The YZ250F, an ATV four-stroke Yamaha is very similar to Yamaha YZ250 again. Both models have similarities that make some wonder about the variety Yamaha has to offer or designs are so perfect that there is little room for improvement? Well I just read and judge for yourself.
A look at the vehicle that lets you know about the aluminum structure of the vehicle. Welding, casting and piping is done with great subtlety. This vehicle comes with a Yamaha five-valve engine titanium with a compression ratio of 13:5:1. This is why it produces a great pair, and at the same horsepower. Enhancing management performance is also soft offers. The total vehicle weight is evenly balanced on the wheels. For durability of the drop dry lubrication system is used. The engine is liquid cooled 250 cc. The DOHC engine is very powerful and very reliable. High-precision fuel and air mixture is in charge of 37 mm Keihin FCR carburetor with throttle position sensor (TPS). This also gives better throttle response. Start and restart this vehicle is very easy, thanks to the automatic decompression. The train is a standard Box five-speed. The YZ250F employs a multi-plate clutch. This helps the driver to change gear smoothly without any problems. Magnesium cylinders in the engine are painted black and contribute much to the lightweight nature of the vehicle. The reduction in size improves performance by reducing pumping loss. That's all about the engine.
YZ250F chassis is very similar to the YZ250F. The E model shows superb fusion of cast aluminum alloy forging. It also uses 48mm KYB fork using a speed-sensitive system that controls buffer. The damping force is opposed to speed and is controlled by piston speed. As in other Yamaha ATV. Like other Yamaha ATV This also comes with a four-adjustable rear shock. The internals are coated Kashima to reduce friction. The removable rear subframe is another common feature. It is built with aluminum tubes of square section. This facilitates the maintenance work It also helps reduce weight. The front wheel hub provides greater durability due to its light weight. The brake calipers, front and rear, comes with aluminum pistons. The cylinder anti-bubble is equipped to provide stronger over the brakes. The Excel front rim measures 12 inches and the rear one measures 19 inches, as the YZ250.
The YZ250F in 2009 will come with some new features. The changes have been made to provide even better performance. The exhaust system now sports a titanium header for low-end grunt that is 6 inches longer. The aluminum muffler has fallen by 5 cm. The clutch uses floating rubber damper place in the spring of trepidation. The swingarm has become lighter. A smart move is to reduce clutch lever and provide a position adjustment lever. This helps the drivers to set according to your convenience. Yamaha has also worked on his style. The seats are better and more comfortable. The most prominent change is the golden plates to cover the chain of transmission. The vehicle comes in two models of color, blue / white and red / white. Blue / white costs about $ 6.5K and a bit over $ 6.7k for the other.
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Install any of the Flange-On exhaust systems and pick up 6 hp instantly and a slightly smoother power curve. Stock Peak HP = 143.3 @ 10,500 rpm vs. Flange-On Peak HP = 149.4 @ 11,500 rpm. |
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Install any of the Flange-On exhaust systems and pick up 6 hp instantly and a slightly smoother power curve. Stock Peak HP = 143.3 @ 10,500 rpm vs. Flange-On Peak HP = 149.4 @ 11,500 rpm. |
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Install any of the Flange On exhaust systems and pick up 6 hp instantly and a slightly smoother power curve. Stock Peak HP = 143.3 at 10,500 rpm vs. Flange-On Peak HP = 149.4 at 11,500 rpm. |
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