What’s all this down there? Dear ATVC: I am pretty good at rebuilding shocks and even have a decent grasp of valving (you should see my shim collection in the barn). But one thing that gets me without fail is grasping shock linkages and how they work. Can they be tuned to extract extra performance […] More »

The companies of our industry give back to the community. Yamaha Motor Corp., USA, announces the recipients of its Yamaha Outdoor Access Initiative (Yamaha OAI) third quarter 2025 grants, awarding more than $155,000 to eight organizations across eight states. This quarter’s funding emphasizes critical infrastructure improvements, OHV rider safety, and environmental stewardship, along with two […] More »

MRT is making the Hammers a big payday this year! MRT Tires is proud to announce its 2026 King of the Hammers contingency program, offering more than $50,000 in total payouts to racers running MRT tires at one of the most demanding off-road events in the world. The program includes a massive $25,000 contingency payout […] More »

Are triple digit speed numbers possible on a modern 450? Dear ATVC: I have been wondering how fast a modern 450cc quad really is. My friend says he got his over 100mph. Is that even possible? Believe it or not, it is – though pretty unlikely in stock trim. Why? The manufacturers set their machines […] More »

You aren’t the first and you won’t be the last. Dear ATVC: I did something dumb. I was running my 83 250R a little lean for the elevation and seized the top end. I inspected the cylinder for damage and notice a pretty good gouge. Is replacing the entire jug my only option? Obviously they […] More »

Rubber and rough trail conditions rarely play nice together. Dear ATVC: I recently caught one of my Pioneer’s CV boots on a sharp stick and tore it deep in a group ride. Without any way to repair it until I got back home, I had to continue getting slop and grit inside for several hours. […] More »

Does sprung versus unspring matter? Sure does. Dear ATVC: Last week’s question and answer about centralization of mass was interesting but you never mentioned that another reason engine location is such a big deal is because it’s sprung weight. Can you explain this concept a bit? You’re absolutely right and sure can. So we typically […] More »