2001 Mercury Mariner 50-60HP Factory Service Manual, Page 127Get this manual

TIMING, SYNCHRONIZING,ADJUSTING
5Digital Diagnostic Tester 91-823686A2

6DDT Cartridge 91-822608-5 and DDT Reference Manual 90-859769
91-822608-5 90-859769 7DDT Cable 10' (3.05m) Extension 84-825003A1

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