Hear and feel clunking from lower unit

TomCat69

Cadet
Joined
Feb 23, 2012
Messages
13
I have read all similar threads and dull are different from my case. When I put in forward gear all is well. When I start getting on gas, this is when I hear and feel 5 or 6 clunks. If i gas it and come on up on plane, noise goes away and does not return until I stop and/or put in neutral
 

Texasmark

Supreme Mariner
Joined
Dec 20, 2005
Messages
14,806
Pull the drain plug and check the magnet imbedded in it. What's attached to the magnet. What color is the lower unit oil?
 
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