Ok, I read through a ton of threads similar to mine until my head started spinning. So I decided to start my own...
Here's the deal, I have a 1969 Johnson 85hp, I had it running great for the first few months of summer but the last time I had it out I had an issue getting up to WOT. Initially it started, idled, and got up to speed just fine. I throttled down to idle and putted around the lake slowly a couple times. When I went to get back into the throttle it vibrated horribly, started to sputter and chug, and would not gain power. I brought power back down and it smoothed out and again idled fine. I took it out of gear and started raising power, it revved up fine and sounded normal. So, I tried again in gear, same problem with the no power. It sputtered, made a weird phhst phhst phhst sound while it shot out some smoke, then died. I sat for sec deciding what to do, so I started it and it started and idled fine. I putted back to the launch.
I thought it might be the tranny since it only did this in gear so I took it out of the water, started it on land and put it in gear and revved up...it seemed fine. What's the deal? Why does this only happen in gear in the water? How do I get my baby running smooth again? I have a lot of anxious skiers and fisherman!
Here's the deal, I have a 1969 Johnson 85hp, I had it running great for the first few months of summer but the last time I had it out I had an issue getting up to WOT. Initially it started, idled, and got up to speed just fine. I throttled down to idle and putted around the lake slowly a couple times. When I went to get back into the throttle it vibrated horribly, started to sputter and chug, and would not gain power. I brought power back down and it smoothed out and again idled fine. I took it out of gear and started raising power, it revved up fine and sounded normal. So, I tried again in gear, same problem with the no power. It sputtered, made a weird phhst phhst phhst sound while it shot out some smoke, then died. I sat for sec deciding what to do, so I started it and it started and idled fine. I putted back to the launch.
I thought it might be the tranny since it only did this in gear so I took it out of the water, started it on land and put it in gear and revved up...it seemed fine. What's the deal? Why does this only happen in gear in the water? How do I get my baby running smooth again? I have a lot of anxious skiers and fisherman!