Yamaha TX 750 (1972) vs Kawasaki Z 305LTD () vs Hyosung GT 250R (2015-17) vs BMW R 1150GS (1999) vs Moto Guzzi Stelvio 1200 8V (2013-14) vs Suzuki DL 650XT V-Strom (2021-22) vs Suzuki Boulevard S40 (2005-06) vs Triumph Rocket III Roadster (2010)

Comparison technical specifications

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Make:	Yamaha	Kawasaki	Hyosung	BMW	Moto Guzzi	Suzuki	Suzuki	Triumph
Model:	TX 750	Z 305LTD	GT 250R	R 1150GS	Stelvio 1200 8V	DL 650XT V-Strom	Boulevard S40	Rocket III Roadster
Years:	1972		2015-17	1999	2013-14	2021-22	2005-06	2010
Engine:	Four stroke, parallel twin cylinders, SOHC 2 valve per cylinder	Four stroke, parallel twin, SOHC, 2 Valve per cylinder.	Four stroke, 75° V twin, DOHC, 4 per valve cylinder.	Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder	Four stroke, 90° V twin, longitudinally mounted, OHV, 4 valve per cylinder.	Four stroke, 90°V-twin, DOHC, 4 valves per cylinder	Four stroke, single cylinder, SOHC	Four stroke, longitudinal three cylinder, DOHC, 4 valves per cylinder.
Capacity:	743 cc / 45.3 cu-in	305 cc / 18.6 cu-in	248 cc / 15.2 cu-in	1130 cc / 69 cu in	1151 cc / 70.2 cu-in	645 cc / 39.4 cu-in	652 cc / 39.8 cu-in	2294 cc / 140 cu in
Bore x Stroke:	80 x 74 mm	61.0 x 52.4 mm	57 x 48.8 mm	101 x 70.5 mm	95 x 81.2 mm	81 x 62.6 mm	94 x 94.0 mm	101.6 x 94.3 mm
Cooling System:	Air cooled	Air cooled	Oil / Air	Air/Oil cooled	Air cooled,	Liquid cooled	Air cooled	Liquid cooled
Compression Ratio:	8.8:1	9.7:1	10.2:1	10.3:1	11.0:1	11.2:1	8.5:1	8.7:1
Induction:	Carburetor	2x 32mm Mikuni carburetor	Electronic fuel Injection	Bosch Motronic MA 2.4 Fuel injection	Weber-Marelli electronic fuel injection with stepper motor control	Fuel Injection, SDTV-equipped	Mikuni BS40	Multipoint sequential electronic fuel injection
Ignition:		Breaker point	Digital CDI	Electronic ignition MA 2.2 Bosch Motronic	Inductive discharge, digitally controlled, electronic twin spark ignition	Electronic Ignition (transistorized)	Transistorized	Digital inductive type via electronic engine management
Starting:	Electric & Kick	Electric	Electric	Electric	Electric	Electric	Electric	Electric
Max Power:	63 hp / 45.9 kW @ 6100 rpm	30 hp / 22.3 kW @ 9000 rpm	20.6 kW / 27.6 hp @10500 rpm	62.5 kW / 85 hp @ 6750 rpm (rear tyre 58.9 kW / 79 hp @ 6750 rpm)	105 hp / 77 kW @ 7250 rpm	69 hp / 50.4 kW) @ 8000 rpm	23 kW / 31 hp @5400 rpm	109 kW 146 hp @ 5750rpm
Max Torque:	7 kgf-m / 50.6 lb-ft @ 6000 rpm	2.5 kg-m / 18.0 lb-ft @ 7000 rpm	21.1 Nm / 15.5 lb-ft @7000 rpm	98 Nm / 10.0 kgf-m / 71 lb-ft @ 5250 rpm	113 Nm / 83.3 lb-ft @ 5800 rpm	69 Nm / 50.9 lb-ft @ 6400 rpm	50 Nm / 5.1 kgf-m / 37 lb-ft @3400 rpm	221Nm / 22.5 kgf-m / 163 ft.lbs @ 2750rpm
Transmission:	5 Speed	6 Speed	5 Speed	6 Speed	6 Speed	6 Speed	5 Speed	5 Speed, constant mesh
Final Drive:	Chain	Belt	Chain	Shaft	Shaft	Chain	Belt	Shaft
Front Suspension:	Telescopic forks	Telescopic forks	41mm Upside down Telescopic	Light. Telelever with central spring strut, progressive coil spring, twin-tube gas-filled shock,	Completely adjustable upside-down fork spring preload and hydraulic compression and rebound damping with mounting bracket for radial brake calliper,	43mm Telescopic, coil spring, oil damped	Telescopic 38 mm stanchions, coil spring, oil damped	Kayaba 43 mm upside down forks
Rear Suspension:	Dual shock	Swing arm	Swing arm with Progressive linkage Hydraulic Mono shock absorber (Preload adjustable)	Patented BMW Paralever swing arm & shaft drive, single shock with variable rebound and damping adjustments	Single-sided swing-arm with progressive linkage and monoshock with adjustable hydraulic rebound and dial for setting spring preload	Link type, with adjustable rebound and spring preload	Twin shock, 5-way adjustable spring preload	Kayaba black spring twin shocks with 5 position adjustable preload
Front Brakes:	Single or dual 300mm disc 2 piston calipers (In Japan, the United States, and other markets the bike had a single disc, although the lugs needed to mount a second disc were in place. )	Single 255mm disc	Single 300mm disc 2 piston caliper	2 x 304mm discs, 4 piston calipers	2x 320mm discs 4 piston caliper, ABS	2 x 310 mm disc, 2 piston calipers	265 mm Single disc	2 x 320 mm Discs, 4 piston calipers
Rear Brakes:	180mm Drum	Drum	Single 230mm disc 2 piston caliper	Single 276mm disc, 2 piston caliper	Single 282mm disc 2 piston caliper, ABS	Single 260 mm disc, 1 piston caliper	Drum, rod operated	Single 316 mm disc, 2 piston caliper
Front Tyre:	3.50-19	3.00 -18	110/70 -17	110/80 R19	110/80 ZR19	110/80R19 M/C (59V), tubeless	100/90-19 57H, tube type	150/80 V17
Rear Tyre:	4.00-18	120/90-16	150/70 -17	150/70 R17	180/55 ZR17	150/70R17 M/C (69V), tubeless	140/80-15 67H, tube type	250/50 V16
Wheelbase:	1455 mm / 57.3 in	1355 mm / 53.3 in	1435 mm / 56.5 in	1,501 mm / 59.1 in	1535 mm / 60.4 in.	1560 mm / 61.4 in	1480 mm / 58.3 in	1695 mm / 66.7 in
Seat Height:	810 mm / 32 in	750 mm / 29.5 in	790 mm / 32.6 in	850 mm / 33.5 in	810 mm / 31.9 in (1.2 in / 30mm with lowered gel saddle available as an option)	835 mm / 32.9 in	700 mm / 27.6 in	750 mm / 29.5 in
Fuel Capacity:	14 Litres / 3.7 US gal	16.5 Litres / 4.3 US gal	17 Litres / 4.4 US gal	22 Litres / 5.8 US gal	23 Litres / 6.0 US gal	20 Litres / 5.3 US gal	10.5 Litres / 2.6 US gal	24 Litres / 6.3 US gal / 5.3 Imp gal