Triumph Street Triple RS (2020) vs Suzuki Katana (2021) vs Kawasaki GPz 750 / Z 750GP (1984) vs Suzuki PE 400 (1980-81) vs Kawasaki H2 SX-SE Ninja (2020-21) vs Yamaha YZF 600R Thundercat (2003-04)

Comparison technical specifications

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Make:	Triumph	Suzuki	Kawasaki	Suzuki	Kawasaki	Yamaha
Model:	Street Triple RS	Katana	GPz 750 / Z 750GP	PE 400	H2 SX-SE Ninja	YZF 600R Thundercat
Years:	2020	2021	1984	1980-81	2020-21	2003-04
Engine:	Four stroke, in-line 3-cylinder, DOHC, 4 valve per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder.	Two stroke, single cylinder, piston and reed valve	Four Stroke, transverse four cylinder, DOHC, 16 valve, Supercharger Centrifugal, scroll-type	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder
Capacity:	765 cc / 46.6 cu-in	999 cc / 60.9 in	738 cc / 45.0 cu-in	397 cc / 24.2 cu-in	998 cc / 60.9 cub in	599 cc / 36.5 cu-in
Bore x Stroke:	78 x 53.4 mm	73 x 59 mm	66 х 54 mm	85 x 70 mm	76 x 55 mm	62 x 49.6 mm
Cooling System:	Liquid-cooled	Liquid cooled	Air cooled	Air cooled	Liquid cooled	Liquid cooled
Compression Ratio:	12.54:1	12.2:1	9.5:1	7.3:1	11.2:1	12.0:1
Induction:	Multipoint sequential electronic fuel injection with SAI. Electronic throttle control	Fuel Injection	4x 36mm Mikuni carburetors	Mikuni VM36SS carburetor	Fuel injection: φ40 mm x 4 with dual injection	4 x 36 mm Keihin CV downdraft carburetors
Ignition:	Digital - inductive type	Digital transistorized	Digital	Capacitor-discharge, external-rotor magneto	Digital	Digital TCI
Starting:	Electric	Electric	Electric	Kick	Electric	Electric
Max Power:	121.3 hp / 123 PS / 90 kW @ 11,750 rpm	147.5 hp / 107.7 kW) @ 10000 rpm	87 hp / 63.5 kW @ 9500 RPM (rear tyre 77 hp @ 9550 rpm)	27.7 kW / 37.69 hp @ 7000 rpm	197.3 hp / 147.1 kW @ 11000 rpm	72.9 kW / 100 hp @ 11500 rpm
Max Torque:	79 Nm / 58.3 lb-ft @ 9,350 rpm	108 Nm / 79.7 lb-ft @ 9500 rpm	6.4 kgf-m / 46.2 lb-ft @ 7500 rpm	40 Nm / 29.47 lb-ft @ 6000 rpm	137.3 Nm / 101.3 ft-lb @ 9500 rpm	65.7 Nm / 6.7 kgf-m / 48.7 lb-ft @ 9500 rpm
Transmission:	6 Speed with Triumph Shift Assist	6 Speed	5 Speed	5 Speed	6-speed, return, dog-ring	6 Speed
Final Drive:	X ring chain	Chain	Chain	Chain	Chain	530 O-ring chain OEM sprocket sizes per tooth Front= 15 Back= 47
Front Suspension:	Showa 41 mm upside down big piston forks (BPF), Adjustable compression damping, rebound damping and preload adjustment	Inverted telescopic, coil spring, oil damped	Air assisted forks	36mm Air asissted telescopic forks	43 mm Inverted fork with rebound and compression damping, spring preload adjustability and top-out springs	41 mm telescopic fork adjustable preload, compression and rebound damping
Rear Suspension:	Öhlins STX40 fully-adjustable piggyback reservoir RSU	Link type, single shock, coil spring, oil damped	Single shock swinging arm,	KYB dual shocks with adjustable pre-load	Uni-Trak with gas-charged shock, piggyback reservoir, dual-range (high/low-speed) compression damping, rebound damping and preload adjustability, and top-out spring	Monoshock adjustable preload, bump and rebound
Rear Brakes:	Single 220mm disc, Brembo single-piston caliper	Single 240mm disc ABS	Single 210mm disc	Drum	Single 250mm disc, opposed 2-piston calipers	Single 245mm disc, 2 piston caliper
Front Tyre:	120/70 ZR17 Pirelli Diablo Supercorsa SP V3	120/70-ZR17	110/90-18	3.00-21	120/70 ZR17 M/C (58W)	120/60-17
Rear Tyre:	180/55 ZR17 Pirelli Diablo Supercorsa SP V3	190/50 ZR17	130/80-18	5.10-18	190/55 ZR17 M/C (75W)	160/60-17
Trail:	100 mm / 3.9 in	100 mm / 3.9 in	91 mm / 3.5 in	125 mm / 4.9 in	103 mm / 4.0 in	97 mm / 3.82 in
Wheelbase:	1405 mm / 55.3 in	1460 mm / 57.5 in	1425 mm / 56.1 in	1461 mm / 57.5 in	1480 mm / 58.3 in	1415 mm / 55.7 in
Seat Height:	825 mm / 32.5 in	825 mm / 32.5 in	760 mm / 29.9 in	946 mm / 37.2 in	835 mm / 32.8 in	810 mm / 31.7 in
Fuel Capacity:	17.4 Litres / 4.6 US gal / 3.8 Imp gal	12 Litres / 3.2 US gal / Imp gal	18 Litres / 4.7 US gal	10.6 Litres / 2.8 US gal	19 Litres / 5 US gal	19 Litres / 5.0 US gal / 4.2 Imp gal