Hey all, I had my OMC 2.5l 400 O/D on the lake today and noticed everytime I put it in forward gear (not reverse) and idle forward, it would feel like it slipped once or twice, then ran fine. Upper rpms were fine, only after starting the engine after getting someone back in the boat from tubing. Almost felt like a light rub of the skeg on the ground. Prop spins fine out of the water. Ideas? Thanks.-Jeff