Maintenance Chart 1 - Yamaha F20G Owner's Manual

EMU46073

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
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
Anode(s) (external)
Anode(s) (internal)
*1
Anode(s) (internal)
*2
Battery (electro-
lyte level, terminal)
Battery (electro-
lyte level, terminal)
Cooling water leak-
age
Cowling lock lever
Engine starting
condition/noise
Engine idle
speed/noise
Engine oil
Engine oil filter
(cartridge)
Actions
Inspection or
replacement as
necessary
Inspection or
replacement as
necessary
Replacement
Inspection
Fill, charging or
replacing as nec-
essary
Inspection or
replacement as
necessary
Inspection
Inspection
Inspection
Replacement
Replacement
Initial
20 hours 100 hours
(3 months) (1 year)
Maintenance
Every
300 hours 500 hours
(3 years) (5 years)
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