E

EMU00361*

MAINTENANCE CHART

Frequency of maintenance operations may be adjusted according to the operating con- ditions, but the following table gives general guidelines.

The mark (●) indicates the check-ups which you may carry out yourself. The mark (1) indicates work to be carried out by your Yamaha dealer.

 

Interval

Initial

Every

Refer

 

 

10 hours

50 hours

100 hours

200 hours

Item

 

page

 

(1 month)

(3 months)

(6 months)

(1 year)

 

 

 

 

 

 

 

 

 

Spark plug

Cleaning/Adjustment/

●

●

●

 

4-12

Replacement

 

 

 

 

 

 

 

Greasing points

Greasing

 

 

●

 

4-11

Gear oil

Change

●

 

●

 

4-24

Fuel system

Inspection

 

 

●

 

4-14

Fuel filter

Inspection/Replacement

●

●

●

 

4-15

Fuel tank *1

Cleaning

 

 

 

●

—

Idling speed

Adjustment

●

 

●

 

4-16

Anode

Inspection/Replacement

 

1

1

 

4-25

Outboard motor exterior

Inspection

 

●

●

 

4-30

Cooling water passages *2

Cleaning

 

●

●

 

4-5, 4-29

Propeller

Inspection

 

●

●

 

4-22

Timing belt

Inspection/Replacement

 

 

1

 

4-19

Battery

Inspection

● (every

 

 

 

4-26

month)

 

 

 

 

 

 

 

 

 

Power trim/tilt

Inspection

●

●

●

 

4-21

Ignition timing

Inspection/Adjustment

1

 

 

1

—

Bolts/Nuts

Retightening

1

 

1

 

4-29

Engine oil

Change

●

 

●

 

4-17

Oil filter

Change

 

 

 

1

—

Valve clearance

Inspection/Adjustment

1

 

1

 

—

Thermostat

Inspection

 

 

 

1

—

*1. If a portable fuel tank is included with the engine.

*2. When operating in salt water, turbid or muddy water, the engine should be flushed with clean water after each use.

NOTE:

If leaded gasoline is usually used, engine valves and related parts should be inspected after every 300 hours of operation in addition to the items on the maintenance chart above.

4-10