david718
09.05.2021 13:52:51
Re: 40 HP Johnson carb problem
See full version: 40 HP Johnson carb problem
Re: 40 HP Johnson carb problem
The mechanic said he tested it with the bowl off and it seems to work (stop the flow). When he puts the bowl back on is when it doesn't work. I asked if he thought the float was getting hung up in the bowl and he said he thought the same thing but didn't think so when he looks at it. here
I have a 1968 40hp Johnson electromatic that hadn't been run for 3-4 years. I bought a carb rebuild kit and rebuilt the carb. When I put gas through it, it ran out the front of the carb. I took the bowl off and checked to see if the needle was still in the seat and if the float was even with the bottom of the carb housing. Everything looked good. I put it back together and still had the same problem. When I first rebuilt the carb, the existing parts looked real good. The boss gasket looked brand new, packing was in good condition, etc. I took it apart again and put the old needle and float in to see if that made any difference. It didn't. I had to take it to a mechanic because it wasn't turning over (bad soleniod). He is working on the carb too and can't figure it out either. He wants to order a new needle, seat and float. Does anyone have any ideas?
The carb acted the same with the new float as it does with the old float. here
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Float is NOT included. If you need a float the part number is 0396514 - Float and Arm separately
Please check the part numbers for your fitment needs. If you are unsure whether this part fits your model, please contact us with your serial number and we can help determine if it is right for your engine. Thanks for looking. here
This carb rebuild kit is for use on some Evinrude Johnson outboards.
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Rod Bearings [Two Upper and Two Lower] here
This rebuild kit is designed for use with Johnson/Evinrude 18/20/25/28-35 HP 2-Cylinder Powerheads with a 3" Bore Size. The kit includes the following:
Two Pistons [Complete with rings, pins, and clips]
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Four Rod Bolts [links]