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  7. Idle Mixture Screw - 10 x 32 X 1.311" - 16-122
Idle Mixture Screw - 10 x 32 X 1.311
Idle Mixture Screw - 10 x 32 X 1.311", 16-122

Idle Mixture Screw - 10 x 32 X 1.311" - 16-122

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Your Price: $4.95
10-32 X 1.311"
Part Number: 16-122
Availability: In Stock

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Idle mixture screw. 10-32 x 1.311" (overall length). Price is for 1 screw + spring.

Includes:
Carter BBD
Rochester 2G, 2GC, 4G, 4GC, Monojet

Note: Any one type of carburetor can require more than one size of screw. Unfortunately there is no direct interchange between a carburetor application and our idle mixture screws. It is important that you match the measurements and also the taper of the screw. The length can vary as long as the taper is the same.


Adjusting the Idle Mixture Screws

The idle mixture screws only affects idle. They simply control the amount of fuel and air mixture that is delivered at idle.

First run the screws in all the way until they seat, lightly. Too hard and you will damage the screw. Now back the screw out until the specified rpm is achieved. Turning the idle mixture screws clockwise (in) leans the idle mixture. Turning the idle mixture screws counter clockwise (out) richens the mixture.

Turn the mixture screws, alternating between the two in 1/4 turn at a time until the engine rpm starts to drop, then turn them back out 1/4 of a turn.


When adjusting your idle mixture screws doesn't seem to change the engine rpm much is an indication that there is something wrong and could be an indication of a needed rebuild.

Includes but not limited to these carburetor numbers:
7010070, 7011570, 7011600, 7013044, 7013069 7013075, 7013100, 7015040,  7015062, 7019040,  7019042 7019060 7019074 7019075 7019076 7019077, 7020023, 7020024, 7020040, 7020041, 7020060, 7020074 7020075 7020076 7020077,  7023040, 7023063 , 7023064 , 7023065, 7023143, 7024040, 7024056 7024057, 7024058, 7024059, 7024110, 7024123, 7024124, 7024127, 7024128, 7024155 7024156, 7025123, 7025124, 7025040 7025042 7025140 7026040
7019042 7024056, 7024057, 7024058, 7024059, 7024155, 7024156 7013069, 7013075, 7015062, 7015073, 7019060, 7020060 7019074, 7019075, 7019076, 7019077, 7020074, 7020075, 7020077 7023063, 7023064, 7026066
7008737 7009661 7009846 7011108 7011161 7011487 7012126 7012128 7012145 7012303 7013004 7013006 7013010 7013012 7013021 7013023 7013025 7015004 7015006 7015010 7015012 7015025 7019004 7019006 7019010 7019014 7020006 7020012 7020022 7020025 7020029 7023006 7023012 7024120 7024121 7024122 7024125 7024126 7024220 7024225 7024226 7025121 7025122 7025126 7025127 7025128 7026121 7036118 7036119 7036120 7036121

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