Sym ADX 300 2025 vs. Sym ADX 400 TG 2026

Technical Specifications Sym ADX 300 2025 compared to Sym ADX 400 TG 2026

Sym ADX 300 2025

Sym ADX 400 TG 2026

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Differences

Sym ADX 300 2025

Sym ADX 400 TG 2026

Engine and Drive Train

Bore	Bore	75 mm	Bore	83 mm
Stroke	Stroke	63 mm	Stroke	73.8 mm
Engine power	Engine power	26 HP	Engine power	34 HP
Rpm at Max. Power	Rpm at Max. Power	8,000 rpm	Rpm at Max. Power	6,750 rpm
Torque	Torque	26 Nm	Torque	37.2 Nm
Rpm at Torque	Rpm at Torque	6,000 rpm	Rpm at Torque	5,500 rpm
Compression Ratio	Compression Ratio	10.5	Compression Ratio	10.5
Fuel system	Fuel system	Injection	Fuel system	Injection
Starter	Starter	Electric	Starter	Electric
Clutch Type	Clutch Type	Centrifugal force, Dry	Clutch Type	Multiplate in oil-bath
Transmission	Transmission	Belt	Transmission	Chain
Transmission Type	Transmission Type	Automatic	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
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	278.3 ccm	Displacement	399 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork
Travel	Travel	125 mm	Travel	140 mm

Suspension Rear

Shock absorber	Shock absorber	Dual Shock	Shock absorber	Monoshock
Travel	Travel	120 mm	Travel	115 mm

Chassis

Frame	Frame	Steel	Frame	Steel

Brakes Front

Type	Type	Single disk	Type	Single disk
Diameter	Diameter	260 mm	Diameter	275 mm
Actuation	Actuation	Hydraulic	Actuation	Hydraulic

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	240 mm	Diameter	233 mm

Assistance Systems

Advanced Rider Assistance Systems	Advanced Rider Assistance Systems	ABS, Combined Brake System, Traction control	Advanced Rider Assistance Systems	ABS, 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	140 mm	Rear tyre width	150 mm
Rear tyre height	Rear tyre height	70 %	Rear tyre height	70 %
Rear tyre diameter	Rear tyre diameter	14 inch	Rear tyre diameter	14 inch
Length	Length	2,185 mm	Length	2,166 mm
Width	Width	810 mm	Width	920 mm
Height	Height	1,325 mm	Height	1,416 mm
Wheelbase	Wheelbase	1,510 mm	Wheelbase	1,535 mm
Seat Height	Seat Height	790 mm	Seat Height	790 mm
Kerb Weight (with ABS)	Kerb Weight (with ABS)	200 kg	Kerb Weight (with ABS)	213 kg
Fuel Tank Capacity	Fuel Tank Capacity	16 l	Fuel Tank Capacity	13 l
Top Speed	Top Speed	127 km/h	Top Speed	139 km/h
License compliancy	License compliancy	A2	License compliancy	A2
Range	Range	470 km	Range	325 km
Combined CO2 emissions	Combined CO2 emissions	76 g/km	Combined CO2 emissions	93 g/km
Combined fuel consumption	Combined fuel consumption	3.4 l/100km	Combined fuel consumption	4 l/100km
Maximum authorized weight	Maximum authorized weight	350 kg	Maximum authorized weight	403 kg

Equipment

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