2002 mercury 4 stroke EFI powerhead 40hp

Duckhunter71

Cadet
Joined
Jul 31, 2008
Messages
17
Stupid question of the day,
Can I remove the the 40hp(4s EFI) power head and put a 50hp(4s efi)on it? The cowls would be different, other than that will the exhaust adapter plate and drive shaft mate up? Will a 60 (4s EFI)?

Just wondering? Rather do this than buy a new motor
 
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