20hp 2013 Long shaft

Joined
Aug 6, 2017
Messages
2
I have this motor on a 14' John boat and when I excel in speed water pours out right below the cowling . It will throw water into the boat . All plastic tubes have been replaced . Any ideas ? Boat mechanic seems to think the motor needs to be raised up on transom . Inside of motor never gets wet .
 

Sea Rider

Supreme Mariner
Joined
Sep 20, 2008
Messages
12,345
Seems that water flow at speed is banging hard against the non edge lower leg portion when should be passing right under upper water deflector plate. Rise OB accordingly till rear water splahs cancells out. OB must be trimmed to vertical 90? position...

Happy Boating
 
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