ENGINE OPERATIONJH Series Operation Manual 5512/053. Before returning to normal operation,be sure to put the trolling handle inhigh-speed (H) position.4. Increase engine speed and continuenormal operation.CAUTIONS DURINGOPERATIONNOTICEEngine trouble can arise if the engine isoperated for a long time under overloadedconditions with the control handle in the fullthrottle position (maximum engine speedposition), exceeding the continuous ratedoutput engine speed. Operate the engineat about 100 min -1 lower than the fullthrottle engine speed.Note: If the engine is in the first 50hours of operation, see NewEngine Break-In on page 12 .Always be on the lookout for problemsduring engine operation.Pay particular attention to the following:• Is sufficient seawater being dischargedfrom the exhaust and seawater outletpipe?If the discharge is small, stop the engineimmediately; identify the cause andrepair.• Is the smoke color normal?The continuous emission of blackexhaust smoke indicates engineoverloading. This shortens the engineslife and should be avoided.
