SELVA MARINE Oyster 5 Owner's Manual page 27

A B C D E F G H I Possible cause
Electric circuit is defective
Ignition-coil is defective
Clogged water passages
Faulty water-pump
Thermostat faulty
Cavitation is occurring
Propeller is damaged
Propeller has not the proper
dimensions
Incorrect trim-angle
Load on boat is improperly
distributed
Transom is too high
Transom is too low
25