Jun 13, 2012 · 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 …

Jul 6, 2010 · 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 …

Feb 25, 2012 · 2008 Yamaha YFZ450 Special Edition. HMF Full Exhaust, K&N intake, jetted.

Apr 9, 2009 · 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 …

Apr 8, 2006 · 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. …

Mar 24, 2025 · A forum community dedicated to Yamaha YFZ owners and enthusiasts. Come join the discussion about performance, modifications, troubleshooting, maintenance, classifieds, …

Jan 20, 2007 · 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 …

Oct 23, 2009 · 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 …

Jan 4, 2005 · 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 …

Nov 16, 2013 · 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 …