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
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| Brand |
Yamaha |
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| Model |
Yamaha Neos 4S |
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| Year |
2009 |
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| Year |
2009 |
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| Category |
Scooter |
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| Factory Warranty (Years / miles) |
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Yamaha Neos 4S Dimensions, Aerodynamics and weight
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| Frame type |
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| Seat details |
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| Wheelbase |
1,275 mm (50.2 inches) |
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| Length |
1,840 mm (72.4 inches) |
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| Width |
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| Height |
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| Seat Height |
790 mm (31.1 inches) If adjustable, lowest setting. |
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| Alternate Seat Height |
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| Ground Clearance |
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| Trail size |
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| Wheels details |
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| Front Tyres - Rims dimensions |
120/70-12 |
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| Rear Tyres - Rims dimensions |
130/70-12 |
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| Front brakes |
Single disc |
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| Rear brakes |
Expanding brake (drum brake) |
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| Front Brakes Dimensions - Disc Dimensions |
190 mm (7.5 inches) |
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| Rear Brakes Dimensions - Disc Dimensions |
110 mm (4.3 inches) |
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| Curb Weight (including fluids) |
95.0 kg (209.4 pounds) |
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| Dry Weight |
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| Front Percentage of Weight |
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| Rear Percentage of Weight |
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| Weight-Power Output Ratio : |
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| Fuel Tank Capacity |
5.40 litres (1.43 gallons) |
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| Reserve Fuel Capacity |
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| Carrying Details and Capacity |
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| Front Suspension |
Telescopic fork |
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| Front Suspension Travel |
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| Rear Suspension |
Unit swing |
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| Rear Suspension Travel |
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Yamaha Neos 4S Engine and Transmission Technical Data
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| Engine type - Number of cylinders |
Single cylinder, four-stroke |
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| Engine details |
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| Fuel system |
Injection |
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| Engine size - Displacement - Engine capacity |
49.40 ccm (3.01 cubic inches) |
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| Bore x Stroke |
38.0 x 43.6 mm (1.5 x 1.7 inches) |
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| Compression Ratio |
12.0:1 |
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| Number of valves per cylinder |
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| Camshaft Valvetrain Configuration |
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| Maximum power - Output - Horsepower |
3.08 HP (2.2 kW) @ 7000 RPM |
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| Maximum torque |
3.15 Nm (0.3 kgf-m or 2.3 ft.lbs) @ 7000 RPM |
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| Engine Maximum RPM |
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| Cooling system |
Liquid |
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| Lubrication system |
Wet sump |
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| Engine oil capacity |
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| Exhaust system |
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| Gearbox |
Automatic |
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| Transmission type, final drive ratio |
Belt |
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| Clutch type |
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| Driveline |
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Yamaha Neos 4S Performance
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| Top Speed |
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| Acceleration 0 to 100 km/h (0 to 62 mph) |
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| Acceleration 0 to 400m (1/4 mile) |
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| Recuperation 60 to 140 km/h in highest gear |
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| Fuel Consumption - MPG - Economy - Efficiency |
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| CO2 emissions |
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| Emissions |
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Yamaha Neos 4S Electrical Systems, Ignition and Equipment
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| Ignition Type |
TCI |
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| Electrical Details |
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| Starter Type |
Electric & kick |
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| Instruments |
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| Lights |
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