Maintenance Chart 1 - Yamaha F250B Owner's Manual

Maintenance
EMU34445

Maintenance chart 1

TIP:
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 op-
erating 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) (cylinder
head, thermostat cov-
er)
Anodes (exhaust cover,
cooling water passage
cover, Rectifier Regula-
tor cover)
Battery (electrolyte lev-
el, terminal)
Battery (electrolyte lev-
el, terminal)
Cooling water leakage
Cowling lock lever
Engine starting condi-
tion/noise
Engine idling
speed/noise
Engine oil
Engine oil filter (car-
tridge)
Fuel filter (can be dis-
assembled)
82
Actions
Inspection or replace-
ment as necessary
Inspection or replace-
ment as necessary
Replacement
Inspection
Fill, charging or replac-
ing as necessary
Inspection or replace-
ment as necessary
Inspection
Inspection
Inspection
Replacement
Replacement
Inspection or replace-
ment as necessary
Initial
20 hours 100 hours
(3 months) (1 year)
Every
300 hours 500 hours
(3 years) (5 years)