Maintenance WM 90 Repair
wc_tx000392gb.fm 36
5. Maintenance
5.1 Periodic Maintenance Schedule
Before
each
use
Every
50
hours
Every
100
hours
Every
300
hours
Every
500 hours or
yearly
Check for fluid leaks.
Check engine oil.
Check fuel level.
Check for loose hardware.
Clean debris from engine.
Change engine oil*.
Clean air cleaner.
Check and clean spark plug.
Check and adjust valve clearances.
Remove carbon deposits from cylinder
head.
Disassemble and clean carburetor.
Clean fuel filter and fuel tank.
Replace fuel lines.
Overhaul engine.
* Change oil after initial 20 hours of operation on new or rebuilt engines.
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