The Yamaha YZ250F is a motocross motorcycle first released in 2001 by Yamaha. It features a DOHC, four-stroke engine and initially had a steel frame and subframe in 2001–2002. In 2003 it received an aluminum subframe, which was replaced in the 2006 model with an all-aluminum frame.
The YZ250F has been 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.[2]
Despite the similar name to the YZ250, very few parts have been shared between the models through their history.
Significant advances
| 2003 | Automatic decompression exhaust cam |
| 2006 | Aluminium frame |
| 2008 | New engine |
| 2010 | New engine layout, with lower center of gravity |
| 2014 | Rear slant cylinder, 4-Valve head, Fuel Injection |
| 2019 | Electric starter |
See also
References
- ^ a b Dirck Edge, "Yamaha's 2001 YZ250F: The Horsepower Mystery", MotorcycleDaily.com, retrieve March, 2007
- ^ Dirck Edge, "2001 Yamaha YZ250F: MD Ride Review", MotorcycleDaily.com, retrieve March, 2007
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