Aprilia GPR250R (2021) vs Yamaha XV 1900 Stratoliner Midnight (2011) vs CF Moto CFMoto 675SS (2025) vs Yamaha YZF 600R Thundercat (2000) vs KTM 790 Duke (2023)

Comparison technical specifications

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Make:	Aprilia	Yamaha	CF Moto	Yamaha	KTM
Model:	GPR250R	XV 1900 Stratoliner Midnight	CFMoto 675SS	YZF 600R Thundercat	790 Duke
Years:	2021	2011	2025	2000	2023
Engine:	Four stroke, single cylinder	Four stroke, pushrod 48° V-Twin, OHV, 2 valves per cylinder	3-Cylinder inline, 4-stroke, DOHC, 4 valves	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder
Capacity:	249.2 cc	1854 cc / 113 cu-in	674 cc / 41.2 cu in	599 cc / 36.5 cu-in	799 cc / 48.7 cu-in
Bore x Stroke:	72.0 x 61.2 mm	100 х 118 mm	72 x 55.2 mm	62 x 49.6 mm	88 mm x 65.7 mm
Cooling System:	Liquid-Cooled	Air cooled	Liquid cooled	Liquid cooled	Liquid cooled with water/oil heat exchanger
Induction:	Fiel injection	Twin-bore electronic fuel injection, 43mm throttle bodies and throttle position sensor	Bosch EFI	4 x 36 mm Keihin CV downdraft carburetors	DKK DellOrto fuel injection with 42mm throttle body
Ignition:	Electreic	Digital TCI	Electronic	Digital TCI	Bosch EMS with RBW
Starting:		Electric	Electric	Electric	Electric
Max Power:	26.5 hp @ 9,000 rpm	98.6 hp / 72.0 kW) @ 4250 rpm	70.8 kW / 95 hp @ 11 000 rpm	72.9 kW / 100 hp @ 11500 rpm	77 kW / 105 hp @ 9000 rpm
Max Torque:	22 Nm @ 7,500 rpm	166.7 Nm / / 17 kg-m / 123 ft-lb @ 2250 rpm	70 Nm / 51.6 lb-ft @ 8250 rpm	65.7 Nm / 6.7 kgf-m / 48.7 lb-ft @ 9500 rpm	87 Nm / 63.4 lb-ft @ 8000 rpm
Transmission:	6 Speed	5 Speed	6-Speed	6 Speed	6-speed (quickshifter optional)
Final Drive:	Chain	Belt	Chain	530 O-ring chain OEM sprocket sizes per tooth Front= 15 Back= 47	Chain 520 X-Ring
Front Suspension:	41mm USD telescopic forks	41mm Kayaba inverted telescopic fork	KYB upside-down fork, pre-load, compression & rebound adjustable	41 mm telescopic fork adjustable preload, compression and rebound damping	43mm Non-adjustable inverted WP APEX fork
Rear Suspension:	Monoshock	Link-type, preload and rebound adjustable single rear shock	KYB central monoshock, preload & rebound adjustable	Monoshock adjustable preload, bump and rebound	Linkage-free, cantilevered spring-preload adjustable WP Apex shock
Front Brakes:	Single 300 mm disc	2x 298 mm discs 4 piston calipers	2 x 300 mm discs, J.Juan radial-mount, 4-piston calipers	2x 300 mm Discs, 4 piston calipers	2x 300mm discs, radially mounted 4 piston caliper
Rear Brakes:	Single 218 mm disc	Single 320 mm disc 1 piston caliper	Single 240 mm disc, J.Juan caliper;	Single 245mm disc, 2 piston caliper	Single 240mm disc, 2 piston floating caliper
Front Tyre:	100/80-R17	130/70 ZR18	120/70 R17 (CST)	120/60-17	120/70 x 17
Rear Tyre:	130/70-R17	190/60 ZR17	180/55 R17 (CST)	160/60-17	180/55 x 17
Dimensions:	Length 1950 mm Width 770 mm Height 1100 mm	Length 2580 mm / 101.6 in Width 1055m / 41.5 in Height 1515 mm / 59.6 in	Length: 1981 mm / 78 in Width: 780 mm / 30.7 in Height: 1067 mm / 42 in	Length 2060mm / 81.1 in Width 754 mm / 29.6 in Height 1190 mm / 46.8 in	Length 2062 mm / 81.2 in Width 904 mm / 35.6 in Height 1059 mm / 41.7 in
Fuel Capacity:	14 Litres	17 Litres / 4.4 US gal	15 L / 4 US gal	19 Litres / 5.0 US gal / 4.2 Imp gal	14 Litres / 3.7 US gal