Set choke, prime bulb, pull to a pop, open choke, pull to run.
If you want a smooth first pull every time, you are in the right place. I have started, serviced, and fixed many handheld blowers, and this guide breaks down how to start stihl leaf blower bg 86 in clear, simple steps. You will learn the controls, the fuel mix, the exact start process, and how to fix common hiccups. Keep reading to master how to start stihl leaf blower bg 86 with confidence and care.
Safety and Setup
A calm start begins with good setup. Place the blower on flat ground. Keep kids, pets, and debris away. Do not start indoors.
Wear basic safety gear. Eye and ear protection are a must. Gloves help with grip. Tie back hair and remove loose items.
Check the blower before you pull. Make sure the tube is clear. Confirm the spark plug boot is tight. Verify the stop switch returns to run.
Small steps prevent big issues. This makes how to start stihl leaf blower bg 86 simple and safe. It also helps the engine last longer.
Know Your BG 86 Controls
A quick tour saves time and sweat. Most units include these parts:
- Purge bulb. Push it several times to move fuel to the carb.
- Choke lever. Closed for cold start, then open after it fires.
- Throttle trigger and lockout. Press the lockout to squeeze the trigger.
- Starter grip. Pull smooth and straight.
- Stop switch. Tap to stop. It returns to run on most models.
Your model may have a fast-idle start feature. If it does, it sets a higher idle for starts. Use it only for starting. Release with a quick trigger blip after the engine runs.
When you know the controls, how to start stihl leaf blower bg 86 feels easy. Confidence rises and mistakes drop.
Fuel and Mix That Work
Use fresh fuel. Old fuel causes most hard starts I see. Mix gasoline with two-stroke oil at 50:1, as the maker requires. That is 2.6 ounces of oil per gallon of gas.
Choose fuel with no more than 10% ethanol. Higher blends dry out fuel lines. If you store fuel, add a stabilizer. Label the can with the mix date.
Check the mix if the blower sat for months. Drain and refill with fresh fuel. This one step solves many start issues with how to start stihl leaf blower bg 86.
Exact Cold-Start Steps
Follow this order. It cuts start time and effort.
- Move to a clear area. Set the unit on the ground.
- Fill the tank with fresh 50:1 mix. Tighten the cap.
- Press the purge bulb 5 to 7 times. Stop when you see fuel in the bulb.
- Set the choke to closed for a cold engine.
- Hold the blower with one hand on the housing. Keep the nozzle clear of dirt.
- Pull the starter grip slowly until you feel resistance. Then pull fast and short.
- Listen for a “pop” or brief fire. It may run for a second, then stop.
- Move the choke to open or run after that pop.
- Pull again. It should start within 1 to 3 pulls.
- Blip the throttle to set idle if your model needs it. Let it warm for 30 to 60 seconds.
If the engine tries to run but stalls, open the choke and try one more pull. Keep the rope pulls under shoulder height. Use smooth strokes. This method is the core of how to start stihl leaf blower bg 86.
Warm Start Steps
- Do not use choke on a warm engine.
- Press the purge bulb 2 or 3 times.
- Pull 1 to 3 times to start.
- If it stumbles, add half choke for one pull, then open.
If You Flood It
- Move choke to open.
- Hold the throttle wide open.
- Pull 6 to 10 times until it starts.
- If still flooded, remove the plug, dry it, pull 5 times to clear, refit, and try again.
These patterns match what I see in the field. They keep how to start stihl leaf blower bg 86 smooth and repeatable.
Troubleshooting When It Will Not Start
Start with the basics. Small fixes solve most cases.
- Fuel age. If over 30 days old, replace it.
- Purge bulb. It should fill with fuel. If not, check lines for cracks.
- Choke use. Many pulls with choke closed will flood it. Open and clear.
- Spark plug. Inspect for carbon. Gap to spec if you have a gauge. Replace if worn.
- Air filter. Clean or replace if dirty. Good air helps cold starts.
- Exhaust screen. A clogged screen chokes the engine. Clean as needed.
If it starts but quits at idle, adjust idle speed slightly, or clean the carb if fuel was old. These checks align with how to start stihl leaf blower bg 86 in real use, not just on paper.
Maintenance That Makes Starts Easy
Light care pays off every weekend.
- Use fresh 50:1 fuel with a quality oil.
- Clean the air filter every 10 hours in dusty work.
- Replace the spark plug each season or as needed.
- Inspect fuel lines for soft spots or cracks.
- Keep the recoil area clean. A clean rope path gives a smooth pull.
I service many units that only need these steps. Do them, and how to start stihl leaf blower bg 86 becomes a one-pull habit.
Storage and Seasonal Startup
Storage can make or break your spring start.
- For short storage up to 4 weeks, leave fresh fuel in and run it monthly.
- For long storage, drain the tank. Run the engine dry. This protects the carb.
- Store in a dry, cool place. Keep dust off the air intake.
At the next season, use fresh mix and a new plug. Prime as normal and pull. This approach builds trust in how to start stihl leaf blower bg 86 after months off.
Expert Tips and Common Mistakes
These small moves save time and strain.
- Prime until you see fuel, then stop. Over-priming floods the engine.
- Pull with short, fast strokes. Long pulls tire you and add no value.
- Open the choke as soon as it pops. Waiting floods it.
- Keep the tube off loose gravel. It can shoot debris.
- Mark your fuel can “50:1.” This avoids bad mixes later.
I learned these during busy fall cleanup seasons. When you follow them, how to start stihl leaf blower bg 86 is fast, safe, and repeatable.
Frequently Asked Questions of how to start stihl leaf blower bg 86
What is the correct fuel mix for the BG 86?
Use a 50:1 mix of gasoline and two-stroke oil. Fresh fuel under 30 days old works best.
How many times should I press the primer bulb?
Press 5 to 7 times for a cold start. For warm starts, 2 to 3 presses are enough.
Do I need the choke every time I start?
Use choke only on a cold engine. For warm starts, leave the choke open.
What should I do if my BG 86 is flooded?
Open the choke and hold full throttle. Pull 6 to 10 times, or remove and dry the plug.
Why does my blower start and then stall?
It may need the choke opened sooner, fresh fuel, or a clean air filter. A small idle speed tweak can also help.
How often should I replace the spark plug?
Check it each season and replace if worn or fouled. Frequent short runs or old fuel may foul it faster.
Can old fuel stop the blower from starting?
Yes, stale fuel is a top cause of no-start issues. Drain and refill with fresh 50:1 mix.
Conclusion
You now have a clear plan to prime, choke, pull, and run with confidence. Use fresh fuel, follow the right choke steps, and make small checks before you pull. With these habits, how to start stihl leaf blower bg 86 becomes quick and stress-free.
Try the steps today and note your results. If this guide helped, share it with a friend, subscribe for more tool tips, or leave a comment with your own start trick.
