1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, P/N 507875, Page 53Get this manual
Synchronization and Linkage Adjustments va Models It is important that this step-by-step procedure be followed in sequence and be performed exactly as written to ensure consistent engine idling and smooth operation throughout the RPM rangeRemove the throttle cable from the throttle control arm and the cable trunnion pocket before beginning this procedureTiming Pointer '" 1To prevent accidental starting of the engine, disconnect the spark plug leads and remove the spark plugs
Il 2Center the timing pointer Rotate the flywheel in clockwise direction until the cast-in TOC mark is approximately 1112 in(4 cm) past the timing pointer
r:;l 3Install OMC Piston Stop PIN 384887 in No1 spark plug hole and turn in center portion until it contacts the No.1 pistonLock the tool in place with ring
L!J flywheel directly across from the pointerConsider this mark