1999 "EE" 90, 115 FFI, 150, 175 V4, V6 FFI Outboards Service Manual, P/N 787024, Page 42Get this manual

1999 "EE" 90, 115 FFI, 150, 175 V4, V6 FFI Outboards Service Manual, P/N 787024, Page 42

Synchronization and Linkage Adjustments
INote 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 range
INote Remove

the throttle cable from the throttle control arm and the cable trunnion pocket before beginning this procedure
Throttle Plate Synchronization
1To prevent accidental starting of engine, disconnect the spark plug leads and remove the spark plugs2Remove the air silencer assembly
3Verify that the throttle cam and cam follower are not touching4Loosen the throttle plate link adjusting screw

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