2009年2月24日 · Yamaha took its pride-proven YZ426F and transformed the beast into a lean, mean racing machine.

2012年4月1日 · In the right hands this bike is capable of amazing things. I feel the YZ 450 has finally reached maturity with the 2003 model and Yamaha has created a confidence-inspiring bike that enables the rider to reach the limits of their ability without any drama or stress. There are no longer any compromises when going with a four-stroke.

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The 2003 YZ450F gets 48mm upside down forks with revised setting for a smooth, progressive feel and exceptional ground contact in the most demanding of scenarios.

The Yamaha YZ450F is a four-stroke racing motocross bike built by Yamaha Motor Corporation. It was the successor to the previous YZ426F which was discontinued in 2003.

2002年8月27日 · Overall, the new 450F is a darned effective motor with super-easy and consistent starting, near-perfect jetting, smooth shifting, gobs of linear power and almost-two-stroke throttle response, even though the muffler’s can has been extended 50mm and the Ti endpipe lengthened by 20mm.

View and Download Yamaha 2003 YZ450F owner's service manual online. 2003 YZ450F motorcycle pdf manual download. Also for: 2003 yz450fr.

View the manual for the Yamaha YZ450F (2003) here, for free. This manual comes under the category motorcycles and has been rated by 3 people with an average of a 8.3.

Yamaha YZ450F: images, gallery. Yamaha YZ450F: video. Yamaha YZ450F: manuals, parts, microfiches.

2014年5月28日 · The 2002 YZ450F is the top-drawer dirt bike in Yamaha's line-up , and it comes with a new 449cc engine, with liquid cooling and a 5-titanium-valve architecture, and redesigned automatic...