2001 Mercury Mariner 50-60HP Factory Service Manual, Page 389Get this manual

MANUAL TILT ASSIST
Valve Block Disassembly
1Remove check retainer plug and components2Remove hydraulic oil transfer valve plugs and components3Remove surge valve assembly

- Transfer Valve Plug Assembly (2)Check Retainer Plug or Screw AssemblySpoolSpringO-ringVelocity Valve

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