Yamaha 200A Service Manual download pdf (Page 37)

60L3D1X

32

Checking the low-pressure fuel

pump and high-pressure fuel pump

1. Disconnect the starter relay lead (brown

lead)

1

to prevent the engine from start-

ing.

2. Turn the engine start switch to ON.

3. Listen for the operating sound of the

high-pressure fuel pump

2

. Replace if

there is no sound.

NOTE:

• After the engine start switch is turned to

ON, the high-pressure fuel pump will oper-

ate for 5 seconds.

• Check the operation of the low-pressure

fuel pump

3

using the “Stationary test” of

the Yamaha Diagnostic System.

* Change step 3 and the note in the F225

service manual to that mentioned above.

S69J8300

S69J8310J

Fuel control system

1

2

3

4

5

6

7

8

9

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