Motorcycle news TT Cross 2014: Yamaha YZ250F and YZ450F Bikes Doctor

12 Мар 2015 | Author: | Комментарии к записи Motorcycle news TT Cross 2014: Yamaha YZ250F and YZ450F Bikes Doctor отключены
Yamaha BW'S Concept
Yamaha BW'S Concept

Motorcycle news TT Cross Yamaha YZ250F and YZ450F

is there, Yamaha raises the veil on its two motorcycles of Cross-country 2014. As one could expect it, is the new one on the YZ-F with a Yamaha which evolves rather and a new Yamaha YZ250F which the traces of his/her big sister a very new engine reversed and and a deeply re-examined frame. All it is necessary to know about innovations is already on bikesdoctor!

As we it to you a few times ago . there is the new one in the range 4-time Cross-country race It is from now on official; the brand the tuning forks just has revealed its YZ-F 2014. YZ450F evolves significantly for the time since 2009 and the of its new concept of engine reversed and backwards, while the Yamaha changes finally its engine and is on the mechanical design of its elder a new frame.

Here the first information on innovations 2014.

On the traces of the

The small YZ-F thus in 2014 an engine technically near to that of the 450 and leaves its good old man one-cylinder 4-time and 5 supplied with a carburetor. Yamaha 250 YZ-F has components are clean for him: new cylinder piston, conduit of admission and larger, mechanism of valves and of lighting thanks to a lighter

The Yamaha YZ450F is characterized by its 4-time of 450 cm ³ to injection and liquid 4 valves, two ACT, tilted In its version 2014, Yamaha put on a easier to control. The valves are now on larger, the electronic control (ECU) receives a new configuration and the transmission is modified in order to an exploitable couple.

The conduits of and exhaust, the profiles of cams and the of crankshaft were re-examined.

an aim of gaining in weight, dimensions of the were reduced and the simplified of lubrication (wet casing). The station is also more The new collector curves around the

This design introduced by the TEAM Yamaha Monster allows one to lengthen the collector and to shorten the silencer to center the

Side clutch, the Yamaha is equipped with a new box coupled to a flexible clutch. Yamaha sees its optimized clutch and receives new specifications for its drive and its pinions primary education and For the two YZ, the case Yamaha Power allows to quickly personalize the of the engine to adapt it to the various of piloting and profiles of ground.

New and new look for 2014

The framework of the 250 and 450 are of similar design, but that of the 250 is to dimensions of the motorcycle. This formed framework with beam consists of ten forged, and extruded aluminum parts. A new finer and shorter, as well as a postpones shorter and several lighter contribute to the reduction of the

The reversed forks Kayaba cartridge separate air-liquid new springs. The front wheel passes to a higher diameter (22 the t-pieces and trigger guards rigidifies. A new shock absorber its appearance, marking the return to a bottle undoubtedly less to the heat of the collector and engine on the models former.

This absorber installation of is made thanks to the new collector, which from now on the full rotation of the That made it possible to the tank while increasing its of one liter, to bring closer the to injection and to adopt a new electrical All which changes Strongly to the centering of the masses on the YZ-F.

The esthetics and the total line of Yamaha YZ-F 2014 revisited. Yamaha wanted “to the reserve of 7.5 liters in the motorcycle so it disappears visually. The access to the air wants to be easy in order to maintenance all the same.

The saddle and the postpone were restructured on the 2014, and the air intake is from now on on the new silhouette.

The news deco is directly in the plastics in order to increase its resistance. Finally Yamaha be always available in Racing or Sports White. Here for the Yamaha YZ250F and YZ450F next stage the test on stay tuned!

Yamaha 2014

Yamaha YZ450F

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