Page 936 - 2006 HARLEY FLSTCI SERVICE MANUAL

4.5 4-11

NOTE For engine idle speed and enrichener adjustments, see 1.24 THROTTLE CABLES and 1.26 IDLE SPEED AND IGNITION Float Bowl Inlet (Needle) Valve NOTE Four sided inlet valves may be used in any Keihin carburetor. Three sided inlet valves should not be used in C.V. carbure- tors because they may cause carburetor overflow. Remove carburetor. See REMOVAL under 4.4 CARBU- Remove float bowl and inlet valve. See DISASSEMBLY. Perform float level adjustment. See Float Level which fol- Install float bowl. See ASSEMBLY. Install carburetor. See INSTALLATION. 1 2 Figure 4-6. Vacuum Piston At Rest 2006 Softail: Fuel System

FLOAT BOWL TIMING: CARBURETED. Replacement 1. RETOR. 2. Install new inlet valve. 3. 4. lows. 5. 6. 7365 Vacuum piston slide 1. Horizontal groove 2.

OPERATION CHECK – VACUUM PISTON Opening Malfunction could result in death or serious injury. Closing Malfunction smoothly and fully to stop. BLESHOOTING and Table 4-9.

CARBURETOR ADJUSTMENTS 1WARNING 1WARNING While observing piston slide movement be sure to main- tain a safe distance from the carburetor and wear suit- able eye protection. An unexpected engine backfire With air cleaner cover off and engine running, partially open and close throttle control several times to see if vacuum piston has upward movement. If piston does not rise, see 4.2 FUEL SYSTEM TROUBLESHOOTING and With engine not running, lift vacuum piston with finger. Feel whether piston lifts fully and smoothly or whether it With engine not running, lift vacuum piston to full open position, then release. See if piston slides downward See Figure 4-

HOME 1. Table 4-8. 2. binds. 1. 2.