2012年6月13日 · Let's keep this a no-bull knowledge base for the various cams available for use in the YFZ450 and other compatible 5-valve Yamaha 450-class engines. If information posted by anyone is found to be inaccurate, post the cam card or otherwise which proves him wrong. Bring on the numbers! Stock...

2010年7月6日 · I am currently looking for a YFZ 450, and I cant decide if it is worth it to buy a newer quad, for more money. Here are my main questions... 1) Are there any major (or important minor) changes between the 05, 06, 07 and 08 YFZ450s? I am looking for them locally, and those are the various...

2012年2月25日 · 2008 Yamaha YFZ450 Special Edition. HMF Full Exhaust, K&N intake, jetted.

2009年4月9日 · The YFZ450 smokes a 400ex. 450 vs 450R is still gonna be a pretty damn close race and in my opinion will come down to rider ability. The 450R has a handling advantage providing less fatigue and better cornering, that's about it.

2006年4月8日 · Due to the difficult time I had diagnosing an electrical problem on my machine, I spent a tremendous amount of time reviewing the electrical schematic in the manual. However, it uses abbreviations to describe wire colors/patterns, which made the job tedious. I edited the diagram to display the...

2025年3月24日 · A forum community dedicated to Yamaha YFZ owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, maintenance, classifieds, and more!

2007年1月20日 · 2006 YFZ450: Houser +2 A-Arms, Moto-Xperts Shock Conversion (Dual Rate Fronts, Revalve Front & Rear), G-Force Axle, CP 13:1 Piston, HMF Sport Series Slip-on, Pro-Tec Airbox Lid, Raven Accelerator Pump Cover, Houser + 1 Steering Stem, ProTaper Contour Bars, Cam Mod, GWC Steering Stabilizer, TAG Composite Skid-Plate, GYT-R Bumper, Pro-Armor …

2009年10月23日 · hey guys im looking to get a 2006 yfz450 and i was reading up on them and found that they had some lubrication problems. it only said that people the were making race bikes out of them where having the problems with it but im not sure so can somebody help? i only ride trails and farm fields and...

2005年1月4日 · What is the highest rpm you could expect a yfz to turn safely ? I just purchased a dyna ignition with programmer and was wondering if I could squeeze the limiter up a little higher than 11,500 .

2013年11月16日 · Thought it would be good to have a thread about what some of the more common issues on the YFZ 450R are and how to remedy them. It could be stickied later as a guide for new YFZ owners like me! Thanks in advance to anyone who contributes!