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Old 01-21-2014, 12:29 AM   #1
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Default the most common problems mercruiser engines have

I dont know if this question has been discussed or not.The question is,what are the most common problems mercruiser engines have?,ans what are the most common problems to face people while riding Maxum?.I hope your answers will help and educate many Maxum boat owners, to be prepared incase of if something goes wrong.Cheers
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Old 01-21-2014, 12:33 AM   #2
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common problem is leaking manifolds, which can lock the engine if left unchecked, maxum biggest problem is they burn @ 4.79 a gallion.
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Old 01-21-2014, 01:18 AM   #3
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The manifolds problem can be solved by any trained mechanic,but the gas problem can be solved by a fat bank account.lol
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Old 01-21-2014, 09:58 AM   #4
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IMO there is nothing to single out mercruiser regarding problems. Merc and volvo which make up > 90% of he sterndrive market use the sam GM gas long blocks. If you have read engine problems folks have posted the majority of issues come from lack of maintance, not replacing worn out manifolds, raw water impellers are the top. Both can and commonly result in engine replacements and occur to volvo owners as well. Other than that things just wear out and salt water increase this but this is the nature of boating.

I know nothing unique about Maxums that but you at any higher risk than any other boat. Have a manover board plan, make sure someone besides you can stop the boat and call for help, don't drink too much,don't do stupid things that you think sound good at the time, and watch out for other boats; sometimes it's not in your control what others are doing but te affect is you get hit.

Be safe, be smart, and have fun
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Old 01-21-2014, 06:30 PM   #5
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Thank you guys for the good info.Cheers
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Old 01-21-2014, 09:39 PM   #6
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Hold my beer and watch this
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Old 01-21-2014, 11:50 PM   #7
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Next in the news Arizona man parks boat on the rock, guess his drink was getting warm
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Old 01-22-2014, 02:07 AM   #8
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Oh im in the mix man.lol
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Old 01-23-2014, 05:29 PM   #9
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I don't feel that either Leaking Manifolds or Fuel Burn are exlcusive to either Mercruiser or Maxums. Any marine engine with water cooled exhaust manifolds and risers are going to need to have these items replaced on a regular basis. Failure to do so will lead to failure as an eventual outcome. When and where they fail is not brand specific either. As for fuel burn, ALL planing hulls will require a relatively high burn rate.

Your alternative is a open aspirated diesal on a Full Displacement hull with a dry-stack exhaust. That max you out at 8 kts, but will bash through more seas than the skipper or crew will handle.
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Old 01-24-2014, 06:34 PM   #10
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Yes,i have seen those diesel engines in south east Asia,and they use them on there wooden boats.The wooden boat can be 75 foot with 190 HP.They move 5 to 7 kts,but they go forever.But slow speed can be dangerous for 25 foot boats, at times when the sea is mad.
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