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    70HP Johnson loses power

    I recently rebuilt my early 90s 70hp johnson and put new standard rings in it and had my mechanic tune it up (carbs). The engine starts fine, idles fine, and takes off ok. But about 5 minutes downriver it loses power to the point if I let off the throttle, it will cut off. Usually I will stop...
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    Looking for a new prop (?)

    I have a slight issue. My 1984, 70hp Johnson runs about 6000rpm at WOT, which I'm 99% sure is too much. I'm thinking a new prop with different pitch will help correct, but I'm not sure which way to go. Current prop is 13 3/8 x 17, which I was told by the guy at the prop shop was correct for...
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    trouble getting model number

    I have a 1984 Johnson 70hp and the tag with the model number has been removed. I can get numbers off the block/carbs, but can these be cross-referenced to find out which model I have? I'm trying to rebuild, but difficult w/o model #. Thanks for any help.
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