How to know for sure. Dear ATVC: My Suzuki King Quad 700 runs rough when cold then won’t start sometimes (but not often when it’s hot). And it occasionally smokes a lot when it’s cold. I’m guessing that’s rings but I’m worried unless it’s causing the other problems. All help is appreciated – thanks! It […] More »

Each of your options was built for a unique purpose. Dear ATVC: Hi, so I am getting my first quad but don’t know which one will be right for me. I have a budget of about 3000. I have two options, a Yamaha YFZ450 (bored out to 490 cc with stage two Hotcams). I went […] More »

Your mission is not impossible. Dear ATVC: So my 2005 Yamaha Kodiak 450 needs its original tires replaced. Any ideas for a solid but budget-friendly option? Don’t need anything more than the OEM tires as far as lugs or muddying. I’ve seen some WANDA tires on Amazon but don’t know anything about them. Any input […] More »

Performance gains means tweaking the carb. Dear ATVC: I have a 2004 Honda 400EX and I’m getting a RS3 Yoshimura full system from someone that used it on a 400ex before me and I am not sure how to figure out what jetting I need for it to run good. I would really like to […] More »

Here’s what to do. Dear ATVC: Recent (new-to-me) ATV owner/rider. I have a 2003 Bombardier 650 4×4 Quest and recently my speedo just decided to stop working. The odometer doesn’t tick up either but that makes sense considering it thinks I’m going 0mph all the time. I found some links online that mentioned there was […] More »

2-stroke plugs tell a story. Dear ATVC: I recently purchased an ‘05 E-ton 90 2 stroke, oil injected quad for my daughter. I noticed the oil light stays illuminated while running. The previous owner states it’s always been that way and not to worry about it. My daughter rode it for about 2 hours total, […] More »

Made in Taiwan once upon a time. Dear ATVC: I am trying to find out information regarding a quad I purchased. The sticker says it’s a BSI 100cc (2-stroke, water cooled ATV). I am trying to find spares like head/piston but unable to find any information on the quad. Any assistance would be greatly appreciated. […] More »