Aprilia RS4 125 2016 vs. Yamaha YS125 2018

Technical Specifications Aprilia RS4 125 2016 compared to Yamaha YS125 2018

Aprilia RS4 125 2016

Yamaha YS125 2018

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Differences

Aprilia RS4 125 2016

Yamaha YS125 2018

Engine and Drive Train

Bore	Bore	58 mm	Bore	52.4 mm
Stroke	Stroke	47 mm	Stroke	57.9 mm
Engine power	Engine power	15 HP	Engine power	10.6 HP
Rpm at Max. Power	Rpm at Max. Power	10,500 rpm	Rpm at Max. Power	7,500 rpm
Torque	Torque	10.9 Nm	Torque	10.8 Nm
Rpm at Torque	Rpm at Torque	8,250 rpm	Rpm at Torque	6,000 rpm
Starter	Starter	Electric	Starter	Electric
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Transmission	Transmission	Chain	Transmission	Belt
Number of gears	Number of gears	6	Number of gears	5
Cylinders	Cylinders	1	Cylinders	1
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Cooling	Cooling	liquid	Cooling	Air
Displacement	Displacement	125 ccm	Displacement	124 ccm

Suspension Front

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

Suspension Rear

Shock absorber	Shock absorber	Monoshock	Shock absorber	Dual Shock

Brakes Rear

Type	Type	Disc	Type	Drum

Dimensions and Weights

Front tyre diameter	Front tyre diameter	17 inch	Front tyre diameter	18 inch
Rear tyre width	Rear tyre width	130 mm	Rear tyre width	100 mm
Rear tyre height	Rear tyre height	70 %	Rear tyre height	80 %
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	18 inch
Length	Length	1,968 mm	Length	2,005 mm
Width	Width	760 mm	Width	735 mm
Wheelbase	Wheelbase	1,353 mm	Wheelbase	1,320 mm
Seat Height	Seat Height	820 mm	Seat Height	795 mm
Kerb Weight	Kerb Weight	145 kg	Kerb Weight	129 kg
Fuel Tank Capacity	Fuel Tank Capacity	14.5 l	Fuel Tank Capacity	14 l
License compliancy	License compliancy	A1	License compliancy	A1