Maintenance
EMU34446
Maintenance chart 1
TIP:
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 op-
erating 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
Anode(s) (external)
Anode(s) (cylinder
head, thermostat cov-
er)
Anodes (exhaust cover,
cooling water passage
cover, Rectifier Regula-
tor cover)
Cooling water leakage
Cowling lock lever
Engine starting condi-
tion/noise
Engine idle
speed/noise
Engine oil
Engine oil filter (built
into oil pan)
Fuel filter (disposal
type)
Fuel line
Fuel line
54
Actions
Inspection or replace-
ment as necessary
Inspection or replace-
ment as necessary
Replacement
Inspection or replace-
ment as necessary
Inspection
Inspection
Inspection
Replacement
Inspection, cleaning or
replacement as neces-
sary
Replacement
Inspection
Inspection or replace-
ment as necessary
Initial
20 hours
100 hours
(3 months)
(1 year)
Every
300 hours
500 hours
(3 years)
(5 years)