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Maintenance
57
NOTE:
When operating in salt water, turbid or muddy water, the engine should be flushed with clean
water after each use.
EMU28871
Maintenance chart (additional)
EMU28910
NOTE:
When using lead or high-sulfur gasoline, inspecting valve clearance may be required more
frequently than every 500 hours.
Spark plug(s)
Cleaning / adjustment /
replacement
Timing belt
Inspection / replace-
ment
Valve clearance (OHC,
OHV)
Inspection / adjustment
Item Actions
Initial Every
10 hours
(1 month)
50 hours
(3
months)
100
hours (6
months)
200
hours (1
year)
Item Actions
Every
500 hours (2.5 years) 1000 hours (5 years)
Timing belt Replacement