Maintenance Chart 1 - Yamaha LF250 Owner's Manual

up and cool-down, a medium to light load,
and an average cruising speed near the 3000
to 4000 rpm range. As with any engine, how-
ever, if your normal operating conditions are
different, you should consider service more
often than shown, especially how often you
change your engine oil and gear oil. Exam-
ples might include extended wide-open-
EMU46071

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
leakage
Cowling lock lever
Actions
Inspection or re-
placement as nec-
essary
Inspection or re-
placement as nec-
essary
Replacement
Inspection
Fill, charging or re-
placing as neces-
sary
Inspection or re-
placement as nec-
essary
Inspection
throttle use or long periods of trolling or
idling, carrying heavy loads, or frequent start-
ing and stopping or shifting. More frequent
maintenance will often pay off many times
over in increased engine life and greater own-
er satisfaction. Consult your Yamaha dealer
for additional maintenance recommenda-
tions.
Initial
20 hours
100 hours
(3
(1 year)
months)
Maintenance
Every
300 hours 500 hours
(3 years) (5 years)
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