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Stihl BR800 Blower

1.3K views 6 replies 4 participants last post by  Eyeman  
#1 ·
Oct 2023 purchased new. July 2024 it started missing and reducing rpm after 30 minutes of running. Took it to the dealer where it was purchased and they replaced the fuel and fuel filter. They charged me $50 as it was “a fuel issue”. Somewhat upsetting as I only use premium, no ethanol, fresh gas and Stihl 50:1 oil. The same fuel in my line trimmer, brush cutter and chain saw. It has run fine since then, until yesterday when it began doing the same thing. I had purchased a replacement fuel filter, so I started to tackle that but decided to simply run it with no filter before putting the new one on. It did the same thing, 30 minutes and started missing and losing rpm until it quit running. Started it up, ran for a while and died again. I had this same problem with 2 previous 800‘s that I purchased at pawn shop. I returned both, they gave me full refunds so I purchased this one new. I do run it hard, maybe 45 minutes per day for leaves on a large driveway and multiple decks In our northern Wisconsin woods. I use almost a full tank of fuel per day. I cleaned the air filter(it was fine with dust like I expected), before winter and continue to use it to blow light snow. Again almost daily. I thought these things where commercial heavy duty. The unit is in the shop now, but my question is to anybody familiar with this unit. Is my unit a lemon or is this possibility an emissions issue. Is the EPA making Stihl adjust these things to a point of premature failure? I cannot be without a blower for more than a couple days. HELP.
 
#5 ·
I've had a Red Max blower for 12 years and have had the same problem but when It does exactly what yours does, I change the air filter and gas filter and it's good for sometimes over a year but on a couple of occasions less than 6 months. The air filter may look good and I've cleaned them but for some strange reason I have the same problem. I really don't think the gas filter has a lot to do with the problem but I change it anyway.
Don't want to write a book but the way I found about this was because I had the problem with my mower, took it to the dealer 4 times. Of course they cranked it and said it was fine. Didn't happen. So that's when I bought a new air filter and it was fine, even though the old filter looked good. Just a thought
 
#6 ·
I have a lot of faith in fixing things myself. It will take me longer to diagnose and repair than someone in the business, but at least it is not in cue to be looked at a shop. Were it me, I would go pick it up and dive back into it. But DIY is not everyone’s thing. If you do pick it up, as suggested, the first thing I would do is check the spark arrestor.