Started out as wanting to add a S&S Motorsports gusset kit to the frame and ended up with a week long full build. But it all seemed to work out and the bike turned out great and runs even better. 2004 Honda TRX450R Motor built by: S&S Motorsports Cylinder/Head: S&S ported and polished Air Filter/Box/Lid:

Summary: Joshua Pursell’s 2011 race bike for Yamaha Quad-X. 2009 KTM 450 sx Motor built by: Baldwin motorsports/ DJD Racing Cylinder/Head: millenium technologies coated / baldwin ported Bore/Stroke: stock / 97 x 60.8 Cam: stock / degreed by baldwin Piston: CP project-X 13.5:1 Displacement: 450 Carb: keihin fcr/43 mm taper bore Air Filter/Box/Lid: stock filter,

Summary: The bike is built for MX. I haven’t seen too many Hondas like it – suspension is great and the motor rips. 2006 Honda TRX450R Motor built by: Sparks racing Cylinder/Head: Ported and +1 crf valve intake and exhaust cb seats, hd springs Bore/Stroke: stock/stock Cam: sparks tt/drag Piston: sparks 14.25:1 Displacement: 450 Carb:

Guest author and resident Nor-Cal ATV/UTV expert Mark Norman wrote this excellent article on your top end. He’s seen a lot of abused ones come in lately. Read this article to further your knowledge, and don’t be one of the abusers Mark sees! Take care of your quad for longevity, and less headaches and expense.

Summary: Lots of carbon fiber parts and rebuilt rear shock mount. Carb and clutch rebuilding, general maintenance, new tires etc.

Cody Miller from FourTech Industries has been diligently prepping for racing this spring starting with a fresh Honda build. Cody’s style is super slick, and here are some build photos to tease you. We’ll be doing a write up on his build at a later date.

05 TRX REBUILD, 2012. – Guest Post By Christopher McCleary I started this rebuild after 4 years of the first rebuild. I still maintained it during the 4 years and I just got tired of the dull look it was turning into, so figured it was due time. This time I was going to go

Quick interview with TCS Motorsports about some of their products. The song is Cracks by Dilo  (click to download). Subscribe to our audio feed in your favorite podcast service: http://pittraffic.com/mag/feed/podcast  

Check out this video of Arlan Lehman from LED Performance discussing some of his cylinder projects. Arlan Lehman began tuning and servicing motorcycles in the late 1970s. After working in the service department at a local Yamaha dealership he decided to branch out on his own. LRD (Lehman Research and Development) began in 1982 in

A guest post by Denny Derum. As most of the quad racing community knows, I have designed and built a-arms for my YFZ and YFZR. This article is intended to share my experiences with the quad racing group and to hopefully give some insight on the amount of work and preparation that goes into the