Yamaha YZF-R 15 V2.0 (2013-14) vs Yamaha WR450F (2013-14) vs Ducati Monster S4R Testastretta (2007) vs Yamaha WR 250R (2013) vs Yamaha WR 250F (2013-14) vs Ducati 1000 Sport Classic Biposto (2007) vs Yamaha WR 125X (2013-14) vs Ducati 1000S Sport Classic Limited Edition (2007)

Comparison technical specifications

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Make:	Yamaha	Yamaha	Ducati	Yamaha	Yamaha	Ducati	Yamaha	Ducati
Model:	YZF-R 15 V2.0	WR450F	Monster S4R Testastretta	WR 250R	WR 250F	1000 Sport Classic Biposto	WR 125X	1000S Sport Classic Limited Edition
Years:	2013-14	2013-14	2007	2013	2013-14	2007	2013-14	2007
Engine:	Four stroke, single cylinder, SOHC, 4 valve	Four stroke, Single cylinder, DOHC, 5 valves	Four stroke, 90° “L” twin cylinder, DOHC, desmodromic 4 valves per cylinder	Four stroke, single cylinder, DOHC, 4 valve	Four stroke, single cylinder, DOHC, 5 valve	Four stroke, 90° “L” twin cylinder, desmodromic 2 valves per cylinder, operated by four rocker arms (two opening rockers and 2 closing rockers) SOHC. Driven by the crankshaft through spur gears, timing belt pulleys and toothed timing belts	Four stroke, forward inclined single cylinder, DOHC, 4 valve	Four stroke, 90° “L” twin cylinder, desmodromic 2 valves per cylinder, operated by four rocker arms (two opening rockers and 2 closing rockers) SOHC. Driven by the crankshaft through spur gears, timing belt pulleys and toothed timing belts
Capacity:	149 cc / 9.15 cu-in	449 cc / 27.4 cu in	998 cc / 60.9 cu in	249 cc / 15.2 cub in.	249 cc / 15.2 cu-in	992 cc / 60.5 cu in	124.7	992 cc / 60.5 cu in
Bore x Stroke:	57.0 x 58.7 mm	95 x 63.4 mm	100 x 63.5 mm	77 x 53.6 mm	77 x 53.6 mm	94 x 71.5 mm	52 x 58.6 mm	94 x 71.5 mm
Cooling System:	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled,	Air cooled	LLiquid cooled	Air cooled
Compression Ratio:	10.4:1	12.3:1	11.4:1	11.8:1	12.5:1	10.0:1	11.2:1	10.0:1
Induction:	Fuel Injection	39mm Keihin FCR flat-slide throttle position sensor	Marelli electronic fuel injection, 50 mm throttle bodies	Electronic fuel injection	Keihin FCR-MX37 flat-slide w/throttle position sensor)	Marelli electronic fuel injection, 45 mm throttle bodies	Fuel injection	Marelli electronic fuel injection, 45 mm throttle bodies
Ignition:	TCI	CDI	Marelli Electronic	TCI	Digital CDI	Marelli electronic	TCI	Marelli electronic
Starting:	Electric	Electric & kick	Electric	Electric	Electric / Kick	Electric	Electric	Electric
Transmission:	6 Speed	5-Speed, constant mesh	6 Speed	6 Speed	5 Speed	6 Speed	5 Speed	6 Speed
Final Drive:	Chain	Chain	Chain; front sprocket 15; rear sprocket 42	Chain	#520 Chain	Chain; front sprocket 15; rear sprocket 39	Chain	Chain; front sprocket 15; rear sprocket 39
Front Suspension:	Up-sidedown Telescopic fork	48mm Upside down telescopic fork	Showa 43 mm fully adjustable upside-down fork	Telescopic fork	48mm Fully adjustable inverted forks	43mm Upside-down fully adjustable forks	Telescopic fork	43 mm Marzocchi upside-down fully adjustable forks
Front Wheel Travel:	130 mm / 5.1 in	300 mm / 11.8 in	130 mm / 5.1 in	280 mm / 11.0 in.	300 mm / 11.8 in	120 mm / 4.7	210 mm / 8.2 in	120 mm / 4.7
Rear Suspension:	Aluminum swingarm with monoshock	Swingarm, link suspension, mono shock	Progressive linkage with fully adjustable Sachs monoshock. Aluminium single-sided swingarm	Swingarm (link suspension), mono-shock	Fully adjustable link Monocross	Sachs fully adjustable monoshock on the left side	Swinging arm link suspension	Sachs fully adjustable monoshock on the left side
Rear Wheel Travel:	118 mm / 4.6 in	305 mm / 12.0 in	148 mm / 5.8 in	270 mm / 10.6 in.	305 mm / 12.0 in	133 mm / 5.1 in	230 ,mm / 9.0 in	133 mm / 5.1 in
Front Brakes:	Single 270mm disc 2 piston caliper	Hydraulic single 250 mm disc 4 piston caliper	2 x 320 mm Discs, 4 piston calipers	Single 250mm disc	Single 250mm disc 2 piston caliper	2 x 320mm Discs, 4 piston calipers	Single 298mm disc	2 x 320mm Semi-floating discs, 4 piston calipers
Rear Brakes:	Single 220mm disc 1 piston caliper	Single 245 mm disc 2 piston caliper	Single 245 mm disc, 2 piston caliper	Single 230mm disc	Single 240mm disc 1 piston caliper	Single 245 mm disc, 2 piston caliper	Single 220mm disc	Single 245 mm disc, 2 piston caliper
Front Tyre:	90/80 -17	80/100-21 51P	120/70 ZR17	80/100 -21	80/100-21	120/70 ZR17	110/70-17	120/70 ZR17
Rear Tyre:	130/70 -17	120/90-18 65P	180/55 ZR17	120/80 -18	100/100-18	180/55 ZR17	140/70-17	180/55 ZR17
Seat Height:	800 mm / 31 in	960 mm / 37.8 in	803 mm / 31.6 in	930mm / 36.6 in	980 mm / 38.6 in	825 mm / 32.5 in	920 mm / 36.2 in	825 mm / 32.5 in