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    leaky steering upper seal/swivel pin

    1996 donzi 3250 LXC. twin mercruiser 5.7 LX EFI bravo 3 I noticed some water coming in the boat lately. A very slow leak. It turns out its the upper steering seal. the area near the steering arm is wet. worse while trolling when the rear of the boat is more submerged. I plan on...
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    Battery Isolator question:

    New to me boat, has 2 mercruiser 5.7s and 4 battery banks. starter bat 1 starter bat 2 generator bat house bank (2 6 volt bats making 12v) currently the boat has a 2 alt to 3 bank isolator for the alternator charging system. When the engine is running the house bank is not charging. It is...
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    Bimini ball socket mount stripped

    I had the same problem. stripped out screw hole in the window frame for the bimini fitting. I used liquid metal/ JB weld and screwed it in. Let it sit overnight. It's been solid all last season!!
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    Prop advice needed

    That would be insane in my boat. :)
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    Prop advice needed

    So just so I understand. I should just keep the 17p 3 blade stainless. BUT if I want a lower cruising/planing speed, i could buy a 4 blade prop. Do I buy a 17P 4 blade, or drop it down to 16? I see lots of 14.5 x18 4 blades available, but it probably wont work well with my boat.
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    Prop advice needed

    4 blade sounds like the best for my heavy ass boat. I should fix my tach. its on my list.
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    Prop advice needed

    Ok, so I should be looking at 15 or 16 pitch? what if I were to go 4 blade? should I go 16 or 17 etc...
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    Prop advice needed

    My engine should go to 4800. I hit 4400 with the 17p. I should add that my tach is a little wonky. I have to tap it. So not sure if 4400 is accurate. Less with the 19p. It was struggling to keep on plane unless wot.
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    Prop advice needed

    Hey guys, I have a 26 footer pocket cruiser. Donzi LXC 255. Bravo 1 drive. 5.7 Carb was running a 17 pitch 3 blade stainless prop. ran fine, but thought I could get a higher cruising speed. So i installed a used 19 pitch 3 blade stainless. Went out for first run. Cant get on plane...
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    1988 GM 5.7 stalling when slowing down

    Check for water in fuel. I hat this problem before. When slowing down, due to angle of the boat, the fuel pickup would suck up water and stall at idle. Check water seperator for water.
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    Stripped bikini fitting screws in windshield frame

    Hey guys, My bimini top screws into the windshield frame. My boat has a round aluminum frame. Three screws are stripped out. I’d like to fix this properly. -Upsize screw? -Helicoil 10/24 and use machine screw? (Not sure if there is enough meat in frame to use a helicoil.) -Aluminum...
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    efi to carb swap. fresh air to engine?

    Hey guys, i had idle and drivability problems with my 1996 merc 5.7 efi setup. after years of troubleshooting and throwing parts at her, I finally ditched the efi for a edlebrock carb 1409 and intake manifold. the boat has never ran better. However I'm concerned about safety. My boat has...
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    1996 mercruiser 5.7 efi tbi stalling at idle

    after replacing intake manifold gasket and buying a rinda scan tool and trying to diagnose issue. i finally gave up. i never did solve the issue. i decided to ditch efi and install a carburator. a new edelbrock 1409, new intake manifold, low pressure carter fuel pump, and new distributor...
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    1996 mercruiser 5.7 efi tbi stalling at idle

    Since i bought the boat used it has had a high idle 1200+ rpm. recently i had a stall issue develop and i decided to finally fix the idle issue once and for all. engine will run all day over 1000 rpm. previous owner had drilled out the throttle plate stop screw. (probably trying to lower idle...
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    crank no start condition after incorrectly hooking up battery.

    1996 doni lxc. 5.7EFI tbi MEFI-3 I reinstalled my engine after replacing my spun coupler. I must have been very tired, because I accidentally reversed the battery connection on one battery. Key was off, and battery selector switch was off as well. After a couple sparks on the neg post...
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    Bravo 1 slipping prop condition...

    Donzi lxc 255. 5.7 Efi Bravo 1 On the weekend, took my boat out. Cruising was ok, till about 2500 rpm. Had a hard time getting on plane. Actually it wouldn't at all. Revs would climb up to 5000rpm, as if a clutch was slipping on a car. Prop would barely spin. I though spun prop...
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    350 mag efi, high idle 1300rpm and low top speed

    1997 donzi 255 350 mag efi Bravo 1 I just bought the boat used. The place i bought it from replaced the engine and outdrive as the were not winterized properly and cracked. How do i adjust the idle? Top speed is 31mph at 4000 rpm. Is this normal for this kind of boat? It seems low...
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