2025 Baja 1000 is in the books. Polaris RZR Factory Racing closed out the 2025 SCORE Desert Series in dominant fashion, remaining undefeated and claiming its third-straight Baja 1000 victory. Battling one of the roughest and most unpredictable courses in recent memory, Cayden MacCachren and co-driver Ethan Groom split driving duties in the No. 1821 […] 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 »

And away they go. Engines roared to life beneath a pale autumn sky as hundreds of riders lined up on the starting field of the 2025 Yamaha Racing Ironman GNCC, the grand finale of the 2025 Progressive Grand National Cross Country Racing (GNCC Racing) Series, an AMA National Championship. The air was thick with anticipation […] More »

This machine existed for three years unchanged. Dear ATVC: Hello, I am new to the ATV scene. I have a 2005 Arctic Cat 500 4×4 with a blown engine (ran out of oil). Wondering if anyone knows what model years will fit the 2005 500 non-EFI chassis. Thank you in advance. You can plug & […] More »

Music to our ears. Sure, we could go all technical on you and explain that because 2-stroke engines boast combustion events twice as often as a 4-stroke, the resulting exhaust note can come successively fast enough to buzz but why not put this theory into practice? 2-strokes, because of environmental concerns, are relegated to the […] More »

We take for granted how effective heating and AC work with our gas-driven vehicles. These days features that used to be commonplace in the automobile world are steadily making their ways into the off-road arena/ What kind of things, you ask? Well, fuel injection, ABS, GPS, power steering (EPS), and a whole bunch of other […] More »

$8-mill strong and still accepting applications. Yamaha Motor Corp., USA has announced the latest recipients of its Yamaha Outdoor Access Initiative (OAI) grants for the second quarter of 2025. With this round of funding, the program has now invested more than $8 million across over 550 projects since 2008, reinforcing Yamaha’s leadership in protecting and […] More »