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    No Fuel in 3rd Cylinder

    I need your help again. My trustie lil 50 HP 1989 Yamaha has give me troubles again. I took it to the shop to do the sync and link. The mechanic called me and said the bottom cylinder was not receiving and burning fuel. Got 125 psi in all cylinders, good spark, clean carbs, and the reeds were...
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    1974 Envinrude water pump

    Hello People, Got a question for you. I got an old 50 HP Evinrude Outboard, 1974 Model #50473M. I look in the seloc manual on how to change the water pump... The manual is so general I can not specify which model I have. How do you get the foot off to change the water pump. From what it looks...
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    1974 50 HP Evinrude Water Pump

    I have rcently purchased a pontoon boat that has a 1974 50 HP Evinrude Outboard. Model #50473M. The guy I bought it from said he has not changed the water pump since he has had it. approx 6 years. I figured it is problably time. He started it up for me on the hose and she started right up, and...
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    Noise and vibration @ low RPM's

    Since the rebuild, the boat has been running pretty good...except I have noticed that at low RPM's the motor will vibrate and will be somewhat noisy. Once I get past 3000-3500 RPM's it clears up and runs great. Anyone have any idea? It runs good, just sounds unhealthy. Any sugestions are...
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    50 hp yamaha water pump

    Hello fellers I back with a water pump question. I rebuilt the water pump (gaskets, seals, housing, impeller etc), when I run the motor on the hose I have noticed water coming from the 3 little holes on the rear of the lower unit. The rebuild went smooth and everything went back together...
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    Compression and scared cylinders

    The repair shop called and told me they have removed the head and found that 2 of the 3 cylinders are scared up. They are saying I must get the head bored and the rings replaced. Does this sound right. Is that the process when the cylinder is scared? When I ran the boat last I was good for...
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    Yamaha Oil blending Unit, Any Ideas

    Good Day everyone, I have been battling problems with my poor little boat. 1989 Yamaha 50 ELF. What would happen if the oil blend unit was not working properly? I would run the boat, cold she start, run, and fly. After about 4 min full thottle, she will cut off, usually followed by the buzzer...
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    1989 Yamaha 50ELF HELP!!!!

    The motor will start while holding the choke button, or using the warm up switch on or about the half position. When you let off the warm up switch, the motor bogs down, and will die out. If you catch it before it dies, and apply the choke button, it will run fine. For some reason it will not...
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