Re: 1988 Johnson 8hp bogging at full throttle Home › Forum › Ask A Member › 1988 Johnson 8hp bogging at full throttle › Re: 1988 Johnson 8hp bogging at full throttle fleetwinUS Member - 2 YearsReplies: 4737Topics: 46 May 20, 2018 at 12:48 am #76353 Please don’t misunderstand, I love the engines also…Even with their less than desirable engineering features… This engine won’t run right with the 1985 air box though, it needs the correct one…