Yamaha IT 175 (1983) vs Yamaha WR 250R (2014) vs Honda CBR 400F (1984) vs Honda MTX 125R (1984-85) vs Yamaha XT 660X (2007) vs Honda CBX 400F (1981-82) vs Yamaha XMAX 125 (2014-15)

Comparison technical specifications

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Make:	Yamaha	Yamaha	Honda	Honda	Yamaha	Honda	Yamaha
Model:	IT 175	WR 250R	CBR 400F	MTX 125R	XT 660X	CBX 400F	XMAX 125
Years:	1983	2014	1984	1984-85	2007	1981-82	2014-15
Engine:	Two stroke, single cylinder, reed-valve inducted	Four stroke, single cylinder, DOHC, 4 valve	Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder.	Two stroke, single cylinder.	Four stroke, single cylinder, SOHC, 4 valve	Four stroke, transverse four cylinder. DOHC, 4 valve per cylinder	Four stroke, single cylinder
Capacity:	171 cc / 10.4 cu-in	249 cc / 15.2 cub in.	399 cc / 24.3 cu-in	124 cc / 7.6 cu-in	659 cc/ 40.2 cu-in	399 cc / 24.3 cu-in	124 cc / 7.6 cu-in
Bore x Stroke:	66 x 50mm	77 x 53.6 mm	55 x 42 mm	56 х 50.6 mm	100 x 84 mm	55 x 42 mm	52 x 58.6 mm
Cooling System:	Air cooled	Liquid cooled	Air cooled	Liquid cooled	Liquid cooled	Air cooled	Liquid cooled
Compression Ratio:	7.9:1	11.8:1	9.6:1	7.6:1	10: 1	9.8:1	11.2:1
Induction:	32mm Mikuni carburetor	Electronic fuel injection	VE53 carburetor	24mm Keihin carburetor	Fuel injection, 44 mm throttle body	4x 26mm Keihin carburetor	Fuel Injection
Ignition:	CDI	TCI	CDI	CDI	TCI	CDI	Electronic ECU
Starting:	Kick	Electric	Electric	Kick	Electric	Electric	Electric
Max Power:	19.86 hp / 14.6 kW @ 8000 rpm	22.6 kW / 30.7 hp @ 10,000 rpm	58 hp / 43.2 kW @ 12300 rpm	18.1 hp / 13.4 kW @ 8700 rpm	33.8 kW / 48 hp @ 6000 rpm	48 hp / 35.7 kW @ 10500 rpm	13.8 hp / 10.1 kW @ 8750 rpm
Max Torque:	18.47 Nm / 13.63 lb-ft @ 7500 rpm	23.7 Nm / 2.42 kgf-m / 17.48 @ 8000 rpm	3.6 kgf-m / 26.0 lb-ft @ 11000 rpm	15.5 Nm / 11.5 lb-ft @ 7200 rpm	58.4 Nm / 5.7 kgf-m @ 5250 rpm	33.3 Nm / lb-ft @ 9000 rpm	11.33 Nm / 8.4 lb-ft @ 6500 rpm
Transmission:	6 Speed	6 Speed, constant mesh	6 Speed	6 Speed	5 Speed	6 Speed	Automatic
Final Drive:	Chain	Chain	Chain	Chain	Chain	Chain	Belt
Front Suspension:	Telescopic forks	Telescopic forks	Telescopic forks	Air adjustable hydraulic forks	43 mm Telescopic forks,	35mm Kayaba forks	Hydraulic telescopic fork
Rear Suspension:	Monoshock with adjustable damping and pre-load	Swingarm link suspension	Swinging arm	Pro-link non adjustable	Oscillating arm standard Monocross.	Single air shock	Hydraulic unit swing
Front Brakes:	Drum	Single 250mm disc	2x discs	Drum	Single 320mm disc 4 piston caliper	Single 229mm disc	Single 267mm disc
Rear Brakes:	Drum	Single 230mm disc	Single disc	Drum	Single 245mm disc 1 piston caliper	Single 229mm disc	Single 240mm disc
Front Tyre:	3.00 x 21	80/100 -21	100/90 -16	2.75 -21	120/700-17	3.60 H18	120/70-M15
Rear Tyre:	4.10 x 18	120/80 -18	100/90 -18	4.10 -18	160/60-17	4.10 H18	140/70-M14
Fuel Capacity:	11 Litres / 2.9 US gal	7.6 Litres	18 Litres / 4.7 US gal	9 Litres / 2.3 US gal	15 Litres / 3.9 gal	18 Litres / 4.7 US gal	12.5 Litres / 3.3 gal