Yamaha 25BMH 30HMH Factory Service Manual, Page 134Get this manual

CONTROL SYSTEM
7 Adjusting the engine idle speed: Engine idle speed Adjustment steps (1) Adjust the pilot screwPilot screw turn-out14 34

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives