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Old 22-07-2022, 10:01 PM   #1
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Campion 165(seb)'s Avatar
 
Country: Denmark
Location: The Island Fyn
Occupation: Worker
Interests: Going fast, and drinking GT's😃
Boat make: Campion 565
Engines: 300 Promax
Cruising area: Mostly around water...

Join Date: Mar 2009
Location: The Island Fyn
Posts: 369
Blown powerhead

Hello Boatmad - Advice is needed

My Mercury Promax has blown the powerhead.
I have pulled the cylinder heads off and cylinder 4 is gone, and the cylinder-rod (?) has made two very nice holes in the side of the engine block.
What could I expect to get from the engine in parts?
- I am not going to do a rebuild, but perhaps somebody is up to the task.

If anyone is interested here are some specs:
Engine is located in Denmark, hours aprox 250/h, standard midsection with exhaust, newer Torque Master Standard Rotation with torque tab, Alien cover etc.

(I can't seem to upload pictures, so send me your email for further pics)

Best wishes to all.
Sebastian
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Old 01-08-2022, 09:46 AM   #2
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Boat make: Phantom 23

Join Date: Mar 2006
Posts: 1,693
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I've got a lovely drop on 300 promax powerhead, 0 hours since rebuild, Light flywheel, CCM Reeds, 57cc Heads, Ported exhaust and behind the liners.
Message if your interested
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