S&S Super E and G Series "Shorty" Carburetors REMOVAL, Installation and Jetting Instructions

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Filed Under (S&S) by admin on 29-10-2010

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Remove Old Carburetor WARNINGS ● Gasoline is extremely flammable and explosive under certain conditions. Do not smoke around gasoline. Gasoline fumes are toxic when inhaled. Perform installation in a well ventilated area away from open flames or sparks. Any gasoline leak or spill constitutes a health and fire hazard. ● If motorcycle has been running, wait until engine and exhaust have cooled to avoid getting burned during installation. ● Electrical sparks can ignite explosive gasoline fumes. Failure to disconnect battery while working on motorcycle can also result in inadvertent engagement of starter and personal injury. A. Shut off fuel petcock and disconnect battery. B. Remove air cleaner assembly. Drain fuel from existing carburetor. Remove carburetor, manifold, choke cable and any carburetor mounting hardware NOTE – Removing and tightening hard to reach Allen bolts such as carb-manifold mounting bolts and V2 manifold flange bolts can be greatly simplified by the use of Allen ball-end drivers. These tools are available at most automotive and tool supply houses. See Picture 9. Additionally, Performance Plus of Evansville, Indiana, produces a hex wrench specially modified for accessibility of V 2 manifold bolts. Call 812-963-8854 for further information. As alternative, standard hex wrench can be shortened for convenience. NOTE – Some Buell motorcycles have a breather fitting with 90° elbow on rear head. Due to proximity of frame, elbow must be removed before fitting can be taken off engine. Loosen fitting and rotate to position convenient for cutting elbow. Secure fitting by tightening against cylinder head. Elbow may be inaccessible to hacksaw. In most instances, a die grinder with cutoff wheel will remove elbow with little difficulty. If die grinder is unavailable, grasp elbow firmly with pliers and snap off, then remove fitting. CAUTION – Extreme care must be taken to prevent metal chips from entering engine when elbow is removed. S&S recommends packing breather fitting with gease before removing elbow. Metal chips inside engine will cause extensive damage. Installer bears all responsibility for containment of chips and other debris. Picture 2 Picture 4 Picture 3
5 2. Prepare Air Cleaner Backplate NOTE – Fast idle lever screws, part #11-2384, must not be overtightened. Loctite or other thread locking compound may be used sparingly on threads to prevent screws from vibrating loose. CAUTION – Overtightening fast idle screws may damage backplate. A. All engines except V2s 1. Knuckles & Pans, 1936 to 1965 – Press plugs, part #50-8312, into holes in air cleaner backplate. See Picture 2 . 2. Shovels, 1966 to 1979, and Ironhead (IH) XLs, 1957 to 1979 – Press plug, part #50-8312, into hole in air cleaner backplate. See Picture 3 . 3. Shovels 1980 to 1984 and IH XLs 1980 to 1985 – Screw crankcase breather vent elbow fitting, part #50-8110, into hole in air cleaner backplate and angle downward as shown in Picture 4 . On 1983 and 1984 Shovels press plug, part #50-8312, into other hole on left. 4. Assemble fast idle mechanism as shown in Figure A . B. FL V2s 1984 to 1992 1. Press plug, part #50-8312, into hole on left in air cleaner backplate as shown in Picture 5 . 2. Screw vent hose elbow fitting, part #50-8110, into remaining hole at right. See Picture 5 . 3. Assemble fast idle mechanism as shown in Figure A . C. XL V2s 1986 to 1990 1. Press plug, part #50-8312, into hole on right in air cleaner backplate as shown in Picture 6 . 2. Screw vent hose nipple fitting, part #50-8111, into remaining hole at left. See Picture 6 . Elbow fitting, part #50-8110, supplied in kit may also be used in this location if required. 3. Assemble fast idle mechanism as shown in Figure A . D. FL V2s 1993 and up and XL V2s 1991 and up 1. Press plugs, part #50-8312, into both holes in air cleaner backplate as shown in Picture 7 . 2. Assemble fast idle mechanism as shown in Figure A . E. Buell motorcycles, 1994 and up 1. Assemble fast idle mechanism as shown in Figure A. 3. Throttle Preparation NOTE – Throttle grip assembly must be assembled correctly and work freely to prevent possible sticking during operation. Throttle must snap closed when released. Cable routing must be free of tight bends to minimize friction between cable and housing

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