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    Mercruiser 3.0 LX wont start after turning engine off. Video

    Definitely sounds like voltage drop, how many CCA’s has your starter battery? If you have a multimeter, measure the voltage drop when cranking
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    Drive alignment & Rear engine mounts not flush

    After lifting back in one of the two Mercruiser 262CID V6's in my SeaRay I was having trouble getting the alignment tool into the coupler. after investigation I found that I had missed the two spring washers between the transom plate mounts and the flywheel cover engine mounts. I´ve since...
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    rebuilding tips and tricks

    Is there an (old) thread with well organised, useful tips members of this forum have collected that you could share to help those who rebuild? If not I think its a great idea to collect these.
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    1990 4.3LX Rebuild - Worrying Cylinder Heads

    Hi all! I'm renovating my second 4.3LX, I'm ready to start to put the thing back together after ny new sump arrives (had a pinhole in it near the oil plug) but have hit a problem with the cylinder heads after getting them milled and cleaned. The outer valve seats look lovely but the inner valve...
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    Alpha one knocking noise diagnosis

    I noticed last season a very quiet knocking every now and then from my 1990 gen 1 alpha one drive, this season when taking the boat out, if I turn to starboard the is a very pronounced knocking at almost all rev ranges. It gets louder with higher revs too. I pulled the drive, oil is clean...
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    Engine room power rise/fall solenoid clicking

    Hi iboaters! I started removing my port engine in my 1990 Sea Ray 260ov the other day and now the hatch function is broken. I have a power rise/fall sundeck which contains the engines. its actuated by a hydraulic arm wired up to the starboard engine. So after disconnecting the power, battery...
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    AQ130D Carburettor damage

    While tightening the fuel line to one of the dual Solex 44 PAI carbs, the internal thread in the carb got stripped out. It seems like these carbs are nigh on impossible to come about; does anyone have some tips how I can re-thread it?
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    Classic Sea Ray 260 Overnighter (OV) owners thread

    Hi All, What a great boat this is, and I was thinking of a place we fellow owners can post interesting/useful infomation on this classic Sea Ray. My 260OV is from 1990
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    Identify exhaust tips for repair/replacement

    Can you help? They have a large Q on the rubber splash flaps, but I can't find any other markings on them.
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    1990 4.3lx V6 oil leak

    After rebuilding my 4.3 last year I notice now there is quite a bit of oil in the bilge. It looks like its coming from the stem leading to the oil pressure sensor just behind the intake manifold on the port side of the engine.. Can I just remove this and use some thread sealant or do I need to...
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    Pressure testing cylinder head

    I Have got 2 possible second hand cylinder heads for my 1990 V6 4.3 and wonder if you have any tips about testing it for leaks? So far I have come up with 2 ideas: 1) Acetone test in waterways 2) Let my head reconditioning company test it Here are pics of one head:
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    Hole in Piston ? 1990 Merc V6 4.3LX 262CID

    'She?s been running rough on one engine' Is an understatement. So, what happened, this boat (Sea Ray 260ov 1990) was purchased last year with known compression issues in the starboard engine, a test was carried out and all cylinders give 140 but number 6, which a gave a reading of 125psi after...
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    1990 Mercrusier 4.3LX Manifold Bolt sheared when torquing

    Hi All, I was putting the exhaust manifolds back on the aforementioned motor when the bolt furthest aft broke around half way down the threaded part. The other bolts went in fine but were not torqued up due to me worrying the same would happen. I assume this was due to excessive pressure (a...
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    1989 Sea Ray 160CB OB Restore

    Hi All, My name is Will and I took on this fine Sea Ray last year knowing about the 'squishy' floor on the aft deck. I am residing in Sweden so right now its real cold and I have been looking through this forum to get some inspiration how I should tackle the Job this coming month. The general...
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    Sea Ray 1989 CBOB deck repair

    Hi All, I have a Sea Ray 1989 CBOB and have a soft aft deck in the middle and also by the passenger front seat. There has defiantly been some rot damage as the marine ply there under the carpet is black. I have not taken up the floor yet there and was planning to start in the spring (cold in...
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    Merc 100hp starting issues

    Hi I have a 1989 100hp Mercury outboard and have some starting problems. From cold I can turn it over with choke and it generally burbles into life with no problem, but a lot of blue smoke. After a few seconds of running it generally dies and further attempts to turn over the motor, with choke...
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