Yamaha TT 600RE (2004-05) vs Kawasaki GPz 400R / ZX 400 (1985) vs Harley-Davidson Harley Davidson FLTRU Road Glide Ultra (2017-18) vs Yamaha FZX 250 Zeal (1991-99) vs Yamaha TZR 125RR Belgarda (1994-95) vs Yamaha TDR 125 (1989-92)

Comparison technical specifications

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Make:	Yamaha	Kawasaki	Harley-Davidson	Yamaha	Yamaha	Yamaha
Model:	TT 600RE	GPz 400R / ZX 400	Harley Davidson FLTRU Road Glide Ultra	FZX 250 Zeal	TZR 125RR Belgarda	TDR 125
Years:	2004-05	1985	2017-18	1991-99	1994-95	1989-92
Engine:	Four stroke, single cylinder, SOHC, 4 Valve	Four stroke, transverse four cylinder, DOHC, 4 Valve per cylinder.	Four stroke, V-Twin, Milwaukee-Eight 107, Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters, 4 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder,	Two stroke, single cylinder, read valve,	Two stroke, single cylinder
Capacity:	595 cc / 36.5 cu-in	399 cc / 24.3 cu-in	1746 cc / 107 cub in.	249 cc / 15.2 cu-in	124 cc / 7.6 cu-in	124 cc / 7.6 cu-in
Bore x Stroke:	95 x 84 mm	57 х 39 mm	100 x 111 mm	48 х 34.5 mm	56.4 x 50 mm	56 x 50.7 mm
Cooling System:	Air cooled	Liquid cooled	Air cooled	Liquid-cooled	Liquid cooled	Liquid cooled
Compression Ratio:	8.5 :1	11.5:1	10.0:1		5.9:1	6.6:1
Induction:	Teikei Y36PV carburetor26mm Dual stage Teikei Y26PV carburetor	4x Keihin CVKD30 carburetors	Electronic Sequential Port Fuel Injection (ESPFI)		Mikuni VM26SS carburetor	28mm Mikuni TM carburetor
Ignition:	CDI	CDI	Single-fire, non-wasted, map-controlled spark ignition	TCI Digital	CDI	Electronic
Starting:	Electric	Electric	Electric	Electric	Kick	Electric
Max Torque:	50 Nm / 36.8 lb-ft @ 5000 rpm	3.6 kgf-m / 26.0 lb-ft @ 10500 rpm	154 Nm / 113.6 lb-ft @ 3250 rpm	2.7 kgf-m @ 9500 rpm	1.8 kgf-m / 13 lb-ft @ 10000 rpm	2.1 kgf-m / 15.1 lb-ft @ 9500 rpm
Front Suspension:	Telescopic forks	41mm Telescopic forks	41.3 mm Telescopic, cartridge-style damping	Telescopic forks	39mm Upside-down forks	38mm Telescopic forks
Rear Suspension:	Alloy swinging arm single shock with adjustable dampers	Rising rate monoshock	Short, air-adjustable shock	Dual shocks	Monoshock adjustable preload	Monoshock with 5-way adjustable preload
Front Brakes:	Single 267mm discs 2 piston calipers	2x 300mm discs 4 piston calipers	32 mm, 4-piston fixed caliper	Single disc	Single disc 4 piston caliper	Single 282mm disc 2 piston caliper,
Rear Brakes:	Single 220mm disc 1-piston caliper	Single 240mm disc 1 piston caliper	32 mm, 4-piston fixed caliper	Single disc	Single disc 2 piston caliper	Single 220mm disc 1 piston caliper.
Front Tyre:	90/90-21	100/90-16	130/80B17 65H	110/70-17	110/70-17	100/90-18
Rear Tyre:	130/90-18	130/90-16	180/65B16 81H	140/70-17	140/70-17	130/80-17
Dry Weight:	153 kg / 337 lbs	176 kg / 388 lbs	405 kg / 893 lbs	145 kg / 349.6 lbs	121 kg / 266.7 lbs	135 kg / 297.6 lbs
Fuel Capacity:	10 Litres / 2.6 US gal	16 Litres / 4.2 US gal	22.7 Litres / 6.0 US gal	15 liters / 3.3 gal	15 Litres 3.1 US gal	11 Litres / 2.9 US gal