Page 927 - 2006 HARLEY FLSTCI SERVICE MANUAL

4.2

REMEDY Clean or replace valve and clean seat. Clean and clear cavity and fuel supply tract. REMEDY Clean contaminants and clear passages. Clean contaminants and clear passages. REMEDY See VACUUM PISTON ASSEMBLY which follows.

Table 4-1. Overflow Troubleshooting

Unclog system. Tighten screws. Replace O-ring. Adjust float tab for correct fuel level. Replace float assembly. Adjust idle speed. Correct as required. Repair. Tighten jet. Adjust, clean or replace. Instruct rider. Modify riding habits. Adjust operating idle speed. Clean or replace as required. Replace accelerator pump nozzle. Clean and clear passages. Adjust float level. Tighten jets. Replace needle or needle jet. Adjust, clean or replace. Clean and clear passages.
Table 4-2. Poor Idling Table 4-3. Poor Fuel Economy
FUEL SYSTEM TROUBLESHOOTING

CHECK FOR Damaged or restricted fuel tank venting system. CHECK FOR Contaminated or plugged low speed system. CHECK FOR Dirty air cleaner element (may also affect idle speed).

CARBURETOR Loose float bowl screws. Damaged float bowl O-ring. Improper fuel level in float bowl. Worn or dirty inlet valve or seat. Damaged or leaking float assembly. Particle contamination in inlet fitting cavity. Idle speed improperly adjusted. Inlet system air leak. Leaking accelerator pump. Loose low speed jet. Plugged low speed jet. Enrichener valve not seated or leaking. Excessive enrichener use. High speed riding style. Idle speed improperly adjusted. Vacuum piston assembly malfunction. Excessive accelerator pump output. Plugged or restricted bowl vent. Fuel level too high. Worn or damaged needle or needle jet. Enrich

HOME Loose jets. 4-2