108
MOD474
WATER PUMP
NOTE: The water pump is only serviceable as an
assembly (see Engine section — Removing Cylinder
Head and Related Components).
Troubleshooting
Problem: Starting impaired
Condition Remedy
1. Gas contaminated 1. Drain gas tank and fill with clean gas
Problem: Idling or low speed impaired
Condition Remedy
1. Throttle body out of sync 1. Diagnose throttle body — Perform full verification on throttle
body
Problem: Medium or high speed impaired
Condition Remedy
1. Fuel pump obstructed — insufficient pressure 1. Diagnose fuel pump — replace
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