Maintenance
EMU34445
Maintenance chart 1
TIP:
Refer to the sections in this chapter for explanations of each owner-specific action.
G
The maintenance cycle on these charts assume usage of 100 hours per year and regular
G
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
G
checks.
Expendable or consumable parts and lubricants will lose their effectiveness over time and
G
through normal usage regardless of the warranty period.
When operating in salt water, muddy, other turbid (cloudy), acidic water, the engine should
G
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
Anode(s) (external)
Anode(s) (cylinder
head)
Anodes (exhaust cover,
exhaust guide)
Battery (electrolyte
level, terminal)
Battery (electrolyte
level, terminal)
Cooling water leakage
Cowling lock lever
Engine starting condi-
tion/noise
Engine idling speed/
noise
Engine oil
Engine oil filter (car-
tridge)
Fuel filter (can be dis-
assembled)
Fuel line(Low pres-
sure)
74
Actions
Inspection or replace-
ment as necessary
Inspection or replace-
ment as necessary
Replacement
Inspection
Fill, charging or replac-
ing as necessary
Inspection or replace-
ment as necessary
Inspection
Inspection
Inspection
Replacement
Replacement
Inspection or replace-
ment as necessary
Inspection
Initial
20 hours
100
(3
hours
months)
(1 year)
Every
300
500
hours
hours
(3 years)
(5 years)