Owner`s manual

Maintenance
45
EMU34445
Maintenance chart 1
T
IP:
● 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
20 hours
(3
months)
100
hours (1
year)
300
hours (3
years)
500
hours (5
years)
Anode(s) (external)
Inspection or replace-
ment as necessary
Anode(s) (cylinder
head, thermostat
cover)
Inspection or replace-
ment as necessary
Anodes (exhaust cover,
cooling water passage
cover, Rectifier Regula-
tor cover)
Replacement
Cooling water leakage
Inspection or replace-
ment as necessary
Cowling lock lever Inspection
Engine starting condi-
tion/noise
Inspection
Engine idling speed/
noise
Inspection
Fuel filter (disposal
type)
Replacement
Fuel line(High pres-
sure)
Inspection
Fuel line(High pres-
sure)
Inspection or replace-
ment as necessary
Fuel line(Low pres-
sure)
Inspection