Suzuki GSX-R 750 (2010) vs Yamaha XMAX 250 (2014-15) vs Yamaha YZF-R 125 (2014) vs KTM RC 390 (2022) vs Yamaha XJ 400 Seca (1980-81) vs Suzuki PE 250 (1981) vs Yamaha XVS 250 V-Star (2016-17) vs Yamaha XV 1900 Roadliner S (2008-09) vs KTM 790 Duke (2020) vs Yamaha XV 400 Virago (1990-93) vs Suzuki Katana (2019) vs Ducati 999 S (2004)

Comparison technical specifications

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Make:	Suzuki	Yamaha	Yamaha	KTM	Yamaha	Suzuki	Yamaha	Yamaha	KTM	Yamaha	Suzuki	Ducati
Model:	GSX-R 750	XMAX 250	YZF-R 125	RC 390	XJ 400 Seca	PE 250	XVS 250 V-Star	XV 1900 Roadliner S	790 Duke	XV 400 Virago	Katana	999 S
Years:	2010	2014-15	2014	2022	1980-81	1981	2016-17	2008-09	2020	1990-93	2019	2004
Engine:	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, single cylinder, SOHC	Four stroke, single cylinder, SOHC, 4 valve	Four stroke, single cylinder, DOHC with finger followers, 4 valves per cylinder	Four stroke, transverse four cylinder. DOHC	Two stroke, single cylinder, piston and reed valve	Four stroke, V-twin cylinder, SOHC, 2 valves per cylinder.	Four stroke, pushrod 48° V-Twin, OHV, 2 valves per cylinder	Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder	Four stroke, 70°V-Twin cylinder, SOHC, 2 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, 90° “L” twin cylinder, DOHC, desmodromic 4 valves per cylinder, belt driven
Capacity:	749 c / 45.7 cub. in.	249.7 cc / 15.2 cu-in	124 cc / 7.6 cu-in	373 cc / 22.7 cu-in	398 cc / 24.2 cu-in	246 cc / 15.0 cu in	249 cc / 15.1 cu/in	1854 cc / 113 cu-in	799 cc / 48.7 cu-in	399 cc / 24.3 cu-in	999 cc / 60.9 in	998 cc / 60.9 cu in
Bore x Stroke:	70 x 48.7 mm	69 x 66.8 mm	52 x 58.6 mm	89 x 60 mm	51 х 48.8 mm	67 x 70 mm	49 x 66 mm	100 х 118 mm	88 mm x 65.7 mm	68 х 55 mm	73 x 59 mm	100 x 63.5 mm
Compression Ratio:	12.5:1	11.2:1	11.2:1		9.7:1	7.1:1	10.0:1	9.5:1	12.7:1	9.7:1	12.2:1	11.4:1
Cooling System:	Liquid. High capacity large trapezoidal-shaped radiator which includes compact cooling fan assembly designed for improved air flow.	Liquid cooled	Liquid cooled	Liquid Cooled	Air cooled	Air cooled	Air cooled	Air cooled	Liquid cooled	Air cooled	Liquid cooled	Liquid cooled
Induction:	New 32 bit ECM features 1024 kilobytes of ROM for maximum engine performance working in conjunction with the new S-DMS engine management system	Fuel Injection	Fuel Injection	Bosch Injection	2x 34mm Mikuni carburetor	Mikuni VM36SS carburetor	26mm Mikuni BDS26 carburetor	Twin-bore electronic fuel injection, 43mm throttle bodies and throttle position sensor	Dell’Orto fuel-Injection	2 x 34 mm Mikuni carburettors	Fuel Injection	Weber Marelli electronic fuel injection, 54 mm throttle body
Starting:	Electric	Electric	Electric	Electric	Electric	Kick	Electric	Electric	Electric	Electric	Electric	Electric
Max Power:	110.3 kW / 148 hp @ 12800 rpm	20.1 hp / 14.7 kW) @ 7500 rpm	11 kW / 15 hp @ 9000 rpm	32 kW / 43 hp @ 9500 rpm	45 hp / 32.8 kW @ 10000 rpm	22.5 kW / 30.5 hp @ 8000 rpm	21 hp / 15.4 kW @ 8000 rpm	98.6 hp / 72.0 kW @ 4250 rpm	78 kW / 105 hp @ 9000 rpm	40 hp / 29.8 kW @ 8500 rpm	147.5 hp / 107.7 kW) @ 10000 rpm	100 kW / 136 hp @ 9750 rpm
Max Torque:	86.3 Nm / 8.8 kgf-m / 64 ft-lb @ 11200 rpm	21 Nm / 15.5 lb-ft @ 6000 rpm	12.4 Nm / 1.25 kg-m @ 8000 rpm	37 Nm / 27.2 lb-ft	3.5 kgf-m / 25 lb-ft@ 8000 rpm	27.5 Nm / 2.79 kgf-m / 20.2 lb-ft @ 7500 rpm	2.1 kgf-m / 15.2 ft-lb @ 6,000 rpm	166.7 Nm / / 17 kg-m / 123 ft-lb @ 2250 rpm	87 Nm / 63.4 lb-ft @ 8,000 rpm	3.5 kgf-m / 25.3 lb-ft @ 7000 rpm	108 Nm / 79.7 lb-ft @ 9500 rpm	106 Nm / 10.8 kgf-m / 78.1 ft-lb @ 8000rpm
Transmission:	6 Speed, constant mesh	Automatic	6 Speed	6 Speed	6 Speed	5 Speed	5 Speed	5 Speed	6 Speed	5 speed constant mesh	6 Speed	6 Speed
Final Drive:	Chain, RK525ROZ5Y, 116 links	Belt	Chain	520 X-Ring	Chain	Chain, DAIDO DID 520UB, 110 links	Chain	Belt	Chain 520 X-Ring	shaft	Chain	Chain
Front Suspension:	Showa inverted 41 mm cartridge front forks fully adjustable for high and low speed compression, spring preload, and rebound damping	Telescopic fork, 110mm wheel travel.	Upside-down telescopic fork, Ø 41 mm	USD WP APEX 43	35mm Telescopic forks	Telescopic phneumatic/coil spring, oil dampened	33 mm Telescopic fork with 140mm wheel travel.	46mm telescopic forks,	43mm WP upside-down	Telescopic forks	Inverted telescopic, coil spring, oil damped	Öhlins 43mm upside-down fully adjustable fork with TiN surface treatment
Rear Suspension:	Showa 41mm aluminum alloy rear shock with a 16mm rod diameter are fully adjustable for high and low speed compression, spring preload and rebound damping	Unit swing, 95mm wheel travel.	Linked monoshock with spring preload adjustment	WP APEX - Monoshock	Single shock, adjustable spring preload	Swingarm. gas/oil dampened spring, 3-way adjustable	Dual shock Swinging arm with 100mm wheel travel.	Single shock, link-type,	WP shock absorber with preload adjuster	Dual shocks with preload adjustment	Link type, single shock, coil spring, oil damped	Progressive linkage with fully adjustable Öhlins monoshock
Rear Brakes:	Single 220 mm disc, Tokico 2 piston caliper	Single 240mm disc	Single 230mm disc	Single 230 mm disc 1 piston floating calliper	Drum	Drum, internal expanding	130mm drum	Single 320mm disc 4 piston caliper	Single 240mm disc	200 mm Drum	Single 240mm disc ABS	Single 245mm disc, 2 piston caliper
Front Tyre:	120/70 ZR17	120/70-M15	110/80 -17	110/70 R17	3.00-19	3.00-21 4PR	3.00 18	130/70 -18	Maxxis Supermaxx ST 170/20Z R17	3.00S19 4PR	120/70-ZR17	120/70 ZR17
Rear Tyre:	180/55 ZR17	140/70-M14	130/70 -17	150/60 R17	110 90-18	4.50-18 4PR	130/90-15	190/60 -17	Maxxis Supermaxx ST 182/20Z R17	140/90 15 M/C 70S	190/50 ZR17	190/50 ZR17
Fuel Capacity:	17 Litres / 4.5 US gal / 3.7 Imp gal	11.8 Liters / 3.3 gal	11.5 Litres / 3.0 gal	13.7 Liters / 3.6 US gal	15 Litres / 3.9 US gal	11.5 Litres / 3.0 US gal / 2.5 Imp gal	9.5 Litres / 2.5 US gal	17 Litres / 4.4 us gal	14 Litres / 3.7 US gal	8.6 Litres / 2.2 US gal	12 Litres / 3.2 US gal / Imp gal	15.5 Litres / 4.1 US gal / 3.4 Imp gal