need help mercury optimax

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Joined: Thu Apr 10, 2014 4:36 pm

need help mercury optimax

Postby Bret118 » Sat Feb 11, 2017 8:47 pm

Has anyone had problems with there mercury optimax having no low end power? Runs rough at idle and dies some times when putting it in gear. Won't get up on plane unless someone stands on the bow. Once it gets up I can run 5800 rpm with a 26 tempest. Went down to a 25 fury and still has no low end power.

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Joined: Mon Feb 12, 2007 12:37 am

Re: need help mercury optimax

Postby Abb » Wed Apr 04, 2018 6:15 pm

i have a 05 opti 225and my idle is not to bad no cutting off either. however when my boat is loaded up 2 ppl live well full full tank of gas it bogs down. i to would have to have someone on the deck to get on pad. I went through multiple props and troubleshooting. finally found out that I had a crack in the block smh. the good thing is that this problem was happening for 2+ years and still running. the shop epoxyed the crack and engine runs smoother its quieter and gets out of the hole better. it took 4 trips to the shop and 2 different shops to fugue this out hope ypu solve hope this helps

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Re: need help mercury optimax

Postby Velisi33 » Mon Apr 23, 2018 5:25 am

sorry i don't have an idea

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