S&S Cycle Super E and G Series Shorty Carburetors - Manual (Page 22)

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6- No air cleaner used or air cleaner used is brand other than S&S. Some air cleaners restrict air flow so that carb cannot draw air as freely
as needed. Also, some air cleaners may obstruct bowl vent hole on inlet end of carb and change bowl air pressure. See Picture 45.
NOTE: Bowl vent hole passage leads to cavity above fuel in bowl. Passage equalizes bowl pressure and atmospheric pressure. If high or low bowl pressure
relative to atmospheric pressure develops, engine may run erratically.
7- Insulator block between carb and manifold not used. Heat transfer from manifold to carb may cause temporary rich condition at idle
and low rpm when engine is restarted after being shut off for 10 to 20 minutes. Install insulator block to reduce heat transfer.
8- Air cleaner without element or air horn used without removing bowl vent screw located in downward facing boss on throttle cable side
of carburetor body. See Picture 35, page 15.
9- Valve train defect - Leaking or sticky valves, weak or broken springs, pushrod flex, improper clearances for high lift cam, or defective
camshaft with improper valve timing.
10- Inappropriate exhaust system.
NOTE: S&S® has found that long, large diameter exhaust pipes, either baffled or unbaffled, may present insurmountable tuning problems when combined
with S&S carburetor. If engine equipped with such pipes does not respond to normal tuning procedure, contact exhaust manufacturer for his tuning
suggestions or call S&S for exhaust recommendation.
11- Too much gear- Horsepower insufficient to pull gearing.
12- Incorrect float setting - Setting float too high will cause engine to run rich at idle and at low speeds, and may prevent jet change from
correcting over rich mixture. Float setting too low will cause poor off idle response and may cause mixture to "lean out" at high speed
or when motorcycle leaned over in curve due to insufficient fuel reserve in bowl. See General Information on Page 25 for float jetting
instructions and specifications.
13- Fuel standoff - Occasionally, fuel may be seen misting out carburetor when air cleaner is removed. Because carburetor is simply a
conduit through which air and fuel enter engine, it does not cause fuel standoff. Usual cause is cam timing.
14- Overflow hose missing from the carb bowl can cause engine to miss and break up at high speeds. This problem will more than likely not
occur on the dyno because the motorcycle is not moving through the air.
Adjustable Air Bleed for Super E and G Carburetors
The main air bleed passage in S&S Super "E" and "G" carburetors produced for the 2004 model year and later is fitted with a replaceable .040"
jet in place of the .040" drilled main air bleed passage. The replaceable jet allows changing the size of the main air bleed. Carburetors with this
modification can be identified by a serial number that begins with the letter E or higher. See Picture 46.
Picture 45
Picture 46
.040" drilled main air bleed. All E & G with
serial number starting with D or lower. .040" replaceable man air bleed. All E & G
with serial number starting with E or higher.