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Sounds like It's running lean if it won't hold a steady 1750 rpm. I've used 40 DRLA's on a 2180 before with 36mm vents, 160 mains, #2 emulsion tubes, 180 air correction jets, and 35 pump jets. The 40's were really too small for a 2180, but I never had a problem with drivability, unless one of the pilot jets stopped up.
Which....By the way.....
Sorry I never thought of this in a previous post, but a stopped up Idle jet will cause a serious shake at part throttle, and idle. Usually it goes away at 1/3 throttle and beyond. check each idle jet, jet holder, and idle circuit passage (the hole that it screws into) for a piece of dirt. Hummbug's got stopped up about twice a month, and my old sandrail (with the 2180) got it's jets pulled about once a week!
An electric guitar string makes a great jet cleaner. Use G, B, or high E as they are the ones that do not have nickel wire wound around them. They are about 016 012 and 009 guage, I think.
y-bone
Last edited by yetibone; January 5th 2003 at 16:52.
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