Yamaha RD 200 (1976) vs Yamaha WR 250F (2015-16) vs Yamaha RD 250 (1976) vs Yamaha WR450F (2015-16) vs Yamaha MT-125 (2023) vs Yamaha XT 500 (1976) vs Yamaha IT 400 (1976) vs Yamaha XT 600E (1995-96)

Comparison technical specifications

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Make:	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha
Model:	RD 200	WR 250F	RD 250	WR450F	MT-125	XT 500	IT 400	XT 600E
Years:	1976	2015-16	1976	2015-16	2023	1976	1976	1995-96
Engine:	Two stroke, torque induction, parallel twin	Four stroke, single cylinder, DOHC, 4 valve	Two stroke, torque induction, parallel twin	Four stroke, Single cylinder, DOHC, 5 valves	Four stroke, single cylinder, SOHC, 4-valves with Variable Valve Actuation	Four stroke, single cylinder, SOHC, 2 valve	Two stroke, single cylinder, read valve	Four stroke, single cylinder, SOHC, 4 valve
Capacity:	195 cc / 11.8 cu-in	249 cc / 15.2 cu-in	247 cc / 15.0 cu-in	449 cc / 27.4 cu in	124.7 cc / 7.6 cub-in	499 cc / 30.5 cuin	396 cc / 24.2 cu-in	595 cc / 36.3 cu-in
Bore x Stroke:	52 х 46 mm	77 x 53.6 mm	54 х 54 mm	95 x 63.4 mm	52 x 58.6 mm	87 х 84 mm	85 x 70 mm	95 x 84 mm
Cooling System:	Air cooled	Liquid cooled,	Air cooled	Liquid cooled	Liquid cooled	Air cooled	Air cooled	Air/oil cooled
Compression Ratio:	7.1:1	13.5:1	6.7:1	12.3:1	11.2:1	9.0 :1	7.4:1	8.5:1
Induction:	2x Y20P Carburetors	Yamaha Fuel Injection (YFI) Keihin 44mm	2x Mikuni VM28 SC carburetor	39mm Keihin FCR flat-slide throttle position sensor	Electronic fuel injection	32mm Mikuni VM32SS carburetor	VM38SS Mikuni carburetor	Single 28mm Y26PV carburetor
Ignition:	Battery coil	TCI: Transistor Controlled Ignition	Battery and coil with breaker points	CDI	TCI (digital)	Magneto, CB/coil	CDI	T.C.I.
Starting:	Electric & Kick	Electric / Kick	Kick	Electric & kick	Electric	Kick	Kick	Electric
Transmission:	5 Speed	5 Speed	6 Speed	5-Speed, constant mesh	6-Speed, constant mesh	5 Speed	5 Speed	5 Speed
Final Drive:	Chain	#520 Chain	Chain	Chain	Chain	Chain	Chain	Chain
Front Suspension:	Telescopic forks	KYB Speed-Sensitive System	Telescopic forks	48mm Upside down telescopic fork	41mm Upside-down telescopic fork	Leading axle coil spring fork	Telescopic adjustable forks	41mm Telescopic forks, oil damped
Rear Suspension:	Dual shocks	KYB Fully adjustable single shock	Dual shocks	Swingarm, link suspension, mono shock	Linked monoshock with spring preload adjustment	Swing arm adjustable preload	Monoshock, adjustable spring preload and rebound damping	Monocross with preload adjustment,
Front Brakes:	Single 245 mm disc	Single 250mm disc 2 piston caliper	Single disc	Hydraulic single 250 mm disc 4 piston caliper	Single 292 mm hydraulic disc	Single 160mm drum	Drum	Single 267mm discs 2 piston caliper
Rear Brakes:	Drum	Single 245mm disc 1 piston caliper	Drum	Single 245 mm disc 2 piston caliper	Single 220 mm hydraulic disc	Single 150mm drum	Drum	Single 220mm disc single piston caliper
Front Tyre:	2.75-18-4PR	80/100-21	3.00S-18-4PR	80/100-21 51P	100/80-17 M/C 52S	3.00-21	3.00 x 21	90/90-21
Rear Tyre:	3.25-18-4PR	100/100-18	3.50S-18-4PR	120/90-18 65P	140/70-17 M/C 66S	4.00-18	4.50 x 18	120/90-17
Wheelbase:	1240 mm / 48.8 in	1,466 mm / 57.7 in	1325 mm / 52.1 in	1475 mm / 58.1 in	1325 mm / 52.1 in	1415 mm / 55.7 in	1425 mm / 56.1 in	1440 mm / 56.7"
Ground Clearance:	155 mm / 6.1 in	325 mm / 12.8 in	150 mm / 5.9 in	335 mm / 13.2 in	160 mm / 6.3 in	215 mm / 8.4 in	250 mm / 9.8 in	230 mm / 9.1"
Fuel Capacity:	11.5 Litres / 3.0 US gal	7.5 Liters / 2.0 gal	16.5 Liters / 4.2 US gal	7.2 Litres / 1.9 US gal	11 Litres / 2.9 US gal	8.8 Litres / 2.3 US gal	12 Litres / 3.2 US gal	15 Litres / 4.0 US gal