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)

Comparison technical specifications

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Make:	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha
Model:	RD 200	WR 250F	RD 250	WR450F	MT-125
Years:	1976	2015-16	1976	2015-16	2023
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
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
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
Cooling System:	Air cooled	Liquid cooled,	Air cooled	Liquid cooled	Liquid cooled
Compression Ratio:	7.1:1	13.5:1	6.7:1	12.3:1	11.2:1
Lubrication:	Autolube	Dry sump	Autolube	Dry sump	Wet sump
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
Ignition:	Battery coil	TCI: Transistor Controlled Ignition	Battery and coil with breaker points	CDI	TCI (digital)
Starting:	Electric & Kick	Electric / Kick	Kick	Electric & kick	Electric
Clutch:	Wet multi-plate	Wet, multiple discs, cable operated	Wet multi-plate	Wet, multi-disc	Wet, multi-disc, coil spring
Transmission:	5 Speed	5 Speed	6 Speed	5-Speed, constant mesh	6-Speed, constant mesh
Final Drive:	Chain	#520 Chain	Chain	Chain	Chain
Front Suspension:	Telescopic forks	KYB Speed-Sensitive System	Telescopic forks	48mm Upside down telescopic fork	41mm Upside-down telescopic fork
Rear Suspension:	Dual shocks	KYB Fully adjustable single shock	Dual shocks	Swingarm, link suspension, mono shock	Linked monoshock with spring 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
Rear Brakes:	Drum	Single 245mm disc 1 piston caliper	Drum	Single 245 mm disc 2 piston caliper	Single 220 mm hydraulic disc
Front Tyre:	2.75-18-4PR	80/100-21	3.00S-18-4PR	80/100-21 51P	100/80-17 M/C 52S
Rear Tyre:	3.25-18-4PR	100/100-18	3.50S-18-4PR	120/90-18 65P	140/70-17 M/C 66S
Dimensions:	Length 1945 mm / 76.5 in Width 755 mm / 29.7 in Height 980 mm / 38.5 in	Height 1280 mm / 50.4 in Width 965 mm / 38.0 in Length 2164 mm / 85.2 in	Length 2030 mm / 79.9 in Width 830 mm / 32.6 in Height 1085 mm / 42.7 in	Length: 2315 mm / 91.1 in Width: 825 mm / 32.5 in Height: 1275 mm / 50.2 in	Length 1960 mm / 77.1 in Width 800 mm / 31.4 in Height 1065 mm / 41.9 in
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
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
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