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) vs Yamaha TT 600R (2000-01) vs Yamaha WR 250F (2016)

Comparison technical specifications

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Make:	Yamaha	Yamaha	Honda	Honda	Yamaha	Honda	Yamaha	Yamaha	Yamaha
Model:	IT 175	WR 250R	CBR 400F	MTX 125R	XT 660X	CBX 400F	XMAX 125	TT 600R	WR 250F
Years:	1983	2014	1984	1984-85	2007	1981-82	2014-15	2000-01	2016
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	Four stroke, single cylinder, SOHC, 4 Valve	Four stroke, single cylinder, DOHC, 4 valve
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	595 cc / 36.5 cu-in	249 cc / 15.2 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	95 x 84 mm	77 x 53.6 mm
Cooling System:	Air cooled	Liquid cooled	Air cooled	Liquid cooled	Liquid cooled	Air 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	8.5 :1	11.8:1
Induction:	32mm Mikuni carburetor	Electronic fuel injection	VE53 carburetor	24mm Keihin carburetor	Fuel injection, 44 mm throttle body	4x 26mm Keihin carburetor	Fuel Injection	26mm Dual stage Teikei Y26PV carburetor26mm Dual stage Teikei Y26PV carburetor	Yamaha Fuel Injection (YFI) Keihin 44mm
Ignition:	CDI	TCI	CDI	CDI	TCI	CDI	Electronic ECU	CDI	TCI: Transistor Controlled Ignition
Starting:	Kick	Electric	Electric	Kick	Electric	Electric	Electric	Kick	Electric / Kick
Front Suspension:	Telescopic forks	Telescopic forks	Telescopic forks	Air adjustable hydraulic forks	43 mm Telescopic forks,	35mm Kayaba forks	Hydraulic telescopic fork	Telescopic forks	KYB Speed-Sensitive System
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	Alloy swinging arm single shock with adjustable dampers	KYB Fully adjustable single shock
Front Brakes:	Drum	Single 250mm disc	2x discs	Drum	Single 320mm disc 4 piston caliper	Single 229mm disc	Single 267mm disc	Single 267mm disc	Single 250mm disc 2 piston caliper
Rear Brakes:	Drum	Single 230mm disc	Single disc	Drum	Single 245mm disc 1 piston caliper	Single 229mm disc	Single 240mm disc	Single 220mm disc	Single 245mm disc 1 piston caliper
Front Tyre:	3.00 x 21	80/100 -21	100/90 -16	2.75 -21	120/700-17	3.60 H18	120/70-M15	90/90-21	80/100-21
Rear Tyre:	4.10 x 18	120/80 -18	100/90 -18	4.10 -18	160/60-17	4.10 H18	140/70-M14	130/90-18	100/100-18
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	10 Litres / 2.6 US gal	7.5 Litres / 2.0 gal