Yamaha R9 2025 vs. Aprilia RS 660 2024

Technical Specifications Yamaha R9 2025 compared to Aprilia RS 660 2024

Yamaha R9 2025

Aprilia RS 660 2024

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Differences

Yamaha R9 2025

Aprilia RS 660 2024

Engine and Drive Train

Engine type	Engine type	In line	Engine type	In line crankpin offset
Bore	Bore	78 mm	Bore	81 mm
Stroke	Stroke	62.1 mm	Stroke	63.93 mm
Engine power	Engine power	119 HP	Engine power	100 HP
Rpm at Max. Power	Rpm at Max. Power	10,000 rpm	Rpm at Max. Power	10,500 rpm
Torque	Torque	93 Nm	Torque	67 Nm
Rpm at Torque	Rpm at Torque	7,000 rpm	Rpm at Torque	8,500 rpm
Compression Ratio	Compression Ratio	11.5	Compression Ratio	13.5
Fuel system	Fuel system	Injection	Fuel system	Injection
Starter	Starter	Electric	Starter	Electric
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath, Antihopping
Transmission	Transmission	Chain	Transmission	Chain
Transmission Type	Transmission Type	Gearshift	Transmission Type	Gearshift
Number of gears	Number of gears	6	Number of gears	6
Cylinders	Cylinders	3	Cylinders	2
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Valves per cylinder	Valves per cylinder	4	Valves per cylinder	4
Valves	Valves	DOHC	Valves	DOHC
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	890 ccm	Displacement	659 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork
Diameter	Diameter	43 mm	Diameter	41 mm
Travel	Travel	120 mm	Travel	120 mm
Adjustment	Adjustment	Compression, Preload, Rebound	Adjustment	Compression, Preload, Rebound

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm
Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock
Travel	Travel	118 mm	Travel	130 mm
Adjustment	Adjustment	Preload, Rebound	Adjustment	Preload, Rebound

Chassis

Frame	Frame	Aluminium	Frame	Aluminium
Frame type	Frame type	Twin Tube	Frame type	Load-bearing engine
Rake	Rake	68 degree	Rake	65.9 degree
Trail	Trail	94 mm	Trail	104.6 mm

Brakes Front

Type	Type	Double disk	Type	Double disk
Diameter	Diameter	320 mm	Diameter	320 mm

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	220 mm	Diameter	220 mm

Assistance Systems

Advanced Rider Assistance Systems	Advanced Rider Assistance Systems	ABS, Riding modes, Cornering ABS, Ride by Wire, Quickshifter, Shift assistant with blipper, Cruise control, Traction control, Anti-wheelie	Advanced Rider Assistance Systems	ABS, Riding modes, Launch-Control, Ride by Wire, Quickshifter, Traction control, Anti-wheelie

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	17 inch	Front tyre diameter	17 inch
Rear tyre width	Rear tyre width	180 mm	Rear tyre width	180 mm
Rear tyre height	Rear tyre height	55 %	Rear tyre height	55 %
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	17 inch
Length	Length	2,070 mm	Length	1,995 mm
Width	Width	705 mm	Width	745 mm
Height	Height	1,180 mm	Height	1,150 mm
Wheelbase	Wheelbase	1,420 mm	Wheelbase	1,370 mm
Seat Height	Seat Height	830 mm	Seat Height	820 mm
Kerb Weight (with ABS)	Kerb Weight (with ABS)	195 kg	Kerb Weight (with ABS)	183 kg
Fuel Tank Capacity	Fuel Tank Capacity	14 l	Fuel Tank Capacity	15 l
License compliancy	License compliancy	A2, A	License compliancy	A

Equipment

Equipment	Equipment	Connectivity, LED daytime running lights, LED-Headlights, TFT display	Equipment	LED-Headlights