Scooters
2018Yamaha Neos 4
36 fields on record
The 2018 Yamaha Neos 4 is a four-stroke 50cc scooter with an optional unified braking system. Its liquid-cooled 49.4cc single makes 3.1 hp at 7,000 rpm and 3.2 Nm through a belt-drive automatic. A 790 mm seat, 95 kg wet weight and 5.4-litre tank suit moped riders.
- Capacity
- 49.4 ccm
- Engine
- Single, four-stroke
- Gearbox
- Not on record
Know it? Add it → - Wet weight
- 95.0 kg
- Seat height
- 790 mm
- Power
- 3.1 HP (2.2 kW) @ 7000 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for short urban hops, errands, and commuting at low speeds rather than any kind of performance riding.
- Built for
- A practical, economical, and unassuming little runabout that prioritizes efficiency and ease of use over excitement.
- Not ideal for
- Not suitable for highway travel, touring, carrying a passenger comfortably, or any rider seeking speed or off-road capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 49.4 ccm
- Power
- 3.1 HP (2.2 kW) @ 7000 RPM
- Torque
- 3.2 Nm (0.3 kgf-m) @ 7000 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.0326 HP/kg (wet)
- Bore x stroke
- 38.0 x 43.6 mm
- Compression
- 12.0:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric & kick
- Ignition
- TCI
- Lubrication system
- Wet sump
Transmission
- Transmission type
- Automatic
- Final drive
- Belt
Dimensions & weight
- Wheelbase
- 1275 mm
- Overall length
- 1840 mm
- Overall width
- 663 mm
- Overall height
- 1118 mm
- Seat height
- 790 mm
- Wet weight
- 95.0 kg
- Fuel capacity
- 5.40 litres
- Ground clearance
- 154 mm
- Carrying capacity
- Lockable helmet compartment
- Dry weight
- Not on record - add it
Chassis & suspension
- Front suspension
- Telescopic fork
- Rear suspension
- Hydraulic unit swing
- Front wheel travel
- 70 mm
- Rear wheel travel
- 60 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 190 mm
- Rear brakes
- Expanding brake (drum brake)
- Rear brakes diameter
- 110 mm
- Front tyre
- 120/70-12
- Rear tyre
- 130/70-12
Other
- Color options
- Bronze, white, black
- Comments
- Optional Unified Braking System.
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2014 | 2016 | 2018 | 2020 | 2022 |
|---|---|---|---|---|---|
| Capacity | 49 cc | 49 cc | 49 cc | 49 cc | 49 cc |
| Seat height | 790 mm | 790 mm | 790 mm | 790 mm | 790 mm |
| Fuel capacity | 5.4 L | 5.4 L | 5.4 L | 5.4 L | 5.4 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Yamaha Neos 4?
The 2018 Yamaha Neos 4 has a Capacity of 49.4 ccm (3.01 cubic inches).
What engine power does the Yamaha Neos 4 have?
The 2018 Yamaha Neos 4 has a Power of 3.1 HP (2.2 kW) @ 7000 RPM.
What is the torque of the Yamaha Neos 4?
The 2018 Yamaha Neos 4 has a Torque of 3.2 Nm (0.3 kgf-m or 2.4 ft.lbs) @ 7000 RPM.
How much does the Yamaha Neos 4 weigh?
The 2018 Yamaha Neos 4 has a Wet weight of 95.0 kg (209.4 pounds).
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