2003-2005 Kawasaki JetSki Ultra-150 Factory Service Manual, Page 17Get this manual

1-12 GENERAL INFORMATION Technical Information-Engine 1Cylinder
This large-displacement engine features independent, Nikasil plated aluminium cylinders for light weight, long wear and superb heat dispersion characteristics
Comparison of Cylinders

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