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rrh(at)rrhoyt.com
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 Posted: Mon Nov 29, 2010 5:14 pm Post subject: Rough running idle |
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912ul engine in storage for 3to4 years. New plugs still white on even
cylinders. Plug on #3cylinder is gray and looks moist and #1 cylinder
looked whiter. Set the idle jet to 1.5 turns to star. Had the engine
oil up to 137 deg but coulden't get a smooth idle by adjusting the idle
jet. Choke (Starting Carb) was off throttle somewhere around 2400 rpm.
Minimum that I could get without the engine quitting.
The cold engine ran just a rough using the choke. Had to keep the rpm
around 2700 rpm to keep it going.
Any ideas as to what to look for?
Thanks
Ron
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rickofudall
Joined: 19 Sep 2009
Posts: 1392
Location: Udall, KS, USA
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| Posted: Mon Nov 29, 2010 6:24 pm Post subject: Rough running idle |
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Ron, I had a similar problem after storing my 582. The idle passages in the carb body were plugged. Once I worked all the crud out of them the engine idled like a champ.
Rick Girard
On Mon, Nov 29, 2010 at 7:07 PM, Ron Hoyt <rrh(at)rrhoyt.com (rrh(at)rrhoyt.com)> wrote:
| Quote: | --> RotaxEngines-List message posted by: Ron Hoyt <rrh(at)rrhoyt.com (rrh(at)rrhoyt.com)>
912ul engine in storage for 3to4 years. New plugs still white on even cylinders. Plug on #3cylinder is gray and looks moist and #1 cylinder looked whiter. Set the idle jet to 1.5 turns to star. Had the engine oil up to 137 deg but coulden't get a smooth idle by adjusting the idle jet. Choke (Starting Carb) was off throttle somewhere around 2400 rpm. Minimum that I could get without the engine quitting.
The cold engine ran just a rough using the choke. Had to keep the rpm around 2700 rpm to keep it going.
Any ideas as to what to look for?
Thanks
Ron
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Zulu Delta
Kolb Mk IIIC
582 Gray head
4.00 C gearbox
3 blade WD
Thanks, Homer GBYM
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