AlphaOne - Uneven Exhaust Flow

Racer57

Seaman Apprentice
Joined
Jul 22, 2006
Messages
33
I have a 2007 3.0L Alpha One. I just recently had the exhaust manifolds a riser replaced.
2nd day out on the water the exhaust bellows came off at the stern drive. Transom side OK. I put the bellows back on and hooked it up to a hose and started the engine. Everything ran fine but I noticed that the only exhaust water was coming out the transom port on the starboard side. Only a little water and exhaust coming out the port side.
Additionally there was a spittle of water coming out the center of the stern drive, under the bellows. (See video). Last point - only a small amount of water spraying out the prop
  1. Running the engine for about 10 minutes after the bellows came loose. Potential for any damage?
  2. Is there a problem if the exhaust water is only coming out the starboard side and not the port side transom exhaust port? Or the low amount of spray out the prop?
  3. When the exhaust manifolds were replaced, could the mechanic have done something wrong to cause the uneven flow?
 

MikDee

Banned
Joined
Jun 6, 2007
Messages
4,745
Is it possible your flappers broke free, and caused all this?
 

Howard Sterndrive

Rear Admiral
Joined
Nov 5, 2008
Messages
4,603
jack up the side of your trailer the water is currently exiting, and voila- it will flow out the other side. Your boat just isn't perfectly level.
 
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