Maintenance
57
EMU34431
Maintenance chart 1
Frequency of maintenance operations may be adjusted according to the operating condi-
tions, but the following table gives general guidelines. Refer to the sections in this chapter for
explanations of each owner-specific action.
NOTE:
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
years)
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
Anode(s) (exhaust
cover, cover joint)
Replacement
Battery
Inspection or charging,
replacement as neces-
sary
Cooling water leakage
Inspection or replace-
ment as necessary
Cowling clamp
Inspection
Engine starting condi-
tion/Noise
Inspection
Engine idling speed/
Noise
Inspection
Engine oil
Replacement
Engine Oil filter (car-
tridge)
Replacement
Fuel filter (can be dis-
assembled)
Inspection or replace-
ment as necessary
Fuel pump
Inspection or replace-
ment as necessary
Fuel/oil leakage
Inspection