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    Thermostat/cylinder head cover Gasket bedding - 1978 70HP Johnson

    Gday I started out replacing just a thermostat on a 1978 70hp Johnson until one of the bolts snapped. Then in removing the cylinder head cover to fix that bolt, snapped two more 🙂. Anyway after lots of practice removing broken bolts I’m now bolting it back together with OEM gaskets. I wouldn’t...
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    1977 70Hp Johnson - Valve, pressure relief

    G’day Wonder if someone can tell me the purpose of these 2x “valve, pressure relief” (#101 in diagram) in my 1977 70hp Johnno. If I was to hazard a guess, perhaps they’re to relieve excess water jacket pressure if the thermostat will not open????
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    Part number not listed - Timer base 580974

    Gday Hoping someone might know which models this timer base fits, does it have a superseded compatible part number? Timer base part number- 580974
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    OEM parts incorrect or gearbox foreign bearing carrier

    Gday recently purchased gearbox bearing carrier shaft seals to suit 1982 70hp evinrude and they appear to be too small. current seal ~41mm OD and ~ 29mm on ID and new seals part #321467~ 35mm OD and 24mm on ID. Hopefully image attached tells the story. any thoughts on the mystery??
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    Model# not showing up

    Gday I have a J6RCIC engine serial number A672898 and I can’t see this model number in the marine engine model finder. Need to order parts not sure which model # to use…… thanks
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    Blowing engine fuse after 2 seconds of cranking ‘78 Johnson 70hp.

    Gday all Weirdest thing. I am blowing the 20amp fuse near the starter solenoid everytime I crank the engine for 2 seconds. Cranking obviously then stops when the fuse blows. Fuse is ok with ignition on or off and with choke active. Fuse does not blow instant I start to crank, but blows after 2...
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    Johsnon Model not showing

    gday i have a johnson with plate 70ETL78C that does not register as a legitimate model number..... It has a cracked gearbox that i am looking to replace with an envinrude E70TLCNB. Will the Envirude gearbox be suitable? Thanks. You guys are the best....
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    cracked gearbox johnson 1978 70hp

    gday from down under trying to bring a pride albatross back to life :). all going well except the 70hp johnson has some significant cracks in the gearbox casing. Rumour has is it that these motors can be run with some gearbox casing cracks without too many issues. Any comments would be muchly...
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    Johnson / Evinrude interchangeability

    Hi Will the gearbox off this engine evinrude 65ESL73R fit this one Johnson 70ETL78C?? thanks
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