Yamaha 40V Manuel de service télécharger pdf (Page 47)

3-6

INSP

ADJ

CONTROL SYSTEM/OIL INJECTION SYSTEM

● Turn in the pilot screw until it is lightly

seated.

● Turn out the pilot screw to specification.

Pilot screw (turns out):

40 hp: 1-1/2 ± 1/4

50 hp (M model): 1-5/8 ± 1/4

50 hp (EM, E model): 1-3/8 ± 1/4

● Start the engine and allow it to warm

up for a few minutes.

● Attach the tachometer to high tension

lead of the cylinder #1.

Tachometer:

YU-08036-A/90890-06760

● Adjust the throttle stop screw in or out

until specified idle speed is obtained.

Turning in → Idle speed becomes higher.

Turning out → Idle speed becomes lower.

● While lightly pushing the throttle lever

of the lower carburetor in the direction

of the arrow (full-closed), tighten the

throttle lever securing screw of the

upper and middle carburetors by turn-

ing the screws counterclockwise.

OIL INJECTION SYSTEM

Oil tank water drain

1. Check:

● Drain hose 1

Contamination → Drain.

NOTE:

Remove the drain hose at the upper side

and drain the contaminates.

Oil pump link adjustment

1. Check:

● Clearance a

Out of specification → Adjust.

Clearance a:

1.0 mm (0.04 in)

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Yamaha 40V Manuel de service Page 47