Yamaha F225A Service Manual page 337

Opening the ISC valve angle:
Set the opening angle of the ISC valve, and adjust the air volume when the engine is idling. The
operating time is 30 minutes.
Before testing warm the engine up.
1. Select the test to be performed, and then click the Select button or press the Enter key on your
keyboard.
2. Click the Execute button or press the Enter key on your keyboard. (Fig. 50)
69J3D11
Yamaha Diagnostic System
Fig. 49
Fig. 50
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