Yamaha EF2400is Surging Idle
My vintage 2007 EF has the dreaded surging idle. I pulled it apart and cleaned the idle jet, the main jet and the third pointy screw in the carburetor, and the dang thing still surges. Even though...
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Join the club. There are very few Yamaha service centers, and the ones I looked at ship the generator somewhere far away, so it may take weeks to get anything done. I like the 3000iSEB, but were I to go for another generator set, it would be a Honda eu3000i, or a eu2000i pair. Maybe even a eu2000i triplet set so the A/C units that marginally start on 3000 watts wouldn't be an issue.
I've found that Star-Tron seems to work better than Sta-Bil, provided you get a good brand of gas (Chevron.) However, Sta-Bil is far better than nothing. As for cleaning/curing hunting, "Start your Engines" by the Sta-Bil makers seems to have done the trick for me, but I'm sure SeaFoam will help as well.
I've found that Star-Tron seems to work better than Sta-Bil, provided you get a good brand of gas (Chevron.) However, Sta-Bil is far better than nothing. As for cleaning/curing hunting, "Start your Engines" by the Sta-Bil makers seems to have done the trick for me, but I'm sure SeaFoam will help as well.
