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The importance of maintenance
Safety is an obligation of the owner. Periodic inspection, adjustment and lubrication will
keep your multi-purpose engine in the safest and most efficient condition possible. The
most important points of multi-purpose engine inspection, adjustment, and lubrication are
explained on the following pages.
WARNING
If you are not familiar with maintenance work, have a Yamaha dealer do it for you.
Maintenance schedule
Maintenance chart
WARNING
Stop the engine before starting maintenance work.
Use only Yamaha specified genuine parts for replacement. Ask an authorized
Yamaha dealer for further information.
Check spark plug
Check muffler and spark arrester
Check oil level
Change engine oil
Change oil filter cartridge
Clean shrouds and cooling area
Check and change fuel filter
Check fuel line
Clean oil cooler fins
Check air filter element
Replace air filter element
Check air filter inner element
Replace air filter inner element
Check valve clearance
Clean combustion chamber
Idle speed
Fitting/fastener
Periodic maintenance
Daily
50 hrs 100 hrs 200 hrs 250 hrs 500 hrs
(*1)
1000
hrs
(*2)
(*2)
(*2)
(*2)
10
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