I was given a Cape Horn with a Johnson 115 that has been sitting for years. From the start I planned on replacing it with a Yamaha 150, but figured I’d try to get this one going to sell. The gas tank fuel is all yellow so I hooked up an external tank at the engine. I sprayed seafoam creeper in the spark plug holes just to make sure the cylinders didn’t freeze. Prop spun like butter in gear.
When I try to crank it with 50:1 sprayed in the carb hole, it fires right up goes for 3 sec and then stop. Water pump actually worked. After a few tries I opened the screw under each carb hole and at first I thought it was pure 2 cycle oil vs a fuel bowl. But I think I was just a heavy mix. Hind sight I should have drained the bowls and ensured new fuel was being used, but I do wonder if it’s the auto oil supply that’s over mixing. I have no experience with auto oil supply 2 cycles.
When I pump the external tank prime ball to firm and give it one more pump, I do see some fuel seep from what I think is the auto prime/siphon , it’s a little box just to the left of the little red lever you can turn up and down.
Not sure what to do/try next, thought about opening the bowl screws and pump fuel to see if it stays dark oil color like the oil mix is being added to rich. I did spray the carbs good with carb cleaner, but doubt that’s going to help. Any thoughts on what to try next ?
Also what’s the best/sagest way to clean the fuel/oil that comes out of the bowls and pools under the motor. figured I’d plug up the carb holes and spray gunk and lightly spray.
Thanks
When I try to crank it with 50:1 sprayed in the carb hole, it fires right up goes for 3 sec and then stop. Water pump actually worked. After a few tries I opened the screw under each carb hole and at first I thought it was pure 2 cycle oil vs a fuel bowl. But I think I was just a heavy mix. Hind sight I should have drained the bowls and ensured new fuel was being used, but I do wonder if it’s the auto oil supply that’s over mixing. I have no experience with auto oil supply 2 cycles.
When I pump the external tank prime ball to firm and give it one more pump, I do see some fuel seep from what I think is the auto prime/siphon , it’s a little box just to the left of the little red lever you can turn up and down.
Not sure what to do/try next, thought about opening the bowl screws and pump fuel to see if it stays dark oil color like the oil mix is being added to rich. I did spray the carbs good with carb cleaner, but doubt that’s going to help. Any thoughts on what to try next ?
Also what’s the best/sagest way to clean the fuel/oil that comes out of the bowls and pools under the motor. figured I’d plug up the carb holes and spray gunk and lightly spray.
Thanks

