Running Rough

A fouled or black spark plug is a real pain, symptoms vary by how badly the plug is fouled. But you can be sure the engine is struggling to perform …

White smoke from the tailpipe looks serious, but usually, it’s a simple problem, easily fixed. Top 4 reasons for white smoke from an air-cooled ATV include: By the end of …

Spark arrestors on some bikes can look pretty cool, but more importantly, they serve a very useful function. All internal combustion engines operated in the USA must have spark arrestors …

A little choke helps your engine start from cold. Some bikes seem to run better with the choke on permanently. But that’s your bike’s way of telling you it has …

Smelling raw gas from your ATV can be alarming, especially if you park it in the garage hot. A smell of gas from ATV oil is commonly caused by: In …

Aragh, I know the feeling. There’s never a good time for a mechanical fault. Not to worry, we’ll get it figured out. The top 4 reasons an ATV dies when …

Riding an ATV on difficult terrain and balancing the throttle to prevent it from stalling can be quite the challenge. The top 5 most common reasons an ATV only runs …

Popping and banging noises from your ATV is annoying, but it’s also a warning sign that you probably shouldn’t ignore. An ATV makes a popping noise because the engine is …

A smoking engine generally isn’t a good sign but let’s not meet trouble halfway. Hard or worn valve stem oil seals will cause an ATV to smoke when first started. …

An erratic idling ATV engine is so annoying but could point to a far more serious problem. The four most likely causes of an ATV idling up and down include: …