Dear ATVC: Bought a National Motor Co 300cc extreme ATV that says it has a Suzuki motor can anyone help me with wiring diagram? I need to know what wires go to ignition coil just trying to run the ATV & don’t care about lights reverse indicators etc. Jeremiah E Thomas We’re assuming that model […] More »

Dear ATVC: Where is the location of the neutral safety switch on a 84 Honda TRX200? dhurst1982@yahoo.com If you were looking down upon the machine as you would from the saddle, it can be found on the lower left side of the machine just in front of the ignition coil. In our experience, the best […] More »

Dear ATVC: I recently got a 1987 Yamaha Moto 4 350. Trying to do some restoration on it and I’m having a very hard time finding the front hand brake cable. The couple that I have found online all show the front brake on the left handlebar. However, mine does not have a handle on […] More »

Dear ATVC:I can’t keep my Yamaha Breeze idling. Anyone have ideas? Cherik The very first place to start with the automatic Yamaha Breeze is to adjust the throttle stop screw. Turn the screw in to increase engine speed, and out to decrease engine speed. If you have access to a diagnostic tach, proper engine idle […] More »

Dear ATVC: I bought an 86 Honda ATC250sx but the exhaust is broken. Apparently it’s not possible to order a new one. Do any aftermarket companies make one for the 250SX? I would like to know if it’s the same exhaust as for a Honda 250es (Big Red). Searched eBay and found nothing. Help! marcuslachance […] More »

Dear ATVC: I allowed a mechanic to upgrade my 50cc to 80cc . After completing the upgrade, I had it for 12 hours and it stopped working; no longer cranks. His excuse to me was that I messed up the cylinder head and need to buy a new one. Is it my fault? He said […] More »

Dear ATVC: I have a 92 Honda TRX250X, and about to buy an 87 250X that smokes a lot. I’m thinking rings, but anything else it might “commonly” be? Bclamp Go with your gut on this one – the air cooled Honda TRX250X is a relatively simple design. It is possible, however, to get smoke […] More »