Indmar 5.7L Vortec Operator's Manual page 17

NOTICE
The above procedure is valid for the transfer of the
Emission Components warranty only. Refer to the
Limited Warranty in Section C of this manual for informa-
tion regarding warranty transfer of the remaining engine
components.
Emission Maintenance Requirements
The following component maintenance is required to
maintain the Emission Control System of your engine.
See Chapter 6, Maintenance, for procedures.
• Engine oil and filter: Change oil and filter after the first
10 hours then every 50 hours or annually, whichever
occurs first.
• Flame Arrestor: Clean every 100 hours. Replace as
necessary.
• Spark Plugs: Replace every 300 hours or annually,
whichever occurs first.
• PCV Valve: Replace every 300 hours or annually,
whichever occurs first.
• Spark Plug Wires: Inspect annually. Replace as nec-
essary.
Indmar Marine Engines
NOTICE
Ignition timing, engine idle speed and air-fuel mixture
are not adjustable on this engine. NO OTHER
ADJUSTMENTS NEEDED.
Emission Maintenance Procedures
Engine Oil and Filter: See Chapter 6, Maintenance
Spark Plugs: See Chapter 6, Maintenance
PCV Valve: See Chapter 6, Maintenance
Flame Arrestor: See Chapter 6, Maintenance
Spark Plug Wires: See Chapter 6, Maintenance
Breather Hose: See Chapter 6, Maintenance
Ignition Timing: See Chapter 6, Maintenance
Carburetor Adjustment: See Chapter 6, Maintenance
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