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I was out riding one day cruising up river about 55-60mph and less than that at times when playing around. I rode for bout an hour or 2 then started heading back down river and I have had no problems at all, no bogs or anything. I was running 55mph and all of a sudden it bogs down til the engine quits and I come to a stop. It started back up and I rode a lil bit and it kept bogging down and stalling. I could ride it between 15-20mph and nothing would happen but I could hear popping in the exhaust. I finally made it back to the boat ramp and pulled it out of the water. I pulled the spark plugs out to check for any water in the cylinders. Plugs were dry, but looked like could be replaced. I fired up the engine and revved it up to drain the water out of the cooling system. I installed new spark plugs and it wouldn't even fire. I checked for spark and I am getting spark. But I'm not getting fuel in the cylinders. I left all plugs out and turned the engine over and there's no gas coming in at all. I checked the flow of gas through filter and it's fine. Gas is getting to carb as well, but after that I don't know. I also noticed a small puddle of oil in hull. I pulled exhaust off and #3 oil line came off. I did compression check on all cylinders. 115 on #1, 115 on #2, and 35 on #3. I pulled the head off and the pistons look great and cylinders as well on all 3 cylinders. #3 cylinder was dry so I put some oil in it to lubricate it. The cylinder heads looked good too. I reinstalled the head and checked compression on #3 again and it is now 65psi. Any suggestions on what my problems may be? I pulled carbs off and checked the screens inside for clogging, they are clean but the diaphragms have some white residue on them. Any and All advice will be greatly appreciated