Looking to select the proper stainless prop. 3 or 4 blade for my 1980 johnson 150 on the back of a 16.5 ft Larson Spitefire 5000. Basically a banshee Deltacraft XLT Glastron CXX style boat. Running at 2500 feet. Good all round performance is what I am after. It came with a 17 aluminum. Runs...
I do not think there is an adjustment on the carbs themselves but I could be wrong. There is a large spring loaded screw on the linkage side but that looks like it is connected to the timing under the flywheel. I can adjust that a 1/2 turn to 2 turns and it sounds ok. But when I go for a ride...
I have a 1979 55hp new to me this month. Starts cold fine idles fine. Manually moving the carb linkage while in muffs on the trail is very responsive. When I put her in the lake and move it into gear it sputters, farts and dies. IF I feather the throttle just right, get the revs up in neutral...