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UltimateSpecs.com   Cars Motorcycles
Motorcycles Specs > Yamaha > Yamaha BWs

Yamaha BWs Specs

The Yamaha BWs model is a Scooter bike manufactured by Yamaha . In this version sold from year 2011 , the dry weight is  and it is equiped with a Single cylinder, two-stroke motor. The engine produces a maximum peak output power of 3.22 HP (2.4 kW) @ 6500 RPM and a maximum torque of 3.60 Nm (0.4 kgf-m or 2.7 ft.lbs) @ 6000 RPM . With this drive-train, the Yamaha BWs is capable of reaching a maximum top speed of  . Regarding the chassis characteristics, responsible for road holding, handling behaviour and ride confort, the Yamaha BWs have a Steel frame with front suspension being Telescopic fork and in the rear suspension it is equiped with Unit swing . Stock tire sizes are 120/90-10 on the front, and 150/80-10 on the rear. As for stopping power, the Yamaha BWs braking system includes Single disc size 180 mm (7.1 inches) at the front and Expanding brake (drum brake) size 110 mm (4.3 inches) at the rear. 

Yamaha BWs General Information

Brand Yamaha 
Model Yamaha BWs 
Year 2011 
Year 2011 
Category Scooter 
Factory Warranty (Years / miles)  

Yamaha BWs Dimensions, Aerodynamics and weight

Frame type Steel 
Seat details  
Wheelbase 1,172 mm (46.1 inches) 
Length 1,685 mm (66.3 inches) 
Width  
Height 1,049 mm (41.3 inches) 
Seat Height 768 mm (30.2 inches) If adjustable, lowest setting. 
Alternate Seat Height  
Ground Clearance 124 mm (4.9 inches) 
Trail size  
Wheels details  
Front Tyres - Rims dimensions 120/90-10 
Rear Tyres - Rims dimensions 150/80-10 
Front brakes Single disc 
Rear brakes Expanding brake (drum brake) 
Front Brakes Dimensions - Disc Dimensions 180 mm (7.1 inches) 
Rear Brakes Dimensions - Disc Dimensions 110 mm (4.3 inches) 
Curb Weight (including fluids) 82.0 kg (180.8 pounds) 
Dry Weight  
Front Percentage of Weight  
Rear Percentage of Weight  
Weight-Power Output Ratio :  
Fuel Tank Capacity 5.30 litres (1.40 gallons) 
Reserve Fuel Capacity  
Carrying Details and Capacity  
Front Suspension Telescopic fork 
Front Suspension Travel 70 mm (2.8 inches) 
Rear Suspension Unit swing 
Rear Suspension Travel 70 mm (2.8 inches) 

Yamaha BWs Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, two-stroke 
Engine details  
Fuel system Carburettor 
Engine size - Displacement - Engine capacity 49.20 ccm (3.00 cubic inches) 
Bore x Stroke 40.0 x 39.2 mm (1.6 x 1.5 inches) 
Compression Ratio 7.2:1 
Number of valves per cylinder  
Camshaft Valvetrain Configuration SOHC 
Maximum power - Output - Horsepower 3.22 HP (2.4 kW) @ 6500 RPM 
Maximum torque 3.60 Nm (0.4 kgf-m or 2.7 ft.lbs) @ 6000 RPM 
Engine Maximum RPM  
Cooling system Air 
Lubrication system Separate lubrication 
Engine oil capacity  
Exhaust system  
Gearbox Automatic 
Transmission type, final drive ratio Belt 
Clutch type  
Driveline  

Yamaha BWs Performance

Top Speed  
Acceleration 0 to 100 km/h (0 to 62 mph)  
Acceleration 0 to 400m (1/4 mile)  
Recuperation 60 to 140 km/h in highest gear  
Fuel Consumption - MPG - Economy - Efficiency  
CO2 emissions  
Emissions  

Yamaha BWs Electrical Systems, Ignition and Equipment

Ignition Type CDI 
Electrical Details  
Starter Type Electric & kick 
Instruments  
Lights