Kawasaki ZX-6R Ninja (1999) vs Yamaha YZF 750R (1995) vs Yamaha YDS-7 (1972) vs Ducati 350GTV (1977-81) vs Yamaha TDR 125R (2001-02) vs Yamaha RD 250 (1972) vs Suzuki RF 400R (1995-96) vs Moto Guzzi V7 II Dark Rider Kit (2015) vs Yamaha XS 750 (1976)

Comparison technical specifications

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Make:	Kawasaki	Yamaha	Yamaha	Ducati	Yamaha	Yamaha	Suzuki	Moto Guzzi	Yamaha
Model:	ZX-6R Ninja	YZF 750R	YDS-7	350GTV	TDR 125R	RD 250	RF 400R	V7 II Dark Rider Kit	XS 750
Years:	1999	1995	1972	1977-81	2001-02	1972	1995-96	2015	1976
Engine:	Four stroke, transverse four cylinders, DOHC, 4 valve per cylinder	Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder.	Two stroke, piston-port, parallel twin	Four stroke, parallel twin cylinder, SOHC, 2 valves per cylinder.	Two stroke, single cylinder	Two stroke, torque induction, parallel twin	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, V twin, longitudinally mounted, OHV, 2 valves with light alloy pushrods and rockers.	Four stroke, transverse three cylinder, DOHC, 2 valves per cylinder.
Capacity:	598cc / 36.5 cub in.	749 cc / 45.7 cu-in	247 cc / 15.0 cu-in	349.6 cc / 21.3 cu in	124 cc / 7.6 cu-in	247 cc / 15.0 cu-in	398 cc / 24.3 cu in	744 cc / 45.4 in	747 cc / 45.6 cu in
Bore x Stroke:	64 x 46.6 mm	72 x 46 mm	54 x 54 mm	71.8 x 43.2 mm	56 x 50.7 mm	54 х 54 mm	40.4 x 56 mm	80 x 74 mm	68 x 68.6 mm
Cooling System:	Liquid cooled	Liquid cooled	Air-cooled	Air cooled	Liquid cooled	Air cooled	Liquid cooled	Air cooled	Air cooled
Induction:	4 x 36mm Keihin CVKD36 carburetors	4x Mikuni BDST38 carbs	26mm Mikuni	2 x 26 mm Dell'Orto VHB 26 FS/FD	28mm Dell'Orto carburetor	2x Mikuni VM28 SC carburetor	Mikuni 32 mm carburetors	Weber- Marelli electronic injection	3 x 34mm Mikuni carburetors
Starting:	Electric	Electric	Kick	Electric	Electric	Kick	Electric	Electric	Electric
Max Power:	76.5 kW / 105 hp @ 12500 rpm	125 hp / 91.1 kW @ 12000 rpm	30 hp @7500 rpm	17.5 kW / 24 hp @ 7500 rpm	15 hp / 10.9 kW @ 9500 rpm	30 hp / 22.3 kW @ 7500 rpm	42.3 kW / 58 hp @ 11000 rpm	35 kW / 48 hp @ 6200 rpm	47.7 kW / 64 hp @ 7500 rpm
Transmission:	6 Speed	6 Speed	5 Speed Helical-gear primary drive. Rear chain % x %in with top guard. Engine rpm at 30 mph in top gear, approximately 2,500.	5-Speed	6 Speed	6 Speed	6 Speed	6 Speed	5 Speed
Final Drive:	Chain	Chain	Chain	Chain	Chain	Chain	Chain	Shaft	Shaft
Front Suspension:	41mm Showa telescopic forks.	41mm USD forks adjustable preload rebound and compression	34mm Telescopic forks	35 mm Paioli fork	41mm Telescopic forks	Telescopic forks	41mm Telescopic forks, preload adjustable.	Marzocchi Ø 40 mm telescopic front forks	Telescopic forks
Rear Suspension:	Showa sing shock, adjustable preload and rebounding preload.	Monocross adjustable preload rebound	Twin shock	Dual Marzocchi shocks, 3-way adjustable	Monoshock adjustable preload	Dual shocks	Link-type single shock, rebound and preload adjustable.	Die cast light alloy swing arm with 2 shock absorbers with adjustable spring preload	Dual shocks swing arm, preload adjustable
Front Brakes:	2 x 270mm discs, 4 piston calipers	2x 320mm discs 6 piston calipers	180mm twin leading shoe drum	2 x 256 mm Brembo discs	Single 320mm disc 2 piston caliper	Drum	2 x Discs, 4 piston caliper	Single 320mm disc 2 piston caliper	2 x 267mm Discs
Rear Brakes:	Single 130mm disc, 1 piston caliper	Single 245mm disc 2 piston caliper	180mm single leading shoe	Single 257mm Brembo disc	Single 210mm disc 1 piston caliper	Drum	Single disc, 2 piston caliper	Single 260mm disc 2 piston caliper	Single 267mm disc
Front Tyre:	120/60 ZR17	120/70 ZR17	300 x 18	3.25-18	100/80-17	3.00S-18-4PR	120/70-17	100/70-18	3.25-19
Rear Tyre:	160/60 ZR17	180/55 ZR17	3.25 x 18	3.50-18	130/70-17	3.50S-18-4PR	160/60-17	130/80-17	4.00-18
Fuel Capacity:	5.6 L/100 km / 18.2 Litres / 4.8 US gal	19 Litres / 4.3 gal	11.4 Litres / 3.0 gal	14 L / 3.7 US gal / 3.1 Imp gal	11 Litres / 2.9 US gal	16.5 Liters / 4.2 US gal	17 Litres / 4.5 US gal / 3.7 Imp gal	22 Litres / 5.8 gal	15 Litres / 4.0 US gal