across BMW models.

Fuel capacity14 L
Low 9.8 LAverage 19.2 LHigh 30 L

About 27% smaller than the BMW database average. Around the 15th percentile across BMW models.

This model BMW database average

BMW database percentile rankings

Percentiles show where this motorcycle sits across the BMW specifications database. They are descriptive database rankings, not performance ratings.

Displacement13th

494 cc — larger displacement than about 13% of BMW models.

Wet weight3rd

134 kg — heavier than about 3% of BMW models, or lighter than about 97%.

Fuel capacity15th

14 L — larger than about 15% of BMW fuel tanks in this database.

Dimensions compared with BMW average

Each measurement is compared with the average value across BMW models where that dimension is available.

Overall length2,100 mm
This bike

2,100

BMW avg

2,193

4% below average.

Overall width800 mm
This bike

800

BMW avg

877

9% below average.

Overall height950 mm
This bike

950

BMW avg

1,199

21% below average.

Wheelbase1,380 mm
This bike

1,380

BMW avg

1,497

8% below average.

Mechanical overview

Engine layout snapshot

Two cylinder boxer, four-stroke • 494 cc • Air cooled
Chassis snapshot

Wheelbase 1,380 mm
3-speed • Shaft drive (cardan) (final drive) • 2.99-26 front / 2.99-26 rear

Additional useful specifications

Front tire size 2.99-26
Rear tire size 2.99-26
Estimated theoretical fuel range 350 km
Bore/stroke ratio 1.00:1 (Square)

Model information

Category Allround

Engine specifications

Engine type Two cylinder boxer, four-stroke
Displacement 494 cc (30.14 cu in)
Bore × stroke 68.0 x 68 mm (2.7 x 2.7 inches)
Compression ratio 6.2:1
Cooling system Air
Fuel system Carburettor. 26mm
Fuel control Overhead Valves (OHV)
Ignition Bosh magento
Starter Kick
Lubrication Wet sump

Transmission and drivetrain

Gearbox 3-speed
Final drive Shaft drive (cardan) (final drive)
Clutch Single plate dry-cable operated

Chassis and suspension

Frame Steel doble cradle
Front suspension Leading link
Rear suspension Rigid

Brakes, wheels and tires

Front brakes Expanding brake (drum brake)
Front tire 2.99-26
Rear tire 2.99-26

Dimensions and weight

Wet weight 134 kg (295.4 lb)
Overall length 2,100 mm (82.7 inches)
Overall width 800 mm (31.5 inches)
Overall height 950 mm (37.4 inches)
Wheelbase 1,380 mm (54.3 inches)

Fuel and emissions

Fuel capacity 14.00 L (3.70 US gal)
Fuel consumption 4.00 L/100 km (25.0 km/l or 58.81 mpg)
Greenhouse gases 92.8 CO 2 g/km. (CO2 – Carbon dioxide emission)

Performance

Top speed 115.0 km/h (71.5 mph)

Other specifications

Seat Solo seat with springs

Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from BMW models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official BMW information before relying on them. Visit the official BMW website.