Yamaha YZ250F - Wikipedia Yamaha YZ250F YZ250 - F 2007 Yamaha YZF250 - R Manufacturer Yamaha Motor Company Production 2001 - present Predecessor Yamaha YZ125 Class Motocross Engine 250 cc single - cylinder, water - cooled, four - stroke, DOHC Power 43hp Torque 21 ft lbf Transmission 5 - speed Suspension KYB Brakes disc ( front, back ) Tires 80 / 100 - 21, 100 / 90 - 19 Wheelbase 57.8 inches L : 85 inches W : 32.5 inches H : 51.2 inches Seat height 38.7 inches Weight 204 lb ( 93 kg ) ( dry ) Fuel capacity 1.8 gallons Related Yamaha YZ125 The Yamaha YZ250F is a motocross motorcycle first released in 2001 by Yamaha. It has a five - valve, DOHC, four - stroke engine and initially had a steel frame and an aluminum subframe, which was replaced in the 2005 model with an all - aluminum frame. This combination leads to the YZ250F being praised for combining the broad - power characteristics of a four - stroke engine with the light handling more common in smaller, 125 cc two - stroke motorcycles. Significant advances 2003 Automatic decompression exhaust cam 2006 Aluminium frame 2008 New engine New engine layout, with lower center of gravity 2014 Rear slant cylinder, Fuel Injection See also Wikimedia Commons has media related to Yamaha YZ. Yamaha YZ250 Yamaha YZ125 Yamaha YZ450F Kawasaki KX100 References ^ Jump up to : Dirck Edge, `` Yamaha 's 2001 YZ250F : The Horsepower Mystery '', MotorcycleDaily.com, retrieve March, 2007 Jump up ^ Dirck Edge, `` 2001 Yamaha YZ250F : MD Ride Review '', MotorcycleDaily.com, retrieve March, 2007 2007 Yamaha YZ250F Specifications Yamaha motorcycles Standard XS400 XS500 XS650 XS750 XS850 XS1100 SR500 SRX 400 / 600 FZX250 FZX750 XJ600 / FJ600 XJ600 Diversion XJ900 XJ900 Diversion XJR400 XJR1200 XJR1300 YX600 Radian YBR125 Sport TZR50 TZR125 TZR250 FZ700 FZ750 Fazer FZ400R RD250LC RD350 RD350LC RD500LC FZ750 FZR250 FZR400 FZR600 FZR750 FZR1000 YSR50 YZF600R YZF750 YZF1000R YZF - R6 YZF - R7 YZF - R1 YZF - R125 YZF - R15 YZF - R25 YZF - R3 SZR660 TRX850 FZS600 Fazer FZ150i FZ16 FZ6 FZ8 & FAZER8 FZ1 MT - 125 MT - 25 MT - 03 MT - 07 MT - 09 MT - 10 M - Slaz MotoGP YZR500 YZR - M1 Touring / Sport touring Venture Royale FJ1100 FJ1200 FJR1300 GTS1000 Tracer 700 Tracer 900 Power cruiser V - Max / VMAX BT1100 Bulldog MT - 01 MT - 03 Cruisers XS Special 400 650 750 850 1100 XJ Maxim 400 550 650 700 750 1100 XV Virago 125 250 400 500 535 750 920 1100 XV Road Star / Wildstar 1600A 1600ALE 1600AS 1600AT ( Silverado ) 1600ATLE ( Silverado ) 1700A 1700AM 1700AT ( Silverado ) 1700ATM ( Silverado ) XV1900 XVS Drag Star / V Star 125 250 400 650 950 1100 1300 ( Midnight Star ) XVZ Royal Star 13A ( Royal Star / Boulevard ) 13AT ( Tour Classic ) 13LT ( Tour Deluxe ) 13TF ( Venture ) Supermoto XT660X Dual - sport / Enduro / Off - road XT125R XT125X XTZ 125 XT 225 TDR250 XT250 WR250F XT350 WR400F WR426F WR450F XT600E XT660R XT660Z Ténéré XTZ660 Ténéré XTZ750 Super Ténéré TDM850 XT1200Z Super Ténéré Agricultural TW200 AG100 AG175 AG200 Motocross YZ85 YZ125 YZ250 YZ250F YZ400F YZ426F YZ450F Scooter TMAX Aerox Lagenda Majesty Mio Nouvo QT50 Vino Classic Vino 125 X-City XF50X Zuma Zuma 125 V50M Tricycle Tricity First models Yamaha YA - 1 Yamaha DT - 1 Commons This motorcycle, scooter or moped - related article is a stub. You can help Wikipedia by expanding it. Retrieved from `` https://en.wikipedia.org/w/index.php?title=Yamaha_YZ250F&oldid=789120182 '' Categories : Yamaha motorcycles Off - road motorcycles Motorcycles introduced in 2001 Motorcycle stubs Hidden categories : Pages using deprecated image syntax All stub articles Talk About Wikipedia Čeština Magyar Português Suomi Svenska Edit links This page was last edited on 5 July 2017, at 13 : 27. About Wikipedia

Question: when did yamaha start fuel injection on yz250f
Answer: 2014