Brian72
ArboristSite Guru
I'm pretty sure it's got the newer parts. It was ordered from my dealer back in May. I never run it empty either. To be honest, I haven't ran it too much. Most times it fires right up but sometimes needs a little throttle on a restart. Certainly nothing to complain about. I'm gonna get it out this weekend and run it some more.Welcome.
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Does it have the new updated coil and intake.
Also is this only when you refuel, or hot starts in general.
I don't run the autotune/mtronic saws totally empty(nor do I do this to my others), I believe you are setting the carb to richen up since you are creating a lean condition, then when you refuel and try to start it with ample fuel it floods because it has had no time to adjust to the new condition(having fuel).
I also don't run any of my saws dry or low on fuel except to ship them, I'd be a liar to say it's never happened, but as a rule I don't. As soon as I hear a saw surge(lean condition) I shut it down, it trains your ears to hear when there is a problem, and it also keeps the internals of the saw lubed better which helps with the longevity of them. Picture a dry sump race engine vs a wet, I like the bearings and cylinder walls to have as much lubrication as they need and as consistently as possible.
The new autotune/mtronic saws are incredible when it comes to fuel economy, a 555 with run one tank to a similarly weighted 254xp(one of my old school favorites)and it is a 60cc saw with more power. I still have standard carb saws and don't think I will go full autotune/mtronic for a long time, but all my small
main tree work saws are autotune/mtronic saws, the fuel economy pays for them if your running gallons of fuel through a saw in a month.
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