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2026 SYM Symphony 125 vs 2026 Yamaha Nmax 155 - Spec Comparison

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2026 SYM Symphony 125

2026 SYM Symphony 125

The SYM Symphony 125 is a practical automatic scooter designed for commuters and novice riders seeking fuel-efficient urban mobility. Its liquid-cooled single-cylinder engine delivers smooth performance with electronic fuel injection, while the CVT transmission offers effortless riding. Best known for combining affordability with reliable everyday practicality, it excels in city traffic and short-distance commuting.

2026 Yamaha Nmax 155

2026 Yamaha Nmax 155

The 2026 Yamaha NMAX 155 is a practical and fuel-efficient scooter designed for urban commuters and casual riders seeking reliable daily transportation. Known for its comfortable riding position, ample under-seat storage, and nimble handling, it combines a responsive 155cc liquid-cooled engine with modern styling. This model excels in congested city environments where its compact size and easy maneuverability provide genuine everyday utility.

2026 SYM Symphony 125 vs 2026 Yamaha Nmax 155: the key differences

Both are scooters, so this is a like-for-like choice.

2026 SYM Symphony 125: Designed primarily for commuting and short urban trips rather than performance or long-distance riding.

2026 Yamaha Nmax 155: Built for urban commuting and errands. Nimble small-wheel scooter with underseat storage, great fuel economy and easy stop-and-go city manners.

Verdict: Choose the 2026 SYM Symphony 125 if you want lighter weight. Choose the 2026 Yamaha Nmax 155 if you want more torque, a lower seat and a bigger tank. Check the full table below for every figure, and the size comparison for fit.

Size Comparison

2026 SYM Symphony 125 2026 Yamaha Nmax 155 (dashed outline)
2026 SYM Symphony 125 seat: 805mm2026 Yamaha Nmax 155 seat: 765mm175cm

The 2026 SYM Symphony 125 has a 0.4" longer wheelbase than the 2026 Yamaha Nmax 155 (53.5" vs 53.1"), the 2026 SYM Symphony 125 sits 1.6" taller at the seat (31.7" vs 30.1"), and the 2026 Yamaha Nmax 155 is about 5kg heavier.

Silhouettes are generic per-category shapes scaled to each bike's real wheelbase and seat height, not per-model artwork - a size approximation, not a photo.

Specification2026 SYM Symphony 1252026 Yamaha Nmax 155
Other
Category Scooter Scooter
Color Options White, Black, Blue, Grey Milky White, Dark Petrol
Comments USB charging. The SYM brand is owned by Sanyang Motor in Taiwan. -
Carrying capacity - Underseat storage
Engine
Capacity: 125.0 ccm (7.63 cubic inches) 155.0 ccm (9.46 cubic inches)
CO2 Emissions ✓5 CO2 g/km ✓5 CO2 g/km
Engine Type Single, four-stroke Single, four-stroke
Bore x Stroke 52.4 x 57.8 mm (2.1 x 2.3 inches) 58.0 x 58.7 mm (2.3 x 2.3 inches)
Compression 10.7:1 11.6:1
Cooling System Air Liquid
Fuel System Injection Injection
Starting Electric Electric
Ignition - TCI
Valves Per Cylinder - 4
Lubrication System - Wet sump
Performance
Power 11.3 HP (8.4 kW) @ 8500 RPM ✓12.1 HP (8.8 kW) @ 7500 RPM
Torque 10.3 Nm (1.1 kgf-m or 7.6 ft.lbs) @ 6500 RPM ✓14.4 Nm (1.5 kgf-m or 10.6 ft.lbs) @ 6000 RPM
Power/Weight Ratio 0.0926 HP/kg (wet) 0.0953 HP/kg (wet)
Brakes & wheels
Front Brakes Single disc. Combined braking system (CBS) Single disc. Hydraulic. ABS.
Rear Brakes Single disc Single disc. ABS.
Front Tyre 110/70-16 110/70-13
Rear Tyre 110/70-16 130/70-13
ABS - Yes
Dimensions & weight
Wheelbase 1360 mm (53.5 inches) 1350 mm (53.1 inches)
Overall Length 1980 mm (78.0 inches) 1955 mm (77.0 inches)
Overall Width 685 mm (27.0 inches) 740 mm (29.1 inches)
Overall Height 1145 mm (45.1 inches) 1115 mm (43.9 inches)
Seat Height 805 mm (31.7 inches) ✓765 mm (30.1 inches)
Wet Weight ✓122.0 kg (269.0 pounds) 127.0 kg (280.0 pounds)
Fuel Capacity 5.20 litres (1.37 US gallons) ✓7.10 litres (1.88 US gallons)
Oil capacity - 1.00 litres (1.06 US quarts)
Transmission
Transmission Type Automatic Automatic
Final Drive Belt Belt
Clutch Auto centrifugal type Dry centrifugal
Chassis & suspension
Front Suspension Telescopic Fork Telescopic fork
Rear Suspension Double shocks Unit Swing, twin shocks
Ground Clearance 125 mm (4.9 inches) 135 mm (5.3 inches)
Frame - Underbone
Front Wheel Travel - 100 mm (3.9 inches)
Rear Wheel Travel - 85 mm (3.3 inches)
Rake (fork angle) - 26.0°
Trail - 92 mm (3.6 inches)

"Best" (✓) reflects that single spec only, not overall suitability - a bike can win on paper and still be the wrong choice for you. Ties are all marked; specs with no clear better/worse direction (e.g. displacement, wheel size) are never marked, only tinted where bikes differ.

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2026 SYM Symphony 125 on eBay 2026 Yamaha Nmax 155 on eBay

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Specs are pulled from the same categories used throughout the site: engine and transmission (capacity, power, torque, gearbox), physical measures (weight, seat height, fuel and tank capacity), frame and dimensions, speed and acceleration, and brakes, suspension, frame and wheels (including tyres) - plus general information and maintenance data where it's on record for a bike.

How the highlighting works, and its limits

A highlighted cell means one bike has the clearly better raw number for that spec - more power, less weight, and so on. Fields where "better" genuinely depends on the rider - seat height above all - are deliberately never highlighted: a lower seat isn't automatically the right choice, it's a fit question only you can answer. Winning a row also isn't the same as winning the comparison - a bike can lead on paper in half the rows and still be the wrong bike for you.

Frequently asked questions

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