Yamaha F4A - Maintenance Interval Chart

MAINTENANCE INTERVAL CHART
3-1
INSP
ADJ
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MAINTENANCE INTERVAL CHART
The following chart should be considered strictly as a guide to general maintenance intervals.
Depending on operating conditions, the intervals of maintenance should be changed.
Item Remarks
Initial Every
10 hours
(Break-in)
50 hours
(3 months)
100 hours
(6 months)
200 hours
(1 year)
Refer
page
FUEL SYSTEM:
Fuel tank and fuel line
Fuel filter
Fuel cock
Carburetor
CONTROL SYSTEM:
Throttle cable
Idling speed
Start-in-gear projection
POWER UNIT:
Engine oil
Valve clearance
Spark timing
T.C.I air gap
Thermostat
Water leakage
Motor exterior
Exhaust leakage
Cooling water passage
LOWER UNIT:
Gear oil
Impeller
Lower unit leakage
Propeller
GENERAL:
Anode
Spark plug
Bolts and nuts
Grease points
Inspection
Inspection/Replacement
Inspection/Replacement
Inspection/Replacement
Inspection/Adjustment
Inspection/Adjustment
Inspection/Adjustment
Inspection/Change
Inspection/Adjustment
Inspection
Inspection/Adjustment
Inspection/Replacement
Inspection
Inspection
Inspection
Inspection/Cleaning
Change
Inspection
Inspection
Inspection
Inspection/Replacement
Cleaning/Adjustment/
Replacement
Retightening
Greasing
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
3-2
4-5
4-3
4-12
3-3
3-3
3-5
3-5
3-7
3-8
3-9
5-23
—
—
—
—
3-10
6-6
3-10
—
3-11
3-11
—
—
3-14