Supermoto with Blinkers or Off Roader that is Street Legal? The Yamaha WR25OR and WR250X
May 11, 2008 – 9:10 am
Born and conceived from the exact same tuning fork parents, and possessing a lot of the same component DNA, it is very apparent that the contrasts that are present between the WR250R and the WR250X go far beyond the two models just possesses different cosmetic treatments.
Due to their historically underpoweredness and inherent buzz, there are many motorcycle enthusiasts out there that haven’t considered a Thumper of small displacement as possessing the engine configuration that it would take to tackle an Alaska Highway. However, that is exactly where the Yamaha WR250X starts to shine. When you’re riding this motorcycle you will experience minimal vibration which comes from the hard working little pistons that are pushing the combined weight of the rider and the bike down the freeway. In fact, the bike ride is so smooth that you want even realize that you are riding in fifth gear. When grabbing the top cog of the transmission, it reduces the revs to a couple less per minute and then it becomes very apparent that riding this particular motorcycle for the longer distances want induce numbing the discomfort that is normally associated with Thumpers.
There is also no reason to be concerned with insufficient power, which is another innate shortcoming that has been associated with the sub-400cc machines. Even though the horsepower figures are unavailable, the WR has a whole lot more acceleration than the 250cc scooter which is able to wheeze up hills under physics additional weights when shuttling you to your class during your career in college.
Stating that the demographic doesn’t really desire a motor that is tightly wound with some cramped service intervals, but instead with an effective engine that requires minimal maintenance, Yamaha has endowed both of these models with a powerplant that was purposely built in order to meet the latter criteria, all of this was done while gracing them with some modern technology like a cylinder that is ceramic composite plated, titanium intake values, high lift cams, as well as a four value cylinder that has been newly designed and a short skirt piston that is made out of aluminum.
The engine on the motorcycle also has an oil jet that is located right beneath the piston in order to minimize the temperatures of the piston. The fuel injection system by Mikuni is known to utilize a thirty eight mm throttle body and a twelve hole injector for an efficient combustion. The Yamaha WR250R/X is also known to feature a radiator that has a fan which is said to exhaust all of the dissipated heat completely away from the rider, this can be a very good thing on days that are hot, but a slightly bad thing on days that are cold.
Suspension is another strength that the X model possesses. The forty six mm KYB fork inverted cartridge has ten point six inches of travel and it is adjustable for rebound and compression. The rear shock by Soqi also has ten point six inches of travel, which is fully adjustable and features almost one inches of adjustability for the ride height.
Tags: Yamaha, Yamaha Wr250R, Yamaha WR250X
