Dear ATVC: I have a 1980 ATC110 that fires but is putting out a weak yellow spark at the plug. I have changed the points, spark plug and cleaned the flywheel and stator. Is this a sign of a defective coil? It is possible – but there is an issue you should consider even before […] More »

Let the diagnostics begin! Dear ATVC: My 2006 Yamaha Bruin 350 4×4 was running fine for the longest time. Slowly it started having more and more trouble starting until finally it won’t start at all. I tried the pull and electric start and nothing happened. I pulled the spark plug and found it wasn’t making […] More »

Anyone seen sparky around here? Dear ATVC: I have an 86 Suzuki LT50 that has no spark. The stator is pumping out 30-38 volts, the coil is new and the kill switches are out of the system. What am I missing? dannyp333 Were we to guess, it sounds like an exposed wire making contact with […] More »

Dear ATVC: My 2006 Suzuki King Quad 700 stalls sometimes when I turn the lights on or when I push the 4-wheel-drive button what could be causing this problem? kenden Ahh electrical anomalies. Ordinarily we are forced to answer these questions with a whole bunch of questions of our own and this instance will be […] More »