BMW R11 Series 2 Specs (Top Speed | Horsepower | Weight)

The BMW R11 Series 2 motorcycle specifications include a 745 cc (45.46 cu in) engine, power of 18 hp (13.1 kW) @ 3,400 rpm, a 3-speed gearbox, and a listed weight of 162 kg (357.1 lb).

Key specifications

1930-1931Model years
745 ccDisplacement
18 hpPower
162 kgWet weight
14 LFuel tank
1,380 mmWheelbase
Model years covered
19301931

Year-specific specification changes

No material specification changes from the 1930 baseline were found in the available data.

How the BMW R11 Series 2 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.

Engine power18 hp
Low 12 hpAverage 81.6 hpHigh 193 hp

About 78% lower than the BMW database average. Around the 8th percentile across BMW models.

Displacement745 cc
Low 247 ccAverage 909 ccHigh 1,649 cc

About 18% lower than the BMW database average. Around the 34th percentile across BMW models.

Wet weight162 kg
Low 130 kgAverage 226.7 kgHigh 364 kg

About 29% lighter than the BMW database average. Around the 10th 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.

Engine power8th

18 hp — more powerful than about 8% of BMW models with power data.

Displacement34th

745 cc — larger displacement than about 34% of BMW models.

Wet weight10th

162 kg — heavier than about 10% of BMW models, or lighter than about 90%.

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 width890 mm
This bike

890

BMW avg

877

Close to average.

Overall height940 mm
This bike

940

BMW avg

1,199

22% 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 • 745 cc • Air cooled • 18 hp
Chassis snapshot

Wheelbase 1,380 mm
3-speed • Shaft drive (cardan) (final drive) • 3.25-26.00 front / 3.25-26.00 rear

Additional useful specifications

Front tire size 3.25-26.00
Rear tire size 3.25-26.00
Estimated theoretical fuel range 311 km
Power-to-weight ratio 0.111 hp/kg
Power-to-weight 111.1 hp/tonne
Specific power 24.2 hp/L
Bore/stroke ratio 1.00:1 (Square)

Engine specifications

Engine type Two cylinder boxer, four-stroke
Displacement 745 cc (45.46 cu in)
Power 18 hp (13.1 kW) @ 3,400 rpm
Bore × stroke 78.0 x 78 mm (3.1 x 3.1 inches)
Compression ratio 5.5:1
Cooling system Air
Fuel system Carburettor. BMW single 24mm
Fuel control Sidevalves
Ignition Magneto
Starter Kick
Lubrication Forced feed

Transmission and drivetrain

Gearbox 3-speed
Final drive Shaft drive (cardan) (final drive)
Clutch Two plates-dry

Chassis and suspension

Frame Steel-double cradlel
Front suspension Plate springe
Rear suspension Rigid

Brakes, wheels and tires

Front brakes Expanding brake (drum brake)
Front tire 3.25-26.00
Rear tire 3.25-26.00

Dimensions and weight

Wet weight 162 kg (357.1 lb)
Overall length 2,100 mm (82.7 inches)
Overall width 890 mm (35.0 inches)
Overall height 940 mm (37.0 inches)
Wheelbase 1,380 mm (54.3 inches)
Carrying capacity 210kg

Fuel and emissions

Fuel capacity 14.00 L (3.70 US gal)
Fuel consumption 4.50 L/100 km (22.2 km/l or 52.27 mpg)
Greenhouse gases 104.4 CO 2 g/km. (CO2 – Carbon dioxide emission)

Performance

Top speed 100.0 km/h (62.1 mph)

Other specifications

Seat Spring-mounted seat

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.