Keeway K-Light 125 2024 vs. Sym Jet 4 RX 50i 2025

Technical Specifications Keeway K-Light 125 2024 compared to Sym Jet 4 RX 50i 2025

Keeway K-Light 125 2024

Sym Jet 4 RX 50i 2025

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Differences

Keeway K-Light 125 2024

Sym Jet 4 RX 50i 2025

Engine and Drive Train

Engine power	Engine power	10.6 HP	Engine power	3 HP
Rpm at Max. Power	Rpm at Max. Power	9,000 rpm	Rpm at Max. Power	8,000 rpm
Torque	Torque	8.9 Nm	Torque	3 Nm
Rpm at Torque	Rpm at Torque	7,500 rpm	Rpm at Torque	6,000 rpm
Fuel system	Fuel system	Injection	Fuel system	Injection
Starter	Starter	Electric, Kick	Starter	Electric
Transmission	Transmission	Chain	Transmission	Belt
Cylinders	Cylinders	1	Cylinders	1
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Valves per cylinder	Valves per cylinder	2	Valves per cylinder	2
Valves	Valves	OHC	Valves	OHC
Cooling	Cooling	Air	Cooling	Air
Displacement	Displacement	124 ccm	Displacement	49.5 ccm

Suspension Front

Front suspension	Front suspension	Telescopic fork	Front suspension	Upside-Down telescopic fork
Travel	Travel	120 mm	Travel	85 mm

Suspension Rear

Shock absorber	Shock absorber	Dual Shock	Shock absorber	Monoshock
Travel	Travel	53 mm	Travel	80 mm

Chassis

Frame	Frame	Steel	Frame	Steel

Brakes Front

Type	Type	Single disk	Type	Single disk
Diameter	Diameter	280 mm	Diameter	226 mm

Brakes Rear

Type	Type	Disc	Type	Drum
Diameter	Diameter	240 mm	Diameter	110 mm

Assistance Systems

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

Dimensions and Weights

Front tyre width	Front tyre width	90 mm	Front tyre width	110 mm
Front tyre height	Front tyre height	90 %	Front tyre height	70 %
Front tyre diameter	Front tyre diameter	17 inch	Front tyre diameter	12 inch
Rear tyre width	Rear tyre width	130 mm	Rear tyre width	120 mm
Rear tyre height	Rear tyre height	90 %	Rear tyre height	70 %
Rear tyre diameter	Rear tyre diameter	15 inch	Rear tyre diameter	12 inch
Length	Length	2,140 mm	Length	1,900 mm
Width	Width	780 mm	Width	745 mm
Height	Height	1,100 mm	Height	1,110 mm
Wheelbase	Wheelbase	1,440 mm	Wheelbase	1,290 mm
Seat Height	Seat Height	715 mm	Seat Height	785 mm
Fuel Tank Capacity	Fuel Tank Capacity	11.8 l	Fuel Tank Capacity	6.2 l
Top Speed	Top Speed	100 km/h	Top Speed	45 km/h