Yamaha WR 125 R 2009 vs. Aprilia RS 660 2023

Technical Specifications Yamaha WR 125 R 2009 compared to Aprilia RS 660 2023

Yamaha WR 125 R 2009

Aprilia RS 660 2023

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Differences

Yamaha WR 125 R 2009

Aprilia RS 660 2023

Engine and Drive Train

Bore	Bore	52 mm	Bore	81 mm
Stroke	Stroke	58.6 mm	Stroke	63.93 mm
Engine power	Engine power	15 HP	Engine power	100 HP
Rpm at Max. Power	Rpm at Max. Power	9,000 rpm	Rpm at Max. Power	10,500 rpm
Torque	Torque	12.2 Nm	Torque	67 Nm
Rpm at Torque	Rpm at Torque	8,000 rpm	Rpm at Torque	8,500 rpm
Compression Ratio	Compression Ratio	11.2	Compression Ratio	13.5
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath, Antihopping
Transmission	Transmission	Chain	Transmission	Chain
Number of gears	Number of gears	6	Number of gears	6
Cylinders	Cylinders	1	Cylinders	2
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	124.7 ccm	Displacement	659 ccm

Suspension Front

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

Chassis

Frame	Frame	Steel	Frame	Aluminium
Frame type	Frame type	Double cradle	Frame type	Load-bearing engine

Brakes Rear

Type	Type	Disc	Type	Disc

Dimensions and Weights

Front tyre diameter	Front tyre diameter	21 inch	Front tyre diameter	17 inch
Rear tyre diameter	Rear tyre diameter	18 inch	Rear tyre diameter	17 inch
Length	Length	2,180 mm	Length	1,995 mm
Width	Width	835 mm	Width	745 mm
Height	Height	1,220 mm	Height	1,150 mm
Wheelbase	Wheelbase	1,430 mm	Wheelbase	1,370 mm
Seat Height	Seat Height	930 mm	Seat Height	820 mm
Fuel Tank Capacity	Fuel Tank Capacity	8.5 l	Fuel Tank Capacity	15 l
License compliancy	License compliancy	A1	License compliancy	A