Dear ATVC: When going to buy a new piston for my ATV, I was told that I had to make sure the letter on the piston matched the letter on the cylinder. Is this true? Why would the manufacturers do this? Though it’s not commonly done on modern 4-stroke engines, the letter matching game was […] More »

Dear ATVC: If you could only budget one mod this winter for more power, would you go with the exhaust or the intake? I want the biggest bang for my buck. Well like always in this situation, the more info you can provide, the better. Are you modifying a sport or utility ATV? By “bang […] More »

Dear ATVC: Sorry if this is a stupid but I have some questions about cams. What makes dual cams better than a single one and if they’re better why do some companies still make singles? Finally what is a “mild cam”? In its simplest, cams are used to open and close the intake and exhaust […] More »

Dear ATVC: I was looking at a four-wheeler on Criagslist and the seller said it started out as a Honda 3-wheeler that was converted into a quad with a factory kit. Did anyone actually make a kit that converted 3-wheelers into 4-wheelers or do you think this was just a custom weld job and a […] More »

Dear ATVC: I have a sport quad that I plan to ride this winter. Trouble is here in Ohio we often get snowfall that forces months of parking my machine in the garage. Do you know if sand paddle tires would work for shredding snow? If so which ones would you recommend? We had to […] More »

Dear ATVC: I recently got my first ATV after taking a safety course and feel I’m a pretty good rider. Everyone I talk to seems to like to remind me of how dangerous ATVs are. Are there statistics to back up all of the hype that ATVs are as dangerous as people say? Thanks to […] More »

Dear ATVC: My friends and I are diehard 3-wheeler supporters and have been since the 1980s. We’ve been kicking around the idea of making a small production run of 3-wheelers powered by modern 4-stroke engines. What we’re wondering is does the CPSC ban apply to us considering we weren’t in business back when the OEMs […] More »