2-21 PERIODIC MAINTENANCE
FUEL MIXTURE CHECK (O
2
FEEDBACK)
Perform every 2 years.
B
Before performing a fuel mixture check (O
2
feedback),
the outboard motor must be checked to be sure that
it is free of any trouble codes or operational prob-
lems.
NOTE:
See “O
2
FEEDBACK SYSTEM” section on page 3-32 before
starting O
2
feedback operation.
There are two methods available for performing the O
2
feed-
back operation :
(a) Using a personal computer and the Suzuki Diagnostic Sys-
tem software.
(Suzuki recommends using this method as it is possible to
monitor the feedback condition.)
(b) Using the diagnostic harness without a personal computer.
Refer to the “ Suzuki Diagnostic System operation manual” for
the “a” method procedure.
The “b” method procedure is as follows :
A
To prevent any sudden boat movement, the boat must
be securely moored to the dock while the test wheel
equipped engine is running in gear during the feed-
back test procedure.
1. Remove propeller and install a test wheel.
09914-79410 : Test wheel
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zz
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