Troubleshooting
110 VPA 7743722 English 10-2004
Engine Won’t Reach
Operating RPM
(Cont.)
(Cont.) - Check:
Carburetor size and type correct for engine.
Fuel pump pressure and vacuum.
Boat overloaded or load improperly placed.
Engine overheating.
Engine timing and ignition system operation.
Remote control cables and linkage for proper attachment and travel.
Defective Engine
Lubricating System
Engine Components - Check:
Clogged or incorrect oil filter.
Worn oil pump gears, cover, or shaft.
Worn or collapsed oil pump relief valve spring or foreign material
caught on valve seat.
Oil pump relief valve plunger loose in cover.
Damaged filter bypass grommet.
Clogged oil pickup screen, broken tube, or housing.
Plugged crankshaft or blocked oil galleys.
Dirty or defective hydraulic lifters or clogged push rod passages.
Poor quality, or incorrect viscosity or quantity of oil.
Incorrect hose routing on remote filter systems.
Water in crankcase oil from condensation, or defective head gasket,
oil cooler, or cracked manifold/block water passages.
Oil Pressure Warning System - Check:
Oil gauge/warning horn operation and wiring.
Engine temperature.
Oil pressure gauge and warning horn sender operation and wiring.
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