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UltimateSpecs.com   Cars Motorcycles
Motorcycles Specs > Yamaha > Yamaha BWs 12inch

Yamaha BWs 12inch Specs

The Yamaha BWs 12inch model is a Scooter bike manufactured by Yamaha . In this version sold from year 2008 , the dry weight is 75.0 kg (165.3 pounds) and it is equiped with a Single cylinder, two-stroke motor. The engine produces a maximum peak output power of 3.21 HP (2.3 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 12inch 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 12inch have a - frame with front suspension being Hydraulic and telescopic fork and in the rear suspension it is equiped with Hydraulic unit swing . Stock tire sizes are 120/70-12 on the front, and 130/70-12 on the rear. As for stopping power, the Yamaha BWs 12inch 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 12inch General Information

Brand Yamaha 
Model Yamaha BWs 12inch 
Year 2008 
Year 2008 
Category Scooter 
Factory Warranty (Years / miles)  

Yamaha BWs 12inch Dimensions, Aerodynamics and weight

Frame type
Seat details  
Wheelbase 1,172 mm (46.1 inches) 
Length 1,685 mm (66.3 inches) 
Width 690 mm (27.2 inches) 
Height 1,052 mm (41.4 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 120/70-12 
Rear Tyres - Rims dimensions 130/70-12 
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)  
Dry Weight 75.0 kg (165.3 pounds) 
Front Percentage of Weight  
Rear Percentage of Weight  
Weight-Power Output Ratio : 0.0428 HP/kg 
Fuel Tank Capacity 5.30 litres (1.40 gallons) 
Reserve Fuel Capacity  
Carrying Details and Capacity  
Front Suspension Hydraulic and telescopic fork 
Front Suspension Travel  
Rear Suspension Hydraulic unit swing 
Rear Suspension Travel  

Yamaha BWs 12inch Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, two-stroke 
Engine details  
Fuel system  
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  
Maximum power - Output - Horsepower 3.21 HP (2.3 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 Wet sump 
Engine oil capacity  
Exhaust system  
Gearbox  
Transmission type, final drive ratio  
Clutch type  
Driveline  

Yamaha BWs 12inch 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 12inch Electrical Systems, Ignition and Equipment

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