Yamaha NMAX 155 - 2023 Specifications and Reviews

The 2023 Yamaha NMAX 155 is a practical urban scooter designed for commuters and casual riders seeking reliable daily transportation. Its 155cc liquid-cooled four-stroke engine delivers smooth, efficient performance ideal for city riding. Known for its dependable engineering and user-friendly design, the NMAX 155 excels as an affordable entry-level scooter for riders prioritizing convenience and fuel economy.

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General information

CategoryScooter
Year2023
ModelYamaha NMAX 155
 
 

Engine and Transmission Specifications

Emission detailsEuro 5
DrivelineV-Belt Automatic
ClutchDry centrifugal
Transmission typeBelt   (final drive)
GearboxAutomatic
Cooling systemLiquid
Lubrication systemWet sump
IgnitionTCI
Fuel controlSingle Overhead Cams (SOHC)
Fuel systemInjection
Valves per Cylinder4
Bore x Stroke58.0 x 58.7 mm (2.3 x 2.3 inches)
Compression11.6:1
Torque14.4 Nm (1.5 kgf-m or 10.6 ft.lbs) @ 6000 RPM
Power12.1 HP (8.8 kW) @ 7500 RPM
Engine typeSingle cylinder, four-stroke
Capacity:155.0 ccm (9.46 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesSingle disc. ABS.
Diameter230 mm (9.1 inches)
Front brakesSingle disc. Hydraulic. ABS.
Rear tire130/70-13
Front tire110/70-13
Rear wheel travel85 mm (3.3 inches)
Rear SuspensionUnit Swing, twin shocks
Front wheel travel100 mm (3.9 inches)
Front SuspensionTelescopic fork
Trail92 mm (3.6 inches)
Rake (fork angle)26.0°
Frame typeUnderbone
 
 

Physical measures and capacities

Oil capacity1.00 litres (1.06 US quarts)
Fuel capacity7.10 litres (1.88 US gallons)
Wheelbase1350 mm (53.1 inches)
Ground clearance135 mm (5.3 inches)
Overall width740 mm (29.1 inches)
Overall length1955 mm (77.0 inches)
Overall height1115 mm (43.9 inches)
Seat height765 mm (30.1 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc127.0 kg (280.0 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsStart and stop engine system. Smart key.
Carrying capacityUnderseat storage
LightLED headlight
InstrumentsLCD instruments
StarterElectric
Color optionsMilky White, Dark Petrol

Performance Profile & Rider Fit

12.1 hp
Peak Power

Best For

Track5%
City92%
Cornering45%
Daily Riding90%
Touring25%
Passenger55%

Rider Profile

Best ForIdeal for beginners and commuters; the twist-and-go automatic and low 765mm seat make it approachable and unintimidating for new riders.
PurposeBuilt for urban commuting and errands. Nimble small-wheel scooter with underseat storage, great fuel economy and easy stop-and-go city manners.
Rider FitLight 127kg with a low 765mm seat and step-through underbone frame. Relaxed upright ergonomics, floorboard feet-forward stance and easy low-speed balance.
CharacterA practical, efficient and friendly commuter scooter. Liquid-cooled 155cc single with CVT delivers smooth, fuss-free power for daily city hops.
Not Ideal ForNot for highway cruisers, long-distance tourers, sport riders or anyone chasing speed and outright power; also unsuited to off-road use.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2023 Yamaha NMAX 155 Rider Ergonomics Assessment

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Feet:

At 765mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2023 Yamaha NMAX 155, with a moderate knee angle of around 100 degrees and a slightly forward riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2023 Yamaha NMAX 155 is a sleek and stylish scooter that offers a smooth and comfortable ride. Its 155cc engine provides plenty of power for city commuting, while its compact size makes it easy to maneuver through traffic. The NMAX 155 also boasts a range of features including ABS braking, LED lighting, and a digital display, making it a practical and modern choice for urban riders. Overall, the 2023 Yamaha NMAX 155 is a great option for those looking for a reliable and efficient scooter. Its stylish design, powerful engine, and advanced features set it apart from other options in its class. Whether you're a beginner rider or a seasoned commuter, the NMAX 155 offers a comfortable and enjoyable riding experience. With its combination of performance, style, and practicality, the NMAX 155 is sure to impress any rider looking for a top-notch scooter.
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