Question about Stihl BR400 Backpack Leaf Blower

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Stihl BR400 backpack blower will not reach the high rpm need for leaf blower.

The bower will not reach high rpm when throttle is opened. changed carb. kit. with breather filter is moved. there is a little fuel spitting out

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Posted on Jan 02, 2017

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SOURCE: Stihl Leaf Blower no top speed model BG86C

If there is a spark arrester in the muffler outlet check this is not blocked with carbon.

Posted on Jun 10, 2012

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SOURCE: Stihl Leaf Blower BG86c no top speed

take off the muffler and run it the screen inside it might be plugged and you can clean it off by opening the muffler

Posted on Jun 13, 2012

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SOURCE: STIHL BG75 LEAF BLOWER ELEC. SYSTEM

The unit uses a magneto system. To test the module remove the black wire from the module then reassemble unit and test for spark ( spinning by hand will not work, you need to use the starter rope to get the needed RPM to create a spark). If you have no spark with the ground wire disconnected the module is bad and needs to be replaced. If you DO have spark with the ground wire disconnected then you have a pinched wire going to ground or a bad stop switch

Posted on Oct 15, 2012

irtlmn
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SOURCE: How do I replace the Stihl BR400 backpack leaf blower fuel pickup body and fuel line?

remove the fuel tank is the easiest way... but to change the fuel lines to the carb you have to remove it as well

Posted on Oct 26, 2014

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1 Answer

Run for a second a quits


3 things you need for an engine to run.

Spark, Fuel, Compression.
Check you have all 3 and that they are GOOD. I suspect its a fueling issue, Either Its not getting to the carb or not getting to the cylinder.

Aug 14, 2015 | Stihl BR400 Backpack Leaf Blower

1 Answer

How do I replace the Stihl BR400 backpack leaf blower fuel pickup body and fuel line?


remove the fuel tank is the easiest way... but to change the fuel lines to the carb you have to remove it as well

Oct 26, 2014 | Stihl BR400 Backpack Leaf Blower

1 Answer

How to fit coil into a br 400 stihl blower


located by the flywheel, held on by 2 screws. When setting the timing gap it should be 0.25 feeler guage.

Aug 20, 2013 | Stihl BR400 Backpack Leaf Blower

1 Answer

Oil leaking from an older homelite weedeater


Oil leaking.? The only oil that would be in the machine would be the 2 stroke mixed in the fuel.. I dont understand where 'oil' would be leaking from. (more info please)

Also your question refers to an 'older homelite weedeater' yet its titled 'Problem with Stihl BR400 Backpack Leaf Blower' Which one is it.?

Mar 14, 2013 | Stihl BR400 Backpack Leaf Blower

1 Answer

Have Stihl model Br400 Backpack the problem is the engine will not reach top rpm.


The oil to gas ratio is off - you need to either dump the fuel or run all the fuel out of the unit clean the carb and tank - replace the plug and filter mix gas and oil to correct ratio start and let run for 10 to 15 minutes - your carb may need to be adjusted as well.

Jan 08, 2013 | Stihl BR400 Backpack Leaf Blower

1 Answer

Throttle trigger does not retract


Item 6 on the plan are spring washers, i cannot see any other tension springs that control the retraction of the trigger. Hope this helps you.3_2_2013_11_20_49_pm.jpg

Jan 06, 2013 | Stihl BR400 Backpack Leaf Blower

1 Answer

Stihl BR 400 causes for no spark


check the shire pin on the flywheel and also check your on/off switch

Aug 02, 2012 | Stihl BR400 Backpack Leaf Blower

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