Maintenance
80
dling hot parts or fluids.
Always completely reassemble the mo-
tor before operation.
Maintenance, replacement, or repair of
the emission control devices and sys-
tems may be performed by any marine
engine repair establishment or individual.
All warranty repairs, however, including
those to the emission control system,
must be performed by an authorized
Yamaha marine dealership.
A service manual is available for purchase
through your Yamaha dealer for owners who
have the mechanical skills, tools, and other
equipment necessary to perform mainte-
nance not covered by this owner’s manual.
EMU28512
Replacement parts
If replacement parts are necessary, use only
genuine Yamaha parts or parts of equivalent
design and quality. Any part of inferior quality
may malfunction, and the resulting loss of
control could endanger the operator and
passengers. Yamaha genuine parts and ac-
cessories are available from your Yamaha
dealer.
EMU35522
Maintenance interval guidelines
The service intervals provided in the Mainte-
nance Chart were developed based upon
“typical” use that includes operating at varied
speeds, with sufficient time for engine warm
up and cool-down, a medium to light load,
and an average cruising speed near the
3000 to 4000 rpm range. As with any engine,
however, if your normal operating conditions
are different, you should consider service
more often than shown, especially how often
you change your engine oil and gear oil. Ex-
amples might include extended wide-open-
throttle use or long periods of trolling or
idling, carrying heavy loads, or frequent
starting and stopping or shifting. More fre-
quent maintenance will often pay off many
times over in increased engine life and great-
er owner satisfaction. Consult your Yamaha
dealer for additional maintenance recom-
mendations.
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2019 Yamaha Motor Corporation, U.S.A.
