QJ Motor Fort 4.0 2026 vs. Sym MaxSym 400i 2025

Technical Specifications QJ Motor Fort 4.0 2026 compared to Sym MaxSym 400i 2025

QJ Motor Fort 4.0 2026

Sym MaxSym 400i 2025

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Differences

QJ Motor Fort 4.0 2026

Sym MaxSym 400i 2025

Engine and Drive Train

Bore	Bore	80 mm	Bore	83 mm
Stroke	Stroke	69.6 mm	Stroke	73.8 mm
Engine power	Engine power	33.2 HP	Engine power	34 HP
Rpm at Max. Power	Rpm at Max. Power	7,500 rpm	Rpm at Max. Power	6,750 rpm
Torque	Torque	33.5 Nm	Torque	39.5 Nm
Rpm at Torque	Rpm at Torque	6,250 rpm	Rpm at Torque	5,250 rpm
Compression Ratio	Compression Ratio	11.5	Compression Ratio	10.5
Fuel system	Fuel system	Injection	Fuel system	Injection
Starter	Starter	Electric	Starter	Electric
Clutch Type	Clutch Type	Centrifugal force	Clutch Type	Centrifugal force, Dry
Transmission	Transmission	Belt	Transmission	Belt
Transmission Type	Transmission Type	Automatic	Transmission Type	Automatic, 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	DOHC	Valves	OHC
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	350 ccm	Displacement	399 ccm

Suspension Front

Front suspension	Front suspension	Telescopic fork	Front suspension	Upside-Down telescopic fork
Travel	Travel	104 mm	Travel	110 mm

Suspension Rear

Shock absorber	Shock absorber	Dual Shock	Shock absorber	Dual Shock
Travel	Travel	104 mm	Travel	108 mm
Adjustment	Adjustment	Preload	Adjustment	Preload

Chassis

Frame	Frame	Steel	Frame	Steel

Brakes Front

Type	Type	Double disk	Type	Single disk
Diameter	Diameter	265 mm	Diameter	288 mm
Piston	Piston	Four pistons	Piston	Four pistons
Shock mount	Shock mount	Fixed caliper	Shock mount	Floating caliper
Actuation	Actuation	Hydraulic	Actuation	Hydraulic

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	265 mm	Diameter	275 mm
Shock mount	Shock mount	Floating caliper	Shock mount	Floating caliper

Assistance Systems

Advanced Rider Assistance Systems	Advanced Rider Assistance Systems	ABS, Tire pressure monitoring system, Modern electronics	Advanced Rider Assistance Systems	ABS, Combined Brake System, Traction control

Dimensions and Weights

Front tyre width	Front tyre width	120 mm	Front tyre width	120 mm
Front tyre height	Front tyre height	70 %	Front tyre height	70 %
Front tyre diameter	Front tyre diameter	15 inch	Front tyre diameter	15 inch
Rear tyre width	Rear tyre width	150 mm	Rear tyre width	160 mm
Rear tyre height	Rear tyre height	70 %	Rear tyre height	60 %
Rear tyre diameter	Rear tyre diameter	14 inch	Rear tyre diameter	14 inch
Length	Length	2,220 mm	Length	2,230 mm
Width	Width	780 mm	Width	820 mm
Height	Height	1,390 mm	Height	1,455 mm
Wheelbase	Wheelbase	1,565 mm	Wheelbase	1,555 mm
Seat Height	Seat Height	870 mm	Seat Height	800 mm
Kerb Weight (with ABS)	Kerb Weight (with ABS)	213 kg	Kerb Weight (with ABS)	215 kg
Fuel Tank Capacity	Fuel Tank Capacity	14 l	Fuel Tank Capacity	13 l
Top Speed	Top Speed	139 km/h	Top Speed	139 km/h
License compliancy	License compliancy	A2	License compliancy	A2
Range	Range	360 km	Range	351 km
Combined CO2 emissions	Combined CO2 emissions	88 g/km	Combined CO2 emissions	85 g/km
Combined fuel consumption	Combined fuel consumption	3.8 l/100km	Combined fuel consumption	3.7 l/100km
Maximum authorized weight	Maximum authorized weight	402 kg	Maximum authorized weight	405 kg

Equipment

Equipment	Equipment	LED-Headlights, TFT display, Modern electronics, Lighting	Equipment	Keyless System, LED daytime running lights, LED-Headlights, Start/Stop system, TFT display, Topcase, USB socket, Windscreen adjustable