Yamaha 115D Owner's Manual download pdf (Page 56)

Maintenance

51

cup. Firmly screw the cup onto the filter

housing.

5. Attach the filter assembly to the bracket

so that the fuel hoses are attached to the

filter assembly.

6. Run the engine and check the filter and

lines for leaks.

EMU29040

Inspecting idling speed

WARNING

EWM00450

●

Do not touch or remove electrical parts

when starting or during operation.

●

Keep hands, hair, and clothes away

from the flywheel and other rotating

parts while the engine is running.

●

2-hp models

: The propeller rotates

whenever the engine is running. Do not

move the throttle control lever from the

start position during warm-up. The boat

could unexpectedly start to move,

which could result in an accident.

CAUTION:

ECM00490

This procedure must be performed while

the outboard motor is in the water. A

flushing attachment or test tank can be

used.

A diagnostic tachometer should be used for

this procedure. Results may vary depending

on whether testing is conducted with the

flushing attachment, in a test tank, or with the

outboard motor in the water.

1. Start the engine and allow it to warm up

fully in neutral until it is running smooth-

ly.

2-hp model: Warm the engine with the

throttle in the start position or less. If the

outboard is mounted on a boat, be sure

the boat is tightly moored.

NOTE:

Correct idling speed inspection is only possi-

ble if the engine is fully warmed up. If not

warmed up fully, the idle speed will measure

higher than normal. If you have difficulty ver-

ifying the idle speed, or the idle speed re-

quires adjustment, consult a Yamaha dealer

or other qualified mechanic.

2. Verify whether the idle speed is set to

specification. For idle speed specifica-

tions, see page 40.

EMU29050

Checking water in engine oil tank

Oil injection models

There is a water trap at the bottom of the en-

gine oil tank. If water or foreign matter is vis-

ible in this trap, consult your Yamaha dealer.

EMU29111

Checking wiring and connectors

●

Check that each grounding wire is properly

secured.

●

Check that each connector is engaged se-

curely.

1. Water trap

2. Engine oil tank

2

1

ZMU01895

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