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UltimateSpecs.com   Cars Motorcycles
Motorcycles Specs > Yamaha > Yamaha Neos 4S

Yamaha Neos 4S Specs

The Yamaha Neos 4S model is a Scooter bike manufactured by Yamaha . In this version sold from year 2009 , the dry weight is  and it is equiped with a Single cylinder, four-stroke motor. The engine produces a maximum peak output power of 3.08 HP (2.2 kW) @ 7000 RPM and a maximum torque of 3.15 Nm (0.3 kgf-m or 2.3 ft.lbs) @ 7000 RPM . With this drive-train, the Yamaha Neos 4S is capable of reaching a maximum top speed of  . Regarding the chassis characteristics, responsible for road holding, handling behaviour and ride confort, the Yamaha Neos 4S have a  frame with front suspension being Telescopic fork and in the rear suspension it is equiped with 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 Neos 4S braking system includes Single disc size 190 mm (7.5 inches) at the front and Expanding brake (drum brake) size 110 mm (4.3 inches) at the rear. 

Yamaha Neos 4S General Information

Brand Yamaha 
Model Yamaha Neos 4S 
Year 2009 
Year 2009 
Category Scooter 
Factory Warranty (Years / miles)  

Yamaha Neos 4S Dimensions, Aerodynamics and weight

Frame type  
Seat details  
Wheelbase 1,275 mm (50.2 inches) 
Length 1,840 mm (72.4 inches) 
Width  
Height  
Seat Height 790 mm (31.1 inches) If adjustable, lowest setting. 
Alternate Seat Height  
Ground Clearance  
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 190 mm (7.5 inches) 
Rear Brakes Dimensions - Disc Dimensions 110 mm (4.3 inches) 
Curb Weight (including fluids) 95.0 kg (209.4 pounds) 
Dry Weight  
Front Percentage of Weight  
Rear Percentage of Weight  
Weight-Power Output Ratio :  
Fuel Tank Capacity 5.40 litres (1.43 gallons) 
Reserve Fuel Capacity  
Carrying Details and Capacity  
Front Suspension Telescopic fork 
Front Suspension Travel  
Rear Suspension Unit swing 
Rear Suspension Travel  

Yamaha Neos 4S Engine and Transmission Technical Data

Engine type - Number of cylinders Single cylinder, four-stroke 
Engine details  
Fuel system Injection 
Engine size - Displacement - Engine capacity 49.40 ccm (3.01 cubic inches) 
Bore x Stroke 38.0 x 43.6 mm (1.5 x 1.7 inches) 
Compression Ratio 12.0:1 
Number of valves per cylinder  
Camshaft Valvetrain Configuration  
Maximum power - Output - Horsepower 3.08 HP (2.2 kW) @ 7000 RPM 
Maximum torque 3.15 Nm (0.3 kgf-m or 2.3 ft.lbs) @ 7000 RPM 
Engine Maximum RPM  
Cooling system Liquid 
Lubrication system Wet sump 
Engine oil capacity  
Exhaust system  
Gearbox Automatic 
Transmission type, final drive ratio Belt 
Clutch type  
Driveline  

Yamaha Neos 4S 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 Neos 4S Electrical Systems, Ignition and Equipment

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