Aprilia RS4 125 2015 vs. Yamaha R125 2025

Technical Specifications Aprilia RS4 125 2015 compared to Yamaha R125 2025

Aprilia RS4 125 2015

Yamaha R125 2025

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Differences

Aprilia RS4 125 2015

Yamaha R125 2025

Engine and Drive Train

Bore	Bore	58 mm	Bore	52 mm
Stroke	Stroke	47 mm	Stroke	58.7 mm
Engine power	Engine power	15 HP	Engine power	15 HP
Rpm at Max. Power	Rpm at Max. Power	10,500 rpm	Rpm at Max. Power	10,000 rpm
Torque	Torque	10.9 Nm	Torque	11.5 Nm
Rpm at Torque	Rpm at Torque	8,250 rpm	Rpm at Torque	8,000 rpm
Starter	Starter	Electric	Starter	Electric
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Transmission	Transmission	Chain	Transmission	Chain
Number of gears	Number of gears	6	Number of gears	6
Cylinders	Cylinders	1	Cylinders	1
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	125 ccm	Displacement	124.7 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork

Suspension Rear

Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock

Brakes Rear

Type	Type	Disc	Type	Disc

Dimensions and Weights

Front tyre width	Front tyre width	100 mm	Front tyre width	100 mm
Front tyre height	Front tyre height	80 %	Front tyre height	80 %
Front tyre diameter	Front tyre diameter	17 inch	Front tyre diameter	17 inch
Rear tyre width	Rear tyre width	130 mm	Rear tyre width	140 mm
Rear tyre height	Rear tyre height	70 %	Rear tyre height	70 %
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	17 inch
Length	Length	1,968 mm	Length	1,990 mm
Width	Width	760 mm	Width	715 mm
Wheelbase	Wheelbase	1,353 mm	Wheelbase	1,325 mm
Seat Height	Seat Height	820 mm	Seat Height	820 mm
Fuel Tank Capacity	Fuel Tank Capacity	14.5 l	Fuel Tank Capacity	11 l
License compliancy	License compliancy	A1	License compliancy	A1