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    Converting from a 1958 18 hp to a 1956 30hp Johnson

    I'm ready to mount and connect the '56 to my 1954 Feathercraft. With the 1958 18 hp, I had it wired to the switch as per the original spec. I see the 1956 just has a choke and start button configuration with only a wire going to the starter solenoid and the mercury safety switch. For the choke...
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    Stripped head on Pivot Pin

    I just pick up a 56 Johnson 30 hp and am resealing the lower unit. The pivot pin head was stripped. Prior owner sealed around it with some type of calk, but looks like he was not able to remove and damaged it. I sprayed it with pBlaster let is soak and put some heat to it. I tried to use a...
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    1956 Johnson 30 hp RDE-18 12 volt conversion

    I recently bought the above motor and want to run it on a 12 volt system. As I have learned from prior posts, I know I need to reduce the charge to the Choke Solenoid to avoid frying it. What I'm not sure of is the history of this motor. Prior owner was a collector who had it in his stable but...
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    1954 Johnson RD-15 Cooling system

    I just bought a 54 Johnson RD-15 25 Hp on eBay. I have seen some reference to the " water tubeless" design on the lower unit. I'm not clear on how that works compared to the water pump tube I see on my 58 FD-12. Any clues. Also, in general, I know the RD's changed style in 1955. Other than...
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    Shipmaster Control hook up.

    Trying to get the Shipmaster Controls hooked up to my 58 Johnson FDE 18 Hp. Have it figured out except where Throttle Cable locks onto the port side of the steering bracket and the Shift cable locks on mount of side of starboard shroud. (See items F. and K. on the attached link...
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    Starter Switch Correct Wiring

    I am having trouble with wiring a 5 lugged keyed starter switch to my 1958 Johnson 18hp. Currently setup is: Two black kill wires to MAG and GRD White wire from starter to SOL Power lead to BAT Choke wire to ACC The trouble I am having is the Starter kicks in when the switch is in the RUN...
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    Wiring a Tach to a 1958 Johnson 18hp

    I am rehabbing an old boat with and using a 1958 on FDE 12, 18hp. I picked up an old Airguide Tach for it. THe harness I have has unused wire I can use. My question is on wirng it to the motor. The instructions note to hook it up to the primary on the Magnito. took off the fly wheel, but...
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