
If you are facing any issues with starting your Stihl Bg 86 blower, you are not alone. According to an estimation of the national gardening association, Stihl Bg 86 blower not starting is one of the most common issues that its users have frequently reported.
It cannot only halt your operation but also further damage its other component if not fixed early. There can be many causes and factors at play. This article will discuss the most commonly reported Stihl Bg 86 blower problems and their fixes.
Stihl Bg 86 Blower Problems
Bg 86 Stihl Blower Carburetor Issues
The carburetor issue is one of the most common problems frequently reported by its user. The most common cause of the carbonated issues in Stihl Bg 86 blowers tends to be clogged fuel or dirty air filters.
If no power is supplied to the carburetor, check for any fuel or air filter clogging. Sometimes, a lack of spark due to a faulty spark plug causes the engine not to start and causes carburetor problems.
You should first check what is causing the issue and replace any party. Sometimes cleaning the filters solves the issue. Besides this, the carburetor will likely be dirty if your Stihl Bg 86 blower lacks enough power.
In this case, I recommend you clean the carburetor and check for any signs of wear and tear. Sometimes the engine runs poorly and shows signs of surging due to a restriction in the fuel filter. If your Stihl Bg 86 blower engine fails to start, the carburetor might need an adjustment.
If you notice fuel overflowing from the carburetor, you must adjust it correctly according to the user manual. Keeping the fuel and air kill filters clean is essential to prevent Stihl Bg 86 blower carburetor issues from recurring. It is also recommended to consult a professional mechanic for a better diagnosis.
Stihl Leaf Blower Bg 86 Fuel Mix Problems
Fuel mix problems can cause many issues, like engines not starting or running poor people. Sometimes you may notice excessive smoke or engine stalling due to an incorrect fuel mixture. I recommend you always use fresh fuel in the correct fuel mix recommended by the user manual.
Also, make sure to check if the power is old or wrong. The stale fuel will always degrade and leave residue sitting on time, causing damage to it. Make sure to use fresh energy less than 30 days old.
If the engine needs any replacement or repair, it. Rebuilding the engine of a Stihl Bg 86 blower can be labor-intensive, time-consuming, and complex. Therefore I recommend you to call the mechanic who can help you out.
It is always recommended to consult the user manual and use the correct fuel mixer for your Stihl Bg 86 blower, typically 50:1 of gasoline to two-cycle engine oil. Also, keep the carburetor clean to prevent any engine issues.
BG 86 Stihl Blower Spark Plug Issues
If your Stihl Bg 86 blower engine is not cranking or fails to fire, a faulty spark plug may be needed for replacement. If this is the case, replace the spark plug right away as soon as notice. Also, check whether it is on the correct gap setting according to the user manual.
If it does not, gap it correctly. You should also check for any signs of corrosion on the terminals and clean them as necessary. Corroded terminals might be causing the engine to crank but not fire.
In addition, if your Stihl Bg 86 blower engine runs unexpectedly, there might be an incorrect gap setting. Sometimes you notice the engine surging or lacking power due to a faulty air filter that requires proper cleaning.
If you ignore the regular maintenance of your Stihl Bg 86 blower, you will notice many signs of wear and tear on the Stihl Bg 86 blower on its engine due to over-usage and aging.
Keep the spark plug in good condition and the carburetor clean to prevent this problem from recurring. Make sure it is correctly gapped as well. If all these don’t resolve the Stihl Bg 86 blower’s spark plug issue, replace it.
BG 86 Stihl Blower Starting Problems
Many users have also reported starting problems due to many causes and issues. If you get no response when pulling the starter chord, it might be caused due to a faulty starter. In addition, a defective spark plug may cause the engine to crank but not start.
If this is the case, replace the spark plug as well. Since a clogged carburetor jet can also cause no response when pulling the starter chord, clean it if necessary. Sometimes the Stihl Bg 86 blower fails to start due to improper fuel flow to the carburetor.
Keep the calculator Jet clean all the time. If your Stihl Bg 86 blower fails to start in cold weather, its fuel will likely be thickened due to temperature drop. In this case, I recommend using a fuel additive to help reduce power.
Also, make sure to check the starter for any faultiness. According to the manufacturer, it is recommended to keep the carburetor jets, air filter, fuel filter, carburetor, and engine clean after every use. Also, make sure to use the correct fuel mixture and fresh fuel.
Bg 86 Stihl Blower Other Issues
- Excessive Vibration: Cars vibrate when running if any part is loose or damaged. It can also be caused due to an unbalanced amount that needs proper adjustment. Make sure to replace all the damaged parts as necessary and tighten any loose components.
- Leaking Fuel: If you notice a few leaks from the carburetor or the fuel line, you might have to replace the carburetor gasket or fuel tank cap. Sometimes tightening the fuel tank caps solves the issue. Make sure you are not overfilling the fuel tank as well.
- Excessive Noise: If your Stihl Bg 86 blower emits a loud noise when running, look for any loose component that needs tightening. Also, make sure to clean the air filter if necessary.
Conclusion
It is essential to check and maintain the Stihl Bg 86 blower regularly to keep it running smoothly and to extend its lifespan. Since carburetor problems, starting problems, and spark plug issues are a few of the most common problems reported by its user; you should take preventive measures to prevent the issues from occurring or recurring.
In addition to this, you should also make sure to pay attention to its regular maintenance. If you notice any damaged component that needs replacement, do it. If you have any experience in replacing vehicle parts, you can follow the user manual, and our article advises replacing any Stihl Bg 86 blower component.
However, if you don’t have any previous experience with fixing any vehicle/machine, contact a local mechanic. It is essential to get the original part or component directly from the manufacturer by visiting its authorized Store or online site.
If you find this article helpful in any way, kindly share it. Your share is going to help many people understand what the common issues that they are likely to encounter if they are going to purchase or have a Stihl Bg 86 blower. In addition to this, make sure to check our other helpful articles on common lawn mower/tractor issues. See you in the next post. Till then, take care and goodbye.

I’m David man behind Lawn Mowerly; I’ve been dealing with lawnmowers and Tractors with my father since I was a kid. I know every make and model and what each one is capable of and love helping people find the perfect lawn mower for their needs.