Weak, yellow spark from a fouled plug. Dear ATVC: I think I have a problem with the coil on my Suzuki LTZ. I have viewed a lot of pages but can’t find an exact answer or advice on how to check somehow. The sparks off the plug is yellow and seems weak. The engine doesn’t […] More »

When it comes to missing spark, grab the meter and start checking. Dear ATVC: I have a 2001 Suzuki LTF160 with electric start, brand new battery, and new solenoid. When I use the electric starter, the engine will just keep turning over. I pulled the plug during and its not getting spark. However when I […] 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 »