1996 Johnson Evinrude "ED" 40 thru 55 2-Cylinder Service Manual, P/N 507124, Page 49Get this manual

1996 Johnson Evinrude "ED" 40 thru 55 2-Cylinder Service Manual, P/N 507124, Page 49

Throttle Plate Synchronization 1Loosen cam follower adjustment screw and move cam follower away from throttle cam2Loosen
not be tied to dock or trailer2Start the engine and allow it to reach normal operating temperature3Check idle RPM in FORWARD
gear with an accurate tachometer 4Stop the engine to prevent contact with rotating partsLoosen locknut and adjust the idle
speed screw to achieve 800 25 RPM when idle speed screw is against its stopTighten locknut5Start engine and verify idle speed
in FORWARD gearVerify hat the idle timing is ATDC 1If idle timing is not within range, optimize the carburetor idle mixture
screwsRefer to Carburetor Mixture Adjustment, Section 2Then repeat Step 4If the engine does not respond properly to this
adjustment or if you cannot verify an idle timing of ATDC when engine is idling in FORWARD gear at 800 25 RPM, check the
following: Engine temperature Powerhead condition Sufficient exhaust back pressure Vacuum balance hose (if equipped) Important