help needed seadoo speedster 240 HP mercury efi

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jimburton

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Hi I'm new to the world of jet boats any help would be amazing
I have a 2001 seadoo speedster 240 HP efi jet boat I naught with a blown engine and was going to replace the cylinder block and 2 pistons as I found plastic pump ring failed in UK I'm rely struggling for used parts so I have a couple of questions

1 can I fit a mercury mercruiser outboard in the engine bay as I've been told the 150, 175 and the 200 2 stroke units are identical once you remove the outboard gearbox etc
2 would 150 HP have enough power

Thanks in advance

Jim
 
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