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 (7) indicates the check-ups which you may carry out yourself. The mark (2) indicates work to be carried out by your Yamaha dealer.

 

Interval

Initial

Every

Refer

 

 

 

50 hours

100 hours

200 hours

 

 

 

page

Item

 

10 hours (3 months) (6 months)

(1 year)

 

 

Spark plug(s)

Cleaning/Adjustment/

 

4-11

Replacement

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Greasing points

Greasing

 

 

 

4-10

 

 

 

 

 

 

 

Gear oil

Change

 

4-25

 

 

 

 

 

 

 

Fuel system

Inspection

 

 

 

1

4-13

 

 

 

 

 

 

 

Fuel filter

Inspection/Replacement

 

4-14

 

 

 

 

 

 

 

Fuel tank*1

Cleaning

 

 

 

 

 

 

 

 

 

 

Idling speed

Inspection/Adjustment

 

4-16

 

 

 

 

 

 

 

Anode(s)

Inspection/Replacement

 

 

 

1

4-26

 

 

 

 

 

 

 

Outboard motor exterior

Inspection

 

 

 

4-31

 

 

 

 

 

 

 

Cooling water passages*2

Flushing

 

 

 

4-5

 

 

 

 

 

 

 

Propeller

Inspection

 

 

 

4-23

 

 

 

 

 

 

 

Timing belt*3

Inspection/Replacement

 

 

 

1

4-19

 

 

 

 

 

 

 

Battery

Inspection/Charge

 

1

4-27

 

 

 

 

 

 

 

Ignition timing

Inspection

1

 

 

1

 

 

 

 

 

 

 

Bolts/Nuts*4

Retightening

1

 

 

1

4-30

 

 

 

 

 

 

 

Engine oil

Change

 

4-17

 

 

 

 

 

 

 

Oil filter

Change

 

 

 

1

 

 

 

 

 

 

 

Valve clearance*5

Inspection/Adjustment

1: every 400 hours (2 years)

 

 

 

 

 

 

 

Thermostat

Inspection

 

 

 

1

 

 

 

 

 

 

 

*1. If a portable fuel tank is equipped.

*2. The engine should be flushed with fresh water after operaing in salt, turbid or muddy water.

*3. Be sure replace the timing belt after every 1,000 hours or 5 years (whichever comes first) of operation.

*4. Except for the cylinder head bolts and crankcase journal bolts.

*5. 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.

4-9