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    tuneup in sacramento ca help?

    I just bought a boat 1981 seaswirl 16' openbow with a 1981 75hp johnson o/b model J75TRLCIM. I took it out on a test run and it worked but seemed a little slow and just wanted to have it checked out. for this motor out of curiosity do you think you might have a ballpark on a tuneup, verifying...
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    what prob to use?

    I have a 1981 seaswirl 16' openbow fiberglass. 1981 75hp Johnson seahorse model: j75trlcim I am looking for alittle more performance, it seems to be a little slow. is 75hp just gonna be a slow motor for this boat or re there things to make it a bit faster? is there a prop for this engine that...
  3. G

    johnson motor help

    I just bought a new boat, it has a 75 johnson seahorse MODEL: J75TRLCIM SERIAL: J5485727 It is on an '81 Seaswirl openbow an looking for info on engine because I cannot seem to locate this model anywhere on the net to get a manual. also I was interested in what ratio gas mix to use on this...
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