E

A diagnostic tachometer should be used for this procedure.

1) Start the engine and allow it to warm up fully in Neutral until it is running smoothly. If the outboard is mounted on a boat, be sure the boat is tightly moored.

 

 

 

2) Adjust the throttle stop-screw 1 to

 

 

 

set the idling speed to specification

 

 

 

(see “SPECIFICATIONS” on page 4-1)

 

 

 

by turning the stop-screw clockwise

 

 

 

to increase the idling speed, and turn-

 

 

 

ing it counterclockwise to decrease

q

 

 

the idling speed.

 

 

NOTE:

 

 

 

 

 

 

 

Correct idling-speed adjustment is only

 

 

 

possible if the engine is fully warmed-up.

 

 

 

If not warmed up fully, the speed setting

 

 

 

will tend to be too high. If you have diffi-

 

204063

 

culty obtaining the specified idle, consult

 

 

 

 

 

 

 

 

a Yamaha dealer or other qualified mechanic.

w q

213033

EMU00377

CHECKING WATER IN ENGINE OIL TANK

There is a trap at the bottom of the engine oil tank. If water or foreign matter is visible in this trap, consult a Yamaha dealer.

1Trap

2Engine oil tank

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