These are the known mechanical and performance specifications for your 2009 Yamaha Why.
Basic Specs
Engine
Displacement49.20 ccm (3.00 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM
Compression7.3:1
Bore/Stroke40.0 x 39.2 mm (1.6 x 1.5 inches)
Valves/Cylinder
FuelingCarburettor
IgnitionCDI
Exhaust
LubricationSeparate lubrication
CoolingAir
Performance
Horespower3.21 HP (2.3 kW)
Torque3.50 Nm (0.4 kgf-m or 2.6 ft.lbs)
Top Speed
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity7.00 litres (1.85 gallons)
Emissions
Chassis
Frame Type
Rake
Trail
Front SuspensionTelescopic fork
Front Travel80 mm (3.1 inches)
Rear SuspensionUnit swing
Rear Travel70 mm (2.8 inches)
Seat
Seat Height765 mm (30.1 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1,105 mm (43.5 inches)
Total Length1,940 mm (76.4 inches)
Total Width685 mm (27.0 inches)
Ground Clearance125 mm (4.9 inches)
Wheelbase1,294 mm (50.9 inches)
Dry Weight
Wet Weight78.0 kg (172.0 pounds)
Wheels & Brakes
Front Tire/Tyre70/90-16
Rear Tire/Tyre80/90-16
Front BrakesSingle disc
Front Brake Diameter220 mm (8.7 inches)
Rear BrakesExpanding brake (drum brake)
Rear Brake Diameter110 mm (4.3 inches)
Wheels
Comments