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Yeah, I'm very happy with mine. I've been putting the 87 mix in my mower and it doesn't smoke or even miss a beat! On a side note: The curved nozzle on the PB-255 looks like it fits the PB-251 and is only about $8. Good for another 15mph.

Thanks again. Checked the warranty documentation and it's right there in black and white - 89 octane minimum. So, it's coming out of the ECHO and into my Honda HRM215 lawnmower. That's a more palatable alternative to me than putting it into my car. If it gunks anything up in the mower, I can...

Looks like I can't take the risk of voiding the warranty. That's why I wanted the ECHO in the first place - for the 5 year warranty. Going to try to find a gas station to take the 87 mix or run it in my car if I can't come up with another option. Thanks for all the help.

That's exactly what I was worried about! If I put it in the car it won't damage the cat or O2 sensors, etc?

Think I'll cause any damage to the engine, especially since it's brand new and still in the break in period? Kills me to run the 87 as I swore I was going to maintain this blower 'by the book'!

Hey there, I have a spanking brand new ECHO leaf blower (PB-251) that I got yesterday for Father's Day and had a question about octane. I mixed up a one-gallon batch of 2 cycle fuel mix using 87 octane and in my excitement forgot that the manual calls for 89 until just now. I topped off the...