2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 332Get this manual
TRBL SHTG
Troubleshooting
3Check the opening angle of the ISC valve is setRefer to the service manual for adjusting proceduresAfter 30 minutes have passed, the test will end automatically
Fig51 4To test again, click the Execute button or press the Enter key on your keyboardTo perform different test, click the Return button to return to the test selection menu or press the ESC key on your keyboard