Stihl Backpack blowers

[Ace4059]

I see the Stihl line up of backpack blowers (br600 and above) use a 4 cycle “mix” engine. I was reading it needs a 50:1 of Stihl ultra oil and only that due to ash that can build up on the valves.
First off I hate Stihl ultra oil in chainsaws. I feel It doesn’t provide adequate oil in the crankcase, and very little oil on the cylinder walls. I prefer red armor at 40:1 because of the FD rating, better cleaning, cleaner burning, a little thicker and it pools down in the crankcase providing a little more protection.
Basically I want one mix for all my 2 stroke equipment. Will a 40:1 mix be bad for the design of the Stihl 4 cycle mix motors causing damage to the valves due to “extra ash”.
One of the few issues with the BR600,700 and 800 is the crankshaft failure from a copper bushing, which I’m hoping the 40:1 will help prevent this.
If this is a concern, should I be looking at the Echo 9010 that has a conventional 2 cycle engine?

 

[ammoaddict]

I see the Stihl line up of backpack blowers (br600 and above) use a 4 cycle “mix” engine. I was reading it needs a 50:1 of Stihl ultra oil and only that due to ash that can build up on the valves.
First off I hate Stihl ultra oil in chainsaws. I feel It doesn’t provide adequate oil in the crankcase, and very little oil on the cylinder walls. I prefer red armor at 40:1 because of the FD rating, better cleaning, cleaner burning, a little thicker and it pools down in the crankcase providing a little more protection.
Basically I want one mix for all my 2 stroke equipment. Will a 40:1 mix be bad for the design of the Stihl 4 cycle mix motors causing damage to the valves due to “extra ash”.
One of the few issues with the BR600,700 and 800 is the crankshaft failure from a copper bushing, which I’m hoping the 40:1 will help prevent this.
If this is a concern, should I be looking at the Echo 9010 that has a conventional 2 cycle engine?

I would buy an echo blower over a stihl any day of the week but that's just my opinion. I have a stihl 4mix pole saw and I run dominator 32:1 in it just like I do everything else.

 

[Joe Kidd]

Dom or Yama2r 40:1 in mine for years. Stihl BP, pole saw, & hedge trimmer.

 

[bogieboy]

I see the Stihl line up of backpack blowers (br600 and above) use a 4 cycle “mix” engine. I was reading it needs a 50:1 of Stihl ultra oil and only that due to ash that can build up on the valves.
First off I hate Stihl ultra oil in chainsaws. I feel It doesn’t provide adequate oil in the crankcase, and very little oil on the cylinder walls. I prefer red armor at 40:1 because of the FD rating, better cleaning, cleaner burning, a little thicker and it pools down in the crankcase providing a little more protection.
Basically I want one mix for all my 2 stroke equipment. Will a 40:1 mix be bad for the design of the Stihl 4 cycle mix motors causing damage to the valves due to “extra ash”.
One of the few issues with the BR600,700 and 800 is the crankshaft failure from a copper bushing, which I’m hoping the 40:1 will help prevent this.
If this is a concern, should I be looking at the Echo 9010 that has a conventional 2 cycle engine?

The crank failures werent due to a bushing, it was due to an improperly manufactured piston pin which has been changed in the current stock of blowers.

That said, all i run in all my 2 stroke is stihl ultra for the last 10 yrs, and have not had a single failure...12 chainsaws, 3 weed whips, 4 blowers (3 handheld, one br600. I run the ultra at 40:1, exept in my gas rc boat, where it runs at 12:1, due to 20k rpm under full load... and none of them have carbon fouling, nor any signs of scoring or lack of oil... stihl doubles your warranty with a 6 pack of thier oil at the time of purchase for a reason... and it aint because they want to sell you something that will cause warranty claims.... just saying...

 

[Squareground3691]

Have a 700 that’s 8 years old and a 800 that’s 4 years old, running Motul and Dominator in both with no issues and use quite often, and run great , Echo makes a fine machine to ,

 

[EFSM]

If this is a concern, should I be looking at the Echo 9010 that has a conventional 2 cycle engine?

Have you ever run a 9010? Almost without fail, when I let a customer run one a few minutes, they walk out the door with it. It's like having a dirt bike on your back.

 

[StickToTheCode]

I run mine used facebook non running br650, 40:1 saber. Had to re-tune carb but been going on homeowner use pine needles for past 3 years no issues.

 

[Ace4059]

I went by the store and tried on both the Echo and the Stihl. I was going with the Echo, (that’s what they recommended) and the counter was going to order me a hip strap but after some research that’s not available in the US from Echo.
The Stihl was more comfortable with the hip strap on my back and for me a little better.
But I would have to agree, the Echo is more powerful and moves around leaves quicker. It maybe a better machine overall, but I had to get the one that fit me. I’m sure the Stihl will be good enough for my needs on the farm.