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  1. Jeffs62

    1980 Johnson 7.5 intermittent water stream along with steam

    So far I have replaced the water pump assembly and impeller, thermostat and a cracked head. Flushed out the whole engine and everything seems to run great and after testing in a garbage can seemed to have fixed the problem so I took it out on the lake and at idle everything is good but when you...
  2. Jeffs62

    1970 merc 40 4hp. Just inherited along with all the problem. Rpms fluctuate

    It's a solid motor. My father in law had some work done on it a few years back ran some bad gas through it and then gave up on it. I got ahold of it. Finally got it started wouldn't hit wot adjusted a screw on the carb and finally got a good sounding motor. Only problem is no matter where I...
  3. Jeffs62

    78 merc 115 having problems with WOT

    I have a pretty well maintained 78 merc 115 6cyl. I recently replaced the fuel lines all the way from tank to carbs and replaced the cover for the cracked fuel I'm not sure the exact term but fuel diaphragm mounted on the engine next to the carbs. The carbs have been rebuilt and synced the...
  4. Jeffs62

    Johnson 88 spl hates morning start and idle

    I have a 95-96 or so Johnson 88 spl. when i first get out on the water the initial start up is a slow process. the engine will chug and die a a few times then after a few more cycles of cranking it will chug a little longer and after a few more key cycles it will finally start sounding like it...
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