can anybody tell me if a 9.9 hp force head will swap with 4 hp ?
B BigDaddy9 Cadet Joined May 10, 2009 Messages 10 Sep 14, 2009 #1 can anybody tell me if a 9.9 hp force head will swap with 4 hp ?
P pnwboat Rear Admiral Joined Oct 8, 2007 Messages 4,251 Sep 14, 2009 #2 Re: head swap I may be mistaken, but I believe that the 9.9 HP are 2 cylinders. The 4 hp is a single cylinder. If this is the case, the heads are not interchangeable.
Re: head swap I may be mistaken, but I believe that the 9.9 HP are 2 cylinders. The 4 hp is a single cylinder. If this is the case, the heads are not interchangeable.
