Minor Maintenance - Polaris Freedom 2002 Owner's Safety And Maintenance Manual

MAINTENANCE AND LUBRICATION

Minor Maintenance

Spark Plugs
Always use the spark plugs and
gap recommended on page 12.
Gap thickness (1) should be
measured with a wire thickness
gauge.
If the engine in your boat requires a resistor plug, (For Example:
in BPR8ES, the R indicates it is a resistor plug), never substitute
a non-resistor spark plug.
A slightly brownish tip is considered good. The engine is running
properly and the carburetor is adjusted correctly.
A black tip indicates several potential problems: the wrong spark plug
(wrong heat range) is being used; excessive idling; carburetor idle
speed mixture or high speed mixture is too rich; or there is a
malfunction with the RPM limiter.
A light grey or white tip indicates: the wrong spark plug (wrong heat
range) is being used; carburetor idle speed mixture is too lean; there is
a plugged fuel filter; or there is a leaking engine seal or gasket.
A yellow tip is caused by salt water mist ingestion. This is a
conductive coating which will eventually cause fouling. This is a
normal situation.
If the spark plug tip is black or grey have the watercraft serviced by
an authorized Polaris dealer as soon as possible.
CAUTION
CAUTION
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