Sym Jet X 125 2025 vs. Yamaha NMAX 155 Tech MAX 2026

Technical Specifications Sym Jet X 125 2025 compared to Yamaha NMAX 155 Tech MAX 2026

Sym Jet X 125 2025

Yamaha NMAX 155 Tech MAX 2026

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Differences

Sym Jet X 125 2025

Yamaha NMAX 155 Tech MAX 2026

Engine and Drive Train

Bore	Bore	52.4 mm	Bore	58 mm
Stroke	Stroke	57.8 mm	Stroke	58.7 mm
Engine power	Engine power	12.6 HP	Engine power	15.1 HP
Rpm at Max. Power	Rpm at Max. Power	8,000 rpm	Rpm at Max. Power	8,000 rpm
Torque	Torque	11.5 Nm	Torque	14 Nm
Rpm at Torque	Rpm at Torque	6,500 rpm	Rpm at Torque	6,500 rpm
Compression Ratio	Compression Ratio	12.7	Compression Ratio	11.6
Fuel system	Fuel system	Injection	Fuel system	Injection
Starter	Starter	Electric	Starter	Electric
Clutch Type	Clutch Type	Centrifugal force, Dry	Clutch Type	Centrifugal force
Transmission	Transmission	Belt	Transmission	Belt
Transmission Type	Transmission Type	Automatic, Variomatic	Transmission Type	Variomatic
Cylinders	Cylinders	1	Cylinders	1
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Valves per cylinder	Valves per cylinder	4	Valves per cylinder	4
Valves	Valves	OHC	Valves	OHC
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	124.7 ccm	Displacement	155 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Telescopic fork
Travel	Travel	100 mm	Travel	100 mm

Suspension Rear

Shock absorber	Shock absorber	Dual Shock	Shock absorber	Dual Shock
Travel	Travel	75 mm	Travel	91 mm

Chassis

Frame	Frame	Steel	Frame	Steel

Brakes Front

Type	Type	Single disk	Type	Single disk
Diameter	Diameter	260 mm	Diameter	230 mm
Actuation	Actuation	Hydraulic	Actuation	Hydraulic

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	220 mm	Diameter	230 mm

Assistance Systems

Advanced Rider Assistance Systems	Advanced Rider Assistance Systems	ABS, Combined Brake System, Traction control	Advanced Rider Assistance Systems	ABS

Dimensions and Weights

Front tyre width	Front tyre width	100 mm	Front tyre width	110 mm
Front tyre height	Front tyre height	90 %	Front tyre height	70 %
Front tyre diameter	Front tyre diameter	14 inch	Front tyre diameter	13 inch
Rear tyre width	Rear tyre width	110 mm	Rear tyre width	130 mm
Rear tyre height	Rear tyre height	80 %	Rear tyre height	70 %
Rear tyre diameter	Rear tyre diameter	14 inch	Rear tyre diameter	13 inch
Length	Length	2,000 mm	Length	1,935 mm
Width	Width	760 mm	Width	740 mm
Height	Height	1,115 mm	Height	1,200 mm
Wheelbase	Wheelbase	1,350 mm	Wheelbase	1,340 mm
Seat Height	Seat Height	780 mm	Seat Height	770 mm
Kerb Weight (with ABS)	Kerb Weight (with ABS)	140 kg	Kerb Weight (with ABS)	135 kg
Fuel Tank Capacity	Fuel Tank Capacity	7.5 l	Fuel Tank Capacity	7.1 l
License compliancy	License compliancy	A1, A2, A, B196	License compliancy	A2
Range	Range	300 km	Range	295 km
Combined CO2 emissions	Combined CO2 emissions	56 g/km	Combined CO2 emissions	57 g/km
Combined fuel consumption	Combined fuel consumption	2.5 l/100km	Combined fuel consumption	2.4 l/100km
Euro Norm	Euro Norm	Euro 5	Euro Norm	Euro 5+

Equipment

Equipment	Equipment	Keyless System, LED-Headlights, Start/Stop system, USB socket, Windscreen adjustable	Equipment	Keyless System, LED-Headlights, Start/Stop system, TFT display, USB-C socket, Integrated navigation system, , , ,