Yamaha F225A Service Manual page 336

TRBL
SHTG
3. The ISC valve is fully open. Check that the engine speed revs up.
4. To test again, click the Execute button or press the Enter key on your keyboard. To perform a
different test, click the Return button to return to the test selection menu or press the ESC key
on your keyboard.
9-37
Troubleshooting
Fig. 47
Fig. 48
69J3D11