2003 Johnson ST 55 HP WRL 2 Stroke Commercial Service Repair Manual, P/N 5005483, Page 103Get this manual

2003 Johnson ST 55 HP WRL 2 Stroke Commercial Service Repair Manual, P/N 5005483, Page 103

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FUEL SYSTEM COMPONENTS
Intake Manifold
The intake manifold houses the reed valve assemblies, which control the flow of fuel to the cylinders
Primer Pump
Fuel mixture enrichment