Sym Symphony St 125 vs Yamaha Nmax 155
Side-by-side comparison for used motorcycle buyers
Sym Symphony St 125 vs Yamaha Nmax 155. Sym Symphony St 125: 8.5 hp @ 7,500 rpm — best estimate hp, 108 kg (wet/curb weight) — best estimate weight, top speed 95–100 km/h — best estimate, Motoryk rating 6.5/10. Yamaha Nmax 155: 15.1 hp @ 8,000 rpm hp, 127 kg (wet/curb weight) weight, top speed 125 km/h, Motoryk rating 7.8/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Sym Symphony St 125
Yamaha Nmax 155
Horsepower (hp)
8.5 hp
15.1 hp
Torque (Nm)
9.5 Nm
13.9 Nm
Top Speed (km/h)
95 km/h
125 km/h
Weight (kg) — lower is better
108 kg
127 kg
Type
Scooter
Scooter
Horsepower
8.5 hp @ 7,500 rpm — best estimate
15.1 hp @ 8,000 rpm
Torque
9.5 Nm @ 6,000 rpm — best estimate
13.9 Nm @ 6,500 rpm
Top Speed
95–100 km/h — best estimate
125 km/h
Weight
108 kg (wet/curb weight) — best estimate
127 kg (wet/curb weight)
Fuel
2.0–2.5 L/100km (approx. 40–50 km/L) — best estimate
2.4 L/100km or approximately 41 km/L (typical real-world average)
Fairing
Yes
Yes
Individual Reviews
Sym Symphony St 125
6.5/10
"A sensible city tool that rewards careful used buyers watching maintenance history."
Pros
+Exceptional real-world fuel economy
+Generous underseat helmet storage
+Lightweight and city-nimble
Cons
−Scarce replacement body panels
−Variator wears prematurely
−Wooden combined braking feel
Yamaha Nmax 155
7.8/10
"A smart, reliable urban weapon if you buy carefully."
Pros
+Bulletproof Blue Core engine
+Excellent underseat storage
+Composed, planted handling
Cons
−Front forks leak when neglected
−Plastics scratch embarrassingly easily
−Pillion comfort is mediocre
Top 10 Accessories
Picks that work on either bike.
