2012 Yamaha Pw50 Zinger on 2040-motos

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2014 AMA Supercross – Toronto Results

James Stewart captured his series-leading fourth AMA Supercross 450 class win of the season, giving him sole possession of second place on the overall career wins list ahead of Ricky Carmichael and behind Jeremy McGrath. The win also helped Stewart gain some ground on points leader Ryan Villopoto who suffered from a bout of food poisoning. Villopoto was examined at a Toronto hospital and released in time for the opening ceremonies.

Yamaha Sketches out the Features on the New 2010 YZ450F [Video]

You’ll realize how cheesy that headline is after watching the pretty rad video that Yamaha has released. Yamaha’s new motocross bike has taken a radical new approach.  The engine is backwards. Yamaha’s reason for doing this is to shift the heavy end of the motor more to the center of the motorcycle to make it more agile and responsive.  Slanting the cylinder also made for a straighter pathway for the air intake at the front of the bike.

Unique Sounds of the New Yamaha R1

When Yamaha announced its new R1 literbike last fall, company reps told us about the tractability assets of its new, MotoGP-derived crossplane crankshaft for the four-cylinder engine. It’s unique in that cylinders fire 90-degrees apart, allegedly enabling better grip during acceleration. A byproduct of this design is an exhaust note that is distinctive in this world of cookie-cutter designs.