Yamaha BWs NG Specs (Top Speed | Horsepower | Weight)

The Yamaha BWs NG motorcycle specifications include a 49.2 cc (3.00 cu in) engine, an automatic gearbox, and a listed weight of 83 kg (183 lb).

Key specifications

2009Year released
49 ccDisplacement
4.0 Nm @ 5,000 rpmTorque
83 kgWet weight
803 mmSeat height
6.5 LFuel tank
153 mmGround clearance

How the Yamaha BWs NG compares

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

Displacement49 cc
Low 49 ccAverage 550 ccHigh 1,852 cc

About 91% lower than the Yamaha database average. Around the 7th percentile across Yamaha models.

Wet weight83 kg
Low 72.1 kgAverage 186.3 kgHigh 348.7 kg

About 55% lighter than the Yamaha database average. Around the 5th percentile across Yamaha models.

Seat height803 mm
Low 635 mmAverage 793 mmHigh 989 mm

Very close to the Yamaha database average. Around the 58th percentile across Yamaha models.

Fuel capacity6.5 L
Low 4 LAverage 13 LHigh 24 L

About 50% smaller than the Yamaha database average. Around the 16th percentile across Yamaha models.

This model Yamaha database average

Yamaha database percentile rankings

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

Displacement7th

49 cc — larger displacement than about 7% of Yamaha models.

Wet weight5th

83 kg — heavier than about 5% of Yamaha models, or lighter than about 95%.

Seat height58th

803 mm — taller than about 58% of Yamaha models.

Fuel capacity16th

6.5 L — larger than about 16% of Yamaha fuel tanks in this database.

Dimensions compared with Yamaha average

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

Overall length1,746 mm
This bike

1,746

Yamaha avg

2,082

16% below average.

Overall width675 mm
This bike

675

Yamaha avg

823

18% below average.

Overall height1,120 mm
This bike

1,120

Yamaha avg

1,172

4% below average.

Seat height803 mm
This bike

803

Yamaha avg

793

Close to average.

Ground clearance153 mm
This bike

153

Yamaha avg

181

15% below average.

Mechanical overview

Engine layout snapshot

Single cylinder, two-stroke • 49 cc • Air cooled
Chassis snapshot

Seat 803 mmClearance 153 mm
Automatic • Belt (final drive) • 120/90-10 front / 130/90-10 rear

Additional useful specifications

Front tire size 120/90-10
Rear tire size 130/90-10
Front tire width 120 mm
Front tire aspect ratio 90%
Front rim diameter 10 in
Rear tire width 130 mm
Rear tire aspect ratio 90%
Rear rim diameter 10 in
Bore/stroke ratio 1.02:1 (Square)

Model information

Year released 2009

Engine specifications

Engine type Single cylinder, two-stroke
Displacement 49.2 cc (3.00 cu in)
Torque 4.0 Nm (0.4 kgf-m or 3.0 ft.lbs) @ 5,000 rpm
Bore × stroke 40.0 x 39.2 mm (1.6 x 1.5 inches)
Compression ratio 11.2:1
Cooling system Air
Fuel system Carburettor
Ignition CDI
Starter Electric & kick
Lubrication Separate lubrication

Transmission and drivetrain

Gearbox Automatic
Final drive Belt (final drive)

Chassis and suspension

Front suspension Telescopic fork
Rear suspension Unit swing

Brakes, wheels and tires

Front brakes Single disc
Rear brakes Expanding brake (drum brake)
Front tire 120/90-10
Rear tire 130/90-10

Dimensions and weight

Wet weight 83 kg (183 lb)
Seat height 803 mm (31.6 inches)
Overall length 1,746 mm (68.7 inches)
Overall width 675 mm (26.6 inches)
Overall height 1,120 mm (44.1 inches)
Ground clearance 153 mm (6.0 inches)

Fuel and emissions

Fuel capacity 6.50 L (1.72 US gal)

Other specifications

Comments NG is an abbreviation of Next Generation

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 Yamaha models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Yamaha information before relying on them. Visit the official Yamaha website.