Yamaha XV 920R (1981-82) vs Yamaha IT 400 (1977-78) vs Yamaha XP 500 T-Max (2007-09) vs Yamaha DT 125RE (1999) vs Yamaha IT 490 (1983) vs Yamaha WR 250Z (1998)

Comparison technical specifications

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Make:	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha
Model:	XV 920R	IT 400	XP 500 T-Max	DT 125RE	IT 490	WR 250Z
Years:	1981-82	1977-78	2007-09	1999	1983	1998
Engine:	Four stroke, 75° V-twin cylinder, SOHC. 2 valve per cylinder	Two stroke, single cylinder, read valve	Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder.	Two stroke, single cylinder, reed-valve	Two stroke, single cylinder, read valve	Two stroke, single cylinder
Capacity:	920 cc / 56.1 cu-in	396 cc / 24.1 cu-in	499 cc / 30.4 cu-in	123 cc / 7.5 cu-in	487 cc / 29.7 cu-in	249 cc / 15.2 cu-in
Bore x Stroke:	92 х 69.2 mm	85 x 70 mm	66 x 73 mm	56 X 50 mm	87 x 82 mm	68 x 68.8 mm
Compression Ratio:	8.3:1	7.6:1	10.9:1	6.8:1	4.9;1	10.9:1
Induction:	2x 40mm Hitachi carburetor	VM38SS Mikuni carburetor	Mikuni 34 mm throttle body Electronic Fuel Injection	Mikuni 28 SS	VM38SS Mikuni carburetor	Mikuni VM38SS carburetor
Ignition:	Transistorized	CDI	TCI	CDI	CDI	CDI
Max Power:	65 hp / 48.4 Kw @ 6500 rpm	40 hp / 29.8 kW @ 7000 rpm	33.5 kW / 45. hp @ 6750 rpm	14.7 / 10.8 kW @ 7000 rpm	35 hp @ 6000 rpm	49.8 hp / 37.2 kW @ 8250 rpm
Max Torque:	7.8 kgf-m / 56.4 lb-ft @ 5000 rpm	30.9 lb-ft / 41.8 Nm @ 6000 rpm	52.3 Nm / 38.6 lb-ft @ 5200 rpm	1.7 kgf-m / 16.3 Nm @ 7000 rpm	31 lb-ft @ 5500 rpm	4.69 kgf-m / 44.5 Nm @ 7500 rpm
Transmission:	5 Speed	5 Speed	Fully automatic CVT	6 speed	5 Speed	5 Speed
Final Drive:	Shaft	Chain	V-Belt	Chain	Chain	Chain
Front Suspension:	37mm Showa leading axle. adjustment for air pressure and rebound damping	43mm Telescopic adjustable forks	43mm Telescopic forks	41mm Telescopic forks	43mm Telescopic adjustable forks	43mm inverted fork
Front Wheel Travel:	145 mm / 5.7 in	300 mm / 11.8 in	120 mm / 4.7 in	170 mm /	300 mm / 11.8 in	300 mm / 11.8 in
Rear Suspension:	Monoshock single damper, adjustment for air pressure and rebound damping	Mono shock, adjustable spring preload and rebound damping	Swingarm - single shock	Monocross linkage	Mono shock, adjustable spring preload and rebound damping	Monocross, swinging arm
Rear Wheel Travel:	87 mm / 3.4 in	300 mm / 11.8 in	116 mm / 4.6 in	200 mm / 7.9 in6.6 in	300 mm / 11.8 in	315 mm / 12.4 in
Front Brakes:	2x 267mm disc 2 piston calipers	Drum	2x 267 discs	Single 230mm disc	Drum	Single 204mm disc
Rear Brakes:	Drum	Drum	Single 267 disc	Single 220mm disc	Drum	Single 189mm disc
Front Tyre:	3.50-19	3.00 -21	120/70-15	80/90 -21	3.00 -21	80/100-21
Rear Tyre:	120/90-18	150/80 -18	160/60-15	110/80 -18	150/80 -18	110/100-18
Fuel Capacity:	14.5 Litres / 3.8 US gal	13.6 Litres / 3.4 US gal	15 Litters / 3.9 US gal	10 Litres / 2.2 gal	13.6 Litres / 3.6 US gal	13 Litres / 3.4 US gal