Maintenance Chart 1 - Yamaha F4 Owner's Manual

Maintenance
EMU34443

Maintenance chart 1

NOTE:
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) (thermostat
cover)
Cooling water leakage
Cowling clamp
Engine starting condi-
tion/Noise
Engine idling speed/
Noise
Engine oil
Fuel filter (inside built-
in fuel tank)
Fuel filter (disposal
type)
Fuel pump
Fuel/oil leakage
Fuel pipe
Fuel pipe
47
Actions
Inspection or replace-
ment as necessary
Inspection or replace-
ment as necessary
Inspection or replace-
ment as necessary
Inspection
Inspection
Inspection
Replacement
Inspection and clean-
ing as necessary
Replacement
Inspection or replace-
ment as necessary
Inspection
Inspection or replace-
ment as necessary
Replacement
Initial
20 hours 100
(3 hours (1
months) year)
Every
300 500
hours (3 hours (5
years) years)