2015 Yamaha YZ250FX

2015 Yamaha YZ250FX
MSRP $7,890

The Yamaha YZ250FX is a virtual clone of its motocross analog – the YZ250F. However, Yamaha did have to add a few key features, like electric start. Yamaha integrated the starter into the side case and tucked it in front of the cylinder, keeping it out of


2015 KTM 250 XC-F vs. Yamaha YZ250FX

Until recently, KTM lived alone in the category of closed course off-road race bikes, that is until the 2015 Yamaha YZ250FX came along. See the new blue bike take on KTM's 250 XC-F in this comparison.

Engine TypeDOHC Four-stroke; Four titanium valves
Engine Displacement249cc
Bore Stroke77.0 mm x 53.6 mm
Compression Ratio13.5:1
Fuel SystemYamaha Fuel Injection (YFI) Keihin 44 mm
IgnitionTCI: Transistor Controlled Ignition
Starting SystemElectric
TransmissionWide-ratio constant-mesh six-speed; multiplate wet clutch
Final DriveChain
Rake TrailNA
Seat Height38 in.
Wheelbase57.7 in.
Front SuspensionKYB Speed-Sensitive System; inverted fork; fully adjustable, 12.2-in. travel
Rear SuspensionKYB Fully adjustable single shock; 12.5-in. travel
Front BrakeHydraulic single disc brake, 250 mm
Rear BrakeHydraulic single disc brake, 245 mm
Front Tire90/90-21 54M
Rear Tire110/100-18 64M
Fuel Capacity2.0 gal.
Dry Weight249 lbs. (Wet)

2015 10-Hour Race Glen Helen

MotoUSA Races The 2015 10-Hour Glen Helen Endurance Race

MotoUSA used a 2015 Yamaha YZ250FX to race the 10-Hour Endurance Race at Glen Helen Raceway. The race started at midnight and ran until 10am the next day.

Cylinder Works ’14-’15 YZ250F Big Bore Kits

Cylinder Works ’14-’15 YZ250F Big Bore Kits

Cylinder Works offers three new cylinder options for the 2014-2015 YZ250F and new 2015 YZ250FX and WR250F, a standard replacement cylinder, a high-compression option and a big bore kit.