Why does my snowmobile backfire

I just make sure the pipe didn't blow off the can, and keep on trucking. My personal has done it randomly for trouble free miles. Feb 19, 33 28 29 Washington. All these experiences that you boys are saying have all happened to me. Low gas, or not enough time to idle down before hitting the kill switch all have caused my to backfire. Even on new plugs my sled has done this. Even though they are EFI I believe they load up sometimes for some reason then backfire like they have to much fuel to start out with when you pull the cord, just an idea of why it does it, but not a true fact.

Aug 8, 48 28 Tacoma. Never a problem after that Nov 28, 91 3 8. It's a lean misfire. Do you hold the throttle lever open a touch when you go to start it? If so that lets in a little more air and it is lean. Don't hold the throttle at all and see what happens. Mine does this a lot when I hold the throttle open just a bit while starting. Its never been a big deal though unless it blows the pipe off the can.

Put it back on and ride on without worry. Jan 13, 43 Selah. Sled also blubbers at the exhaust Y, it used to be clean. Same sled M8. I am guessing unburned gas left in the pipe or can.

No throttle application when starting. Had the ethanol update done last year. I'm sure it's nothing. Just wanted to see if there was something specific I should look for. I was just curious since this sled has been nothing but trouble free except for an exhaust leak on one of the donuts when new.

Nov 26, 62 25 18 Oconomowoc, WI. Feb 1, 41 28 37 Dassel, MN. My 09 does this periodically also. I've just ignored it cause it still runs fine and everything looks good inside the motor.

First and foremost: maintenance. A healthy body makes for a strong and reliable individual. The same applies to machines like the snowmobile. They are powerful vehicles with an ability for thrilling experiences.

Speed and challenging terrain make snowmobiling an exciting hobby and activity. We found a cool name for it, but the truth is that a snowmobile is a motorized sled. It is how grown-ups cope with missing childhood and winter play. Thus, adults have their own fun in the snow in a slightly more speedy way than childhood.

There is no need to follow a road or trail; you can drive one over any type of terrain, with snow of course. For many, this is far more convenient than skiing at resorts or the weight of carrying a snowboard or skis uphill. Originally, snowmobiles were designed with two-stroke engines and kept simple. Nowadays, the most common machines have either a two- or four-stroke engine on them. To keep up with new trends and advances, electrical sleds are coming up in the market.

A strong quality of these vehicles is their ability to reach remote places. With a mountain snowmobile, rescue interventions, for example, are much easier. However, poor maintenance or lack of it will lead your snowmobile to give up.

Remember that backfires might signal damage or malfunction. Keep your hands dirty and your snowmobile healthy! Check out our recommended gear page for some tips. Your email address will not be published. Why does my Snowmobile Backfire? What is a backfire, why does it happen to your snowmobile, and how to prevent it Snowmobiling is one of the many winter attractions for seasonal hobbies.

What is an engine backfire? Here are some potential factors that cause backfires: The spark plug s might be damaged, overused, dirty, or wet. This prevents the ignition from properly firing.

Get new spark plugs link to Amazon if you need but make sure they are good! Not allowing your engine to properly shut down. Before completely stopping the snowmobile, give the engine time to reach idle mode. Only then can you turn it off. The fuel quality and ratio. Also, additives in the composition of the fuel can cause a fire.

Bring your sled to a snowmobile repairperson, stat. That is, in some instances, you could have mice and other small creatures make your exhaust system pipes their home. Think about it. Your exhaust system pipes are that warm place. If you see any small, fuzzy critters living within the pipes, give them the boot. You might just have your backfiring issues stop altogether! How can that happen? Well, it can all come down to timing, or lack thereof.

The spark plug is supposed to open at a precise time to ignite your fuel source. If it opens too early, then the exhaust pipe releases unburnt fuel that is going to explode. This can be a coincidence if it happens only once. However, if you often have the same issue with your spark plugs, then the chances are higher that they are indeed faulty. Other spark plug problems are also possible. If yours are especially wet, the plugs could malfunction. You could also have snowmobile backfiring if your spark plugs are filthy or if you have yet to ever replace them.

You can experience several issues with your fuel source that cause explosions, the first being an incorrect fuel ratio. Your sled needs an equal ratio of air and fuel in the gas. If the gas has more air than fuel or vice-versa, then the ignition gets affected. The best thing to do in a situation like this is to refuel as soon as you can and avoid going back to wherever you bought your gas from. Besides the fuel ratio, you also have to worry about the quality of your fuel. Again, this comes down to buying your sled gas from a trusted source.

Watery or airy fuel can interrupt ignition and cause backfiring. The same is true if your fuel source is bogged down with additives, butane especially. All it takes is a heat source and sparks will fly, and not in the romantic sense, either.

They all seem to be in running order, yet you still have backfiring more often than not. Is it time to take your sled to a mechanic? How do you turn off your engine?