Yamaha Marine Outboards Factory Service / Repair/ Workshop Manual 225G 250B L250B, Page 126Get this manual

CYLINDER HEADS
1Inspect: Combustion chamber Carbon deposits Clean Water jacket Mineral depositsrust Clean
INSPECTING THE CYLINDER HEADS 5

CAUTION:

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