2006 Johnson SD 30 HP 4 Stroke Outboards Service Manual, PN 5006592, Page 132Get this manual
POWERHEAD TIMING CHAIN AND TENSIONER Install the throttle cables to the throttle drumRefer to the FUEL SYSTEM section
TIMING CHAIN AND TENSIONER
Removal
Remove the powerhead Remove two (2) bolts, the dowels, and the upper oil seal housing1Throttle 2Throttle 3Bolt 4Throttle 5Throttle cables drum lever rod limiter rod
Install the flywheel cover and three (3) bolts