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    1970s 4hp fuel pump compatibility

    Hey everyone, I have four 1970s 4hp johnson/evinrude motors (70, 71, 76, and 78) I was wondering if the fuel pumps are compatible. The only difference is that on the 78 it uses the top and bottom bolts on the pump to attach it to the engine. On the other three motors the fuel pump mounts to...
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    4hp impeller housing bolts stuck

    Hey guys, I picked up a seized 70 johnson 4hp to use for parts for my three other 70's johnyrude outboards. I completely stripped it last night including removing the powerhead so it's all in parts (it was a great learning experience; factory service manual helped a lot) Anyways, the only...
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    1971 Johnson 4 hp lower unit seal

    Can anyone please direct me to the part number I need: Model # 4W71D Gear oil leaking from the prop seal I believe. Anything tricky with this repair?
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    1978 Evinrude 4hp fuel question

    I will give you guys the whole story so you can best help me diagnose the problem. I run rafts from Moab, Utah through cataract canyon and out of Lake Powell. A distance of over 100 miles. I just got back from a trip and brought two motors that I got working (thank you for all the replies to...
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    1978 Evinrude 4hp oil/gas mix

    Hi everyone, I just finished fixing up a 1971 Johnson (thanks to some good advice from this forum) Now I came across a 1978 Evinrude 4hp and got her going too! My question: Many folks suggested 24:1 in the 1971 Johnson, is that also true with this 1978 Evinrude? (They are nearly identical...
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    Oil/Gas Mix for 71 johnson 4hp

    Hey guys, I got a quick question. The factory service manual for my 71 Johnson 4 hp says 50:1. On a recent thread 24:1 was recommended to me because this motor is not fully "jeweled". Please advise. What would you run is this engine?
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    1971 Johnson 4 hp question

    Hello everyone, this is my first post here. I just got a 1971 4 hp Johnson. Model #4w71d. (got it for only $50, old guy said he hadn't run it in 20 years, looks new under the cowling) Runs strong but only on full choke. I already ordered the factory service manual on ebay. I would like to...
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