E

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

Item

 

10 hours

Page

 

(3 months)

(6 months)

(1 year)

 

 

 

 

Carburetor

Cleaning

1

 

1

1

—

—

Cooling water passages

Cleaning

 

 

●

●

 

4-5

Fuel filter

Cleaning

●

 

●

●

 

4-13

Fuel system

Inspection

●

 

 

●

1

4-12

Throttle link

Inspection/Adjustment

 

 

 

 

1

—

Idling speed

Inspection/Adjustment

●

 

 

●

 

4-14

Spark plug

Cleaning/Adjustment/Replacement

●

 

●

●

 

4-10

Oil tank water drain

Cleaning

●

 

●

●

 

4-15

Oil pump

Inspection/Adjustment

1

 

 

 

 

—

Power trim and tilt system

Inspection

●

 

●

●

●

4-18

Wiring & Connectors

Inspection/Reconnect

●

 

●

●

 

4-16

Exhaust leakage

Inspection

●

 

●

●

 

4-16

Water leakage

Inspection

●

 

●

●

 

4-16

Grease points

Greasing

 

 

 

●

 

4-17

Gear oil

Change

●

 

 

●

 

4-21

Bolts & Nuts

Retightening

●

 

●

●

 

4-26

Cowling clamp

Inspection

 

 

 

 

●

—

Anode

Inspection

 

 

●

●

 

4-22

Propeller

Inspection

●

 

●

●

 

4-19

Motor exterior

Inspection

●

 

●

●

 

4-26

Battery

Inspection

●

 

(every month)

 

 

4-23

NOTE:

Cooling water passages;

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

4-9