Yamaha TX 750 (1972) vs Kawasaki Z 305LTD () vs Hyosung GT 250R (2015-17)

Comparison technical specifications

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Make:	Yamaha	Kawasaki	Hyosung
Model:	TX 750	Z 305LTD	GT 250R
Years:	1972		2015-17
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.
Capacity:	743 cc / 45.3 cu-in	305 cc / 18.6 cu-in	248 cc / 15.2 cu-in
Bore x Stroke:	80 x 74 mm	61.0 x 52.4 mm	57 x 48.8 mm
Cooling System:	Air cooled	Air cooled	Oil / Air
Compression Ratio:	8.8:1	9.7:1	10.2:1
Induction:	Carburetor	2x 32mm Mikuni carburetor	Electronic fuel Injection
Ignition:		Breaker point	Digital CDI
Starting:	Electric & Kick	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
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
Transmission:	5 Speed	6 Speed	5 Speed
Final Drive:	Chain	Belt	Chain
Front Suspension:	Telescopic forks	Telescopic forks	41mm Upside down Telescopic
Rear Suspension:	Dual shock	Swing arm	Swing arm with Progressive linkage Hydraulic Mono shock absorber (Preload adjustable)
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
Rear Brakes:	180mm Drum	Drum	Single 230mm disc 2 piston caliper
Front Tyre:	3.50-19	3.00 -18	110/70 -17
Rear Tyre:	4.00-18	120/90-16	150/70 -17
Wheelbase:	1455 mm / 57.3 in	1355 mm / 53.3 in	1435 mm / 56.5 in
Seat Height:	810 mm / 32 in	750 mm / 29.5 in	790 mm / 32.6 in
Ground Clearance:	160 mm / 6.3 in	150 mm / 5.9 in	155mm / 6.1 in
Fuel Capacity:	14 Litres / 3.7 US gal	16.5 Litres / 4.3 US gal	17 Litres / 4.4 US gal