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

Yamaha Why Specs

The Yamaha Why model is a Scooter bike manufactured by Yamaha . In this version sold from year 2008 , the dry weight is 73.0 kg (160.9 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 3.50 Nm (0.4 kgf-m or 2.6 ft.lbs) @ 6250 RPM . With this drive-train, the Yamaha Why is capable of reaching a maximum top speed of  . Regarding the chassis characteristics, responsible for road holding, handling behaviour and ride confort, the Yamaha Why have a  frame with front suspension being Hydraulic and telescopic fork and in the rear suspension it is equiped with Hydraulic and telescopic fork . Stock tire sizes are 70/90-16 on the front, and 80/90-16 on the rear. As for stopping power, the Yamaha Why braking system includes Single disc size 220 mm (8.7 inches) at the front and Expanding brake (drum brake) size 110 mm (4.3 inches) at the rear. 

Yamaha Why General Information

Brand Yamaha 
Model Yamaha Why 
Year 2008 
Year 2008 
Category Scooter 
Factory Warranty (Years / miles)  

Yamaha Why Dimensions, Aerodynamics and weight

Frame type  
Seat details  
Wheelbase 1,294 mm (50.9 inches) 
Length 1,940 mm (76.4 inches) 
Width 685 mm (27.0 inches) 
Height 1,105 mm (43.5 inches) 
Seat Height 765 mm (30.1 inches) If adjustable, lowest setting. 
Alternate Seat Height  
Ground Clearance 125 mm (4.9 inches) 
Trail size  
Wheels details  
Front Tyres - Rims dimensions 70/90-16 
Rear Tyres - Rims dimensions 80/90-16 
Front brakes Single disc 
Rear brakes Expanding brake (drum brake) 
Front Brakes Dimensions - Disc Dimensions 220 mm (8.7 inches) 
Rear Brakes Dimensions - Disc Dimensions 110 mm (4.3 inches) 
Curb Weight (including fluids)  
Dry Weight 73.0 kg (160.9 pounds) 
Front Percentage of Weight  
Rear Percentage of Weight  
Weight-Power Output Ratio : 0.0440 HP/kg 
Fuel Tank Capacity 7.00 litres (1.85 gallons) 
Reserve Fuel Capacity  
Carrying Details and Capacity  
Front Suspension Hydraulic and telescopic fork 
Front Suspension Travel  
Rear Suspension Hydraulic and telescopic fork 
Rear Suspension Travel  

Yamaha Why 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 7.3:1 
Number of valves per cylinder  
Camshaft Valvetrain Configuration  
Maximum power - Output - Horsepower 3.21 HP (2.3 kW) @ 6500 RPM 
Maximum torque 3.50 Nm (0.4 kgf-m or 2.6 ft.lbs) @ 6250 RPM 
Engine Maximum RPM  
Cooling system Air 
Lubrication system Wet sump 
Engine oil capacity  
Exhaust system  
Gearbox Automatic 
Transmission type, final drive ratio Belt 
Clutch type  
Driveline  

Yamaha Why 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 Why Electrical Systems, Ignition and Equipment

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