Yamaha came to win in Arizona. Yamaha Racing’s bLU cRU racers continue the YXZ1000R reign, sweeping both rounds in the Lucas Oil Regional Off-Road Series (LORORS) Arizona Production 1000 class, along with the overall point standings over the weekend, further proving the YXZ1000R is the Side-by-Side (SxS) to beat in UTV short course racing. Yamaha […] More »

What oil goes where? Dear ATVC: I accidentally put oil in the side plug by the pull start of my 1986 Polaris Trail Boss 250. Is this bad? Can I drain it or should I drain? What kind of oil do I need? 143 Whether or not it is damaging and should be drained depends […] More »

Now an OEM option. Dear ATVC: I was big into ATVs in the late 80s when turbos were rare aftermarket accessories, seldom seen and very unreliable. Now I notice turbo engines come right from many of the factories. I’m wondering if they are more reliable now than they were and if so, what changed? The […] More »

Does not need premix. Dear ATVC: I have a 2007 or 2008 Polaris Sportsman 90 that I thought was a 2-stroke. I filled a gallon gas can with fuel and mixed it with 2-stroke oil 50:1 ratio. Now it has no power once the throttle is opened too far and can’t climb any sort of […] More »

New oil from BRP. BRP is introducing a new XPS oil to meet the demands of high-performance off-road engines, including turbo and supercharged engines. XPS 4T 10W-50 is formulated specifically for the higher stress these engines experience, especially when used in warm temperature climates. XPS 4T 10W-50 is blended using the highest quality synthetic base […] More »

Dear ATVC: Reagrding the clutch assembly on a Suzuki LT80 , there is a little metal piece at the end of the crank shaft that spins something which drives an oil pump on top of the clutch cover so the metal piece is split in half. but I can’t find the part cause I don’t […] More »

Are all filters equal? Dear ATVC: Will a Fram PH4967 pro filter work on my 2002 sportsman 500HO freedom series? Jeff Knowles We wouldn’t chance it were it our machine. There’s a very good chance the threads won’t properly match up and cross-threading there can mean big trouble. The correct Fram unit for your make […] More »