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Greg Greer Samba Member
Joined: September 19, 2013 Posts: 7 Location: Boone, NC
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Posted: Sat Aug 01, 2020 5:53 pm Post subject: Idle Air Metering Jet Orientation Solex P 40II |
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I can only get my # 4 cylinder to idle by slightly backing off the idle metering jet by about 1/6 of a turn counter clockwise. My other idle metering jets are turned in completely and run fine. I have tried switching this jet with other idle metering jets, however, it is the same story. It will only run if the jet is backed off about 1/6 of a turn. I can turn this cylinder on and off just by this slight turn.
My mixture screws are turned consistently out, however #4's mixture screw only has an effect when the idle metering jet is backed off the slight 1/6 of a turn. I have cleaned this circuit with carburetor cleaner and my idle air bleed is clear. I cannot detect any air leaks or ignition issues. I have good compression and spark. The engine runs fine off idle range. The questionable JET IS #9 in the first pic and Letter g in the second pic. Any advisement appreciated.
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[email protected] Samba Member
Joined: December 28, 2016 Posts: 280 Location: atlanta ga
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old DKP driver Samba Member
Joined: March 30, 2005 Posts: 4145 Location: Los Gatos,Ca.
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Posted: Fri Aug 14, 2020 7:57 pm Post subject: Re: Idle Air Metering Jet Orientation Solex P 40II |
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Hello,
First off isn’t your carburetor picture of a 40 P11 carburetor?
The jet is called an idle jet and it’s probably clogged
Isn’t your engine a 4 cylinder? 356. Or 912
Chris _________________ V.W.owner since 1967 |
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