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    Carb swap??

    Ok need some help. My original carb was lost in the move of my old repair guy. My engine is a johnson 1974 40 hp. The replacement carb is from a 1967 40 rkl. The carbs look identical and most part numbers are the same. The only part that is a different number is the slow speed needle. So what...
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    1974 johnson 40 hp new coils rand good; now not so much....please help

    Hello, I have a 1974 johnson 40 hp outboard. 2 weeks ago I replaced both coils since they were cracked and old. Motor missed pretty bad before and had nothing at WOT. After I replaced the coils in ran great, 30 mph wot on my local lake. Well that lasted for about 2 weeks and now back with same...
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    1974 Johnson 40 carb problem? Coils? Timing-have a few ?'s

    Hello again, Last summer some great ppl on this forum helped me revive an old motor and make her kick again and I'm hoping they can assist me again. PROBLEM: Motor runs great at idle, under load at WOT it has a bad miss and can never reach top RPM. Last summer she would do upwards of 30, now...
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    1974 Johnson 40 Cooling Problem

    Ok, it's back to the boards with my outboard! The motor is a 1974 johnson 40hp (40rl74) this is just a guess since there are no numbers on the engine (as discussed in my previous post). The impeller i purchased was for this model and it was the replacement, also the diagram seems to match that...
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    1974 Johnny weak pee stream?

    Hello, I have a 1974 Johnson 40hp outboard. With the help of you awesome people I have managed to change the water impeller. All was well for the first month, but now problems. It has an intermittent pee stream and the little water coming from it is very hot for a while. It just recently...
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    Please Help Identify My Impeller!?!?!

    Hello Everyone, I have kind of a problem I'm hoping someone can help with. I have a johnson 40 hp outboard, but I am unsure of the year it was rebuilt and they removed all identifying tags. A local guy told me it was either a 67-69, but all parts match to the diagram of a 1970-1973. My...
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    69 johnson 40HP carb questions

    Hello all, first I would like to thank everyone for all the help I have received from this forum, you guys helped me take a non running motor and turn it into a pretty decent running piece of equipment. My current issue is this, I swapped out my 1969 carb for a 1967 carb. the motor runs great...
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    Help identify my motor please!

    Hello, I know that this is a 60-something Johnson 40 horse, I can't seem to find a model number or ID plate. So I'm posting pictures to see if any of you experienced folks can help me identify it?!
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    Will 1967 carb fit 1969 engine

    I have a 1969 RDS-30 and need a new carb, I found one for a 1967 RKL-29 I am wondering if this will work? From the pics it looks very similar. Thanks for any help guys! -Shawn
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    1969 Johnson 40 HP Carb

    Hello, As a new poster I would like to thank everyone who takes the time to read this and for the advice. Here's my problem, I have a 1969 Johnson 40 HP outboard model # RDS-30. ( The model number is only a guess because all numbers have been removed by previous owner.) I bought this boat...
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