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  1. J

    Early 90s Merc 150 2 stroke overheats while wakeboarding

    I've been helping a friend troubleshoot this issue for probably 5 years now. He has replaced the impeller and housing multiple times, new popit, and new thermostats (2x). The boat always seems to run fine until we start wakeboarding. Even if we are not falling, the boat still overheats and the...
  2. J

    '09 15hp 4 stroke wont run without choke and I need to push prime and goose it a lot

    Hello. I just bought a 2009 15hp Mercury 4 stroke and it ran rough on the test drive. (11.5' dinghy) It wouldn't idle with the choke in, but started on the 3rd pull. I took it out, about 5 minutes no wake speed, then WOT for another 5+ minutes. It planed fine and went pretty fast. I could...
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