As soon as it stops raining here I’ll go out and give that a try and let you know what I find. I also ordered a new set of Champion J6C plugs which should be here sometime next week. That would be really great if it turns out all it needs is a new set of plugs! In the meantime can anyone tell me exactly where I should set the little set screw that goes on the small rod that goes from the throttle arm to the carburetor? I’m sure there must be an illustration of it somewhere in the manual but I haven’t been able to find it yet. I have attached a photo of it to give a better idea of what I’m talking about. The pink pencil is pointing to the little set screw I’m talking about. Thanks!!!

I put the boat back in the water last week and while it is running a lot better and did get up on plane it maxed out at 20 mph. I’m thinking that it should do closer to 30 mph so I’m planning to replace coils, points, condensers and plug wires to eliminate the possibility that the spark plugs were the only ignition problem. Any suggestions on the best place to find the correct replacement parts for this motor? I see several options online but none correspond to the exact same part numbers listed in the parts catalogue for this motor.

Thanks Bob! Another question: Will I need to get an OMC flywheel puller or will a standard universal auto parts puller work?