Yamaha 25BMH, Service Manual

Page: 104 / 446

MAINTENANCE INTERVAL CHART
3-1
E
CHK
ADJ
3
MAINTENANCE INTERVAL CHART
Frequency of maintenance operations may be adjusted according to the operating condi-
tions, but the following table gives general guidelines.
The mark (
@
) indicates the check-ups which maybe carried out by owner.
The mark (
:
) indicates work to be carried out by Yamaha dealer.
NOTE:
Cooling water passages:
When operating in salt water, turbid or muddy water, the engine should be flushed with clean
water after each use.
Item Remarks
Initial Every
Refer
page
10 hours
50 hours
(3 months)
100 hours
(6 months)
200 hours
(1 year)
FUEL SYSTEM
Fuel filter Clean
@ @ @
3-3
Fuel system Check
:
3-2
Fuel tank Clean
@
—
POWER UNIT
Carburetor setting Check
: :
3-16
Adjust
: :
3-16
Cooling water passage Clean
@ @ :
—
Exhaust leakage Check
: : :
—
Water leakage Check
: : :
—
CONTROL SYSTEM
Ignition timing Check
: :
3-4
Adjust
: :
3-4
idle speed Check
:
3-16
Adjust
@
3-16
LOWER UNIT
Gear oil Change
@ @
3-20
Propeller Check
: :
3-23
GENERAL
Spark plug Clean
@ @ @
3-22
Adjust
@ @ @
3-22
Replace
@ @ @
3-22
Wiring and connectors Check
: : :
—
Greasa points Grease
@
3-24
Bolts and nuts Retighten
: :
3-24
Anode Check
: : :
3-22
Motor exterior Check
: :
—