Can I swap a 1974 merc 500 4cyl powerhead with a 1971 650? Just asking.
D delta07d Seaman Apprentice Joined Mar 28, 2012 Messages 32 Sep 1, 2012 #1 Can I swap a 1974 merc 500 4cyl powerhead with a 1971 650? Just asking.
E emckelvy Commander Joined Jan 16, 2004 Messages 2,506 Sep 1, 2012 #2 Re: 1971 650 4 cyl powerhead swap with a 500 Nope. Powerhead base patterns are completely different from each other, the driveshafts are different diameters, many other differences. HTH...........ed
Re: 1971 650 4 cyl powerhead swap with a 500 Nope. Powerhead base patterns are completely different from each other, the driveshafts are different diameters, many other differences. HTH...........ed