Maintenance
72
EMU46073
Maintenance chart 1
Refer to the sections in this chapter for explanations of each owner-specific action.
The maintenance cycle on these charts assume usage of 100 hours per year and regular
flushing of the cooling water passages. Maintenance frequency should be adjusted when
operating the engine under adverse conditions such as extended trolling.
Disassembly or repairs may be necessary depending on the outcome of maintenance
checks.
Expendable or consumable parts and lubricants will lose their effectiveness over time and
through normal usage regardless of the warranty period.
When operating in salt water, muddy, other turbid (cloudy), acidic water, the engine should
be flushed with clean water after each use.
The “ ” symbol indicates the check-ups which you may carry out yourself.
The “ ” symbol indicates work to be carried out by your Yamaha dealer.
Item Actions
Initial Every
Page
20 hours
(3 months)
100 hours
(1 year)
300 hours
(3 years)
500 hours
(5 years)
Anode(s) (external)
Inspection or
replacement as
necessary
84
Anode(s) (internal)
*1
Inspection or
replacement as
necessary
—
Anode(s) (internal)
*2
Replacement —
Battery (electro-
lyte level, terminal)
Inspection 85
Battery (electro-
lyte level, terminal)
Fill, charging or
replacing as nec-
essary
—
Cooling water leak-
age
Inspection or
replacement as
necessary
—
Cowling lock lever Inspection 44, 46
Engine starting
condition/noise
Inspection 49
Engine idle
speed/noise
Inspection 77
Engine oil Replacement 77
Engine oil filter
(cartridge)
Replacement 80
6C1-9-7J-1E0.book 72 ページ ２０１９年１０月３０日 水曜日 午後２時５６分
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