Yamaha YZ250F - Motorcycling-Online.com


Yamaha YZ250F

Yamaha YZ250F

The 2 gallon fuel tank on the Yamaha YZ250F provides for long motocross race sessions and practice. The electronic ignition on the Yamaha YZ250F uses an efficient Transistor Controlled Ignition called TCI.

With Yamaha officially starting the 4-stroke motocross revolution years ago, the Yamaha YZ250F continues to impress the motocross and supercross world with this competitive race bike with great peak horsepower and low end power compared to the close equivalent Yamaha YZ125 2-stroke MX bike.

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Yamaha YZ250F motocross bike brakes have a 250mm front brake disc and a 245mm rear brake disc.

The specifications for the current Yamaha YZ250F 4-stroke MX bike are as follows. The YZ250F uses a 249cc liquid cooled high performance single cylinder 4-stroke engine with DOHC dual overhead cams and four titanium valves. Cylinder piston compression ratio is 13.5:1 for serious power on the MX track.

The 4-stroke Yamaha YZ250F seat height is 38.0 inches and 12.8 inches of frame to ground clearance.

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The video below shows a cool test ride of a new Yamaha YZ250F by TransWorld Motocross magazine.

The light and nimble Yamaha YZ250F dirtbike weighs an astonishing 231 lbs dry without oil and fuel.

The Yamaha YZ250F suspension features a fully adjustable KYB rear shock with 12.4 inches of travel and inverted Kayaba front forks with 12.2 inches of travel. Both front and rear Kayaba suspension components have fully adjustable compression and rebound dampening clickers to fine tune the action.

Yamaha YZ250F wheelbase measures 58.1 inches from the front axle center to the rear axle center.

The Yamaha YZ250F has a very rugged 5 speed transmission with constant mesh engineering and a multiplate wet clutch and uses a 520 gauge chain to get all of this 4-stroke power to the 19” rear wheel.

The Yamaha YZ250F engine cylinder bore and stroke measures 77.0mm x 53.6mm. The Yamaha YZ250F MX bike uses a high tech YFI Yamaha Fuel Injection system with a 44mm Keihin throttle body.

The physical size of a 4-stroke Yamaha YZ250F is pretty much identical to the YZ450F 4-stroke bike.

The overall length of the Yamaha YZ250F is 85.2 inches, width is 32.5 inches and height is 50.4 inches.

The front tire size on the Yamaha YZ250F motocrosser is 80/100-21 and the rear tire size is 100/90-19.

The Yamaha YZ250F is an amazing 250cc 4-stroke motocross racing motorcycle. The Yamaha YZ250F 4-stroke motocross bike was first introduced to the MX world in 2001 to race in the 125cc 2-stroke class with more bottom end torque and overall power and has been a very successful race bike at the track and very popular among all racers with it’s great looks and amazing handling.

The photos below highlight the all new updated current model Yamaha YZ250F motocross motorcycle.

The red white and black YZ250F pays homage to the color schemes of YZ MX racers from years ago.

The current generation classic Yamaha blue YZ250F looks great at the dealership and on the race track.

The new graphics on the YZ250F come from the Yamaha factory with GYTR and Yamalube included.

The current updated YZ250F has the exclusive and amazing one of a kind rear slanted Yamaha 4 stroke engine with the intake in the front of the cylinder and the exhaust coming out of the back of the cylinder.

The new light weight twin spar aluminum frame on the Yamaha YZ250F is built strong and very rigid.

This stunning angle looking at the front of the Yamaha YZ250F accentuates it’s raw MX race quality.

The blue and white YZ250F is one of Yamaha’s most popular and best selling dirt bike motorcycles.