The all-time best smokers. These days it’s getting increasing more difficult to even buy a 450cc pure sport ATV for trails or racing, a very sad fact when you consider that a little over a decade ago there were 12 of them from which to choose. What’s even crazier is this isn’t the first time […] More »

Dear ATVC: Just read your article about octane rating and found it very informative. I do have a question, though. Are octane ratings the same all over the world? Here in Europe, our numbers a much higher than yours. You can get 95 and even 98 octane at the pump. Do we just have higher […] More »

Opportunity to upgrade. Dear ATVC: Looking for a place to buy rear tires for 1994 Yamaha Blaster. Your Blaster came standard with 8″ rims and a tire size 21×10-8. That means 21″ tall when inflated, 10″ wide and that 8″ diameter rim. You can find tires in this size just about anywhere ATV tires are […] More »

Dear ATVC: I have 2003 Polaris Sportsman 500 HO that I put 26″ Mud Lites. Its sluggish now. What weights and spring can I put in to make my own clutch kit without spending $350 on an EPI clutch kit? That’s insane money for a spring and 3 pieces of metal. What is the stock […] More »

Let’s separate fact from fiction. Myth: Higher Octane Number Means Greater Engine Performance We’ve all heard that one, right? Pump in some 93 rather than 87 and hold on tight. This is actually quite untrue. What a higher octane rating is good for is allowing an engine to be tuned for greater compression without preigniting […] More »

Dear ATVC: Did some trading and ended up with a 1995 Suzuki LT250 Quadrunner 4×4. I went through the carb, cleaned it and threw in a new battery. When I fired it up, I noticed the air box filling up with gas/oil mixed and discovered it was coming from crank case through the vent tube […] More »

Bigger E numbers means bigger problems. In the event that you missed it, President Biden announced a plan to suspend a ban on summertime sales of higher-ethanol gasoline blends. The Environmental Protection Agency will issue a waiver that will allow sale of E15 (15% ethanol between June 1 and Sept. 15. How does this affect […] More »