2008 Yamaha WaveRunner FX SHO / FX Cruiser SHO Service Manual, Page 181Get this manual
Camshaft
Camshaft removal
1Remove: Camshafts Removal steps: 1Install the special service tools and into spark plug hole #1Gauge stand 1: 90890-06725 Dial gauge stand set: YB-06585 Dial gauge 2: YU-0309790890-01252 Dial gauge needle: 90890-06584 2Position piston #1 at TDC by turning the drive coupling counterclockwise with the special service tool 4, using the dial gauge to ensure that the piston has reached TDCCoupler wrench 4: 90890-06729 3Check that the punch marks on the camshafts are aligned with the marks on the camshaft caps