MAINTENANCE
SERVICE MANUAL NUMBER 23
Page 1B-4
90-861326--1 MARCH 1999
Scheduled Maintenance That Should Be Done by Dealer
NON-HORIZON MODELS
NOTE: Only perform maintenance which applies to your particular power package.
Task
Interval
Seawater Pickup Pump - Disassemble
And Inspect
Whenever Insufficient Seawater Flow Is
Suspected. (If Operating Temperature
Exceeds Normal Range.)
Crankcase Oil and Filter - Change
Ignition System - Clean And Inspect
Condition
Flame Arrestor and Crankcase Ventilation
Hose - Clean and Inspect.
Positive Crankcase Ventilation (PCV)
Valve (If Equipped) - Change
Sterndrive Unit Oil - Change
Gimbal Ring Clamping Screws-
Retorque to 50-55 lb-ft (67-74 Nm).
Rear Engine Mounts - Check Torque To
38 lb-ft (52 Nm).
Gimbal Bearing - Lubricate
Cooling System - Clean And Inspect
Engine Alignment - Check
Engine Coupling Universal Joint Shaft
Splines - Lubricate
End Of First Boating Season and
Steering System - Lubricate And Inspect
For Loose, Damage Or Missing Parts
End Of First Boating Season and
Thereafter, Every 100 Hours Of Operation
Or Once Yearly, Whichever Occurs First
Electrical System - Check For Loose Or
Damaged Wiring
Cooling System Hoses And Clamps -
Inspect For Damage And Deterioration.
Check Clamps For Tightness
Closed Cooling System Pressure Cap -
Clean, Inspect And Test
Continuity Circuit - Check Components
For Loose Connections, Broken Or
Frayed Wires
Shift Cable, Throttle Cable And Linkage -
Lubricate And Inspect For Loose,
Damaged Or Missing Parts
Engine Exhaust System - Inspect
Externally For Damage, Deterioration And
Restrictions. Check For Tightness
Ignition System - Check Timing And
Adjust As Needed
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