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Moto profi >> Manufacturers list >> Yamaha >> Neos 4S 2009
Motorcycle Specs and Pictures


Yamaha Neos 4S 2009

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TECHNICAL SPECIFICATION
Model ID
Manufacturer (Make)Yamaha
Model NameNeos 4S
Year2009
Category(class)Scooter
Engine
Engine Capacity (Displacement)49 ccm (2.99 cubic inches)
Engine TypeSingle cylinder, four-stroke
Bore x StrokeØ38.0 mm x 43.6 mm (Ø1.5 inches x 1.72 inches)
Bore/Stroke Ratio0.87
Compression Ratio12.0:1
Fuel System(Carburetion)Injection
IgnitionTCI
Starter SystemElectric & kick
Lubrication SystemWet sump
Cooling SystemLiquid
Powertrain
Transmission (Final Drive)Belt
Chassis/Suspension/Brakes
Front SuspensionTelescopic fork
Rear SuspensionUnit swing
Front BrakesSingle disc
Front Brakes DiameterØ190 mm (Ø7.48 inches)
Rear BrakesExpanding brake (drum brake)
Rear Brakes DiameterØ110 mm (Ø4.33 inches)
Front Tire120/70-12
Rear Tire130/70-12
Dimensions
Overall Length1840 mm (72.44 inches)
Seat Height790 mm (31.1 inches)
Wheelbase1275 mm (50.2 inches)
Curb Weight95.0 kg (209 lb)
Fuel Capacity 5.40 litres (1.43 gallons)
Performance
Max Power3.08 HP (2.2 kW) at 7000 RPM
Max Torque3.15 Nm (2.32 ft*lbs) at 7000 RPM
Power/Weight Ratio0.03 Hp/Kg
Top Speed-
Acceleration (dart, speedup) time
  • 0-100 km/h
  • -
  • 0-60 mph
  • -
  • 1/4 mile
  • -
  • 60 to 140 km/h, highest gear
  • -

    Moto profi >> Manufacturers list >> Yamaha >> Neos4S 2009
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