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    What are the odds of this?

    My dock has mooring whips. In the last 20 years I have unhooked the whips, untied the lines and pulled away in my 19' Searay Bowrider, thousands of times, without a problem. Two years ago I trade the SeaRay for a 21' SeaSwirl Bowrider. During those two years with the new boat, the rear...
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    Will 2 cycle outboards outlast 4 cycle OBs?

    Does the oil in a 2 cycle motor help control corrosion of the outboard's intake, block and exhaust systems? Will a 4 cycle OB corrode faster in salt water?
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    Two Data Points, Priop Suggestion?

    I have two data points, and want to choose the best prop for fuel economy. The boat is a '98 21 Seaswirl Dual Console with a '98 150V6 Carb'd Johnny. The boat is decidedly bow heavy, but with that Looper has great hole shot. It came with a standard OMC Alum. prop of 17" pitch. I get 5200RPM...
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    What is idle and max timing for '93 135V6

    My Aftermarket service manual says idle pickup timing should be 7 degrees ATDC, and max advance is 21 degrees BTDC, unless the timing decal states otherwise. Anybody have the real info?
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    Why does my carb flood?

    I have a '93 Merc 135V6. The lower carb seems to flood, althought the float is set correctly and the inlet needle seams to seal very well. Is it possible that the mid or upper carb are actually flooding and the fuel travels thru the intake manifold, recirculation hose or some other path...
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    Why did my voltage regulators burn out??

    Folks, I just acquired a 1993 Merc 135 HP V6. It has the dual 20A voltage regulators, fed from the 4 yellow wire stator. When I got it one V/R was burned out. I had it afew days and the other V/R burned out. I can replace them, but I sure would like to know why they burned out.
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    Anyone have an Avenger still running?

    I have a 16' Avenger. I just installed a 135HP V-6 Merc, after my old Merc 1500 went to Merc-Heaven. Performance is excellent.
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    Accumulator on '93 Merc 135 V6?

    I have the subject motor. The exploded parts diagram show an "Accumulator". What the heck is it, where is it located and what does it do? Serial num is 0D261920
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    Wrong oil used in '07 150HP Optimax?

    My neighbor has a '07 150HP Optimax. His son-in-law filled the oil tank last week and now the motor does not run properly (rough, low power etc). It is possible that the oil tank was filled with TCW-III outbaord oil versus DFI oil. Is this a problem, and how big of a problem, or should he...
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    Where does the fish box drain?

    My '98 SeaSwirl 21 Dual Console has a large livewell in the bow, between the bow seats. It has a drain, which appears to go into the bilge. It runs slowly, and appears to stop draining after a while. There also seems to be a center passage from the transom forward, which could be a central...
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    Is it a 2.0L or 2.5L block??

    I looked at a 1993 Merc 135 HP V6. Does it have 2.0L or the 2.5L displacement?
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    Why not ride on the bow?

    Saw an article in the local coastal NJ newspaper. A 40' cruiser operating out of the marked channel, ran aground in Barnegat Bay. Two young girls sitting on the bow were slammed into the bow rail and went to the hospital with internal injuries. In NJ, anyone who sits on the bow of a boat...
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    Create a flush port on a Merc inline

    Is there any way to build and install a flush port on an inline? It seems that if fresh water was introduced into the water jacket over the head, it would flush the head, exhaust port and waterpump. It would seem to be a simple matter to put a tee into the tell tale hose, or use the other...
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    Anyone ever try a Sleeve Transplant?

    I have an 850 inline with severly scored cylinders. I also have an inline six with one thrown rod. It ironically has newly bored cylinders and OS pistons. Is it possible to transplant the sleeves, pistons and wrist pins from the inline six to the inline four? Note: the inline 6 has the...
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    '98 Johnson 150HP has big smoke upon restart

    My '98 Johnson 150 Ocean Runner smokes, stalls and seems to load up upon restarting after it sits for an hour or so. Scenario: Cold start is good, FastStart system keeps motor running for nearly a minute, prior to idle down, and at that point it runs good with a normal amount of smoke...
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    What is the future for Outboard Motors - DI or 4 cycle??

    I had a discussion with my local Merc dealer last week. I asked him his opinion on the future technology of the outboard. He surprised me by saying merc is going to all 4 cycle motors and will phase out the Optimax line, as well as the carbed 2 cycle motors. Do you folks agree? What do you...
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    Rust on spark plugs, Compression OK, is motor bad?

    I looked at an '87-88 Black Max 150 (Serial Number began with 0B). The lower had some barnacles and the LU nuts and bolts were corroded. All cylinders had 110-115PSI, but cylinders 2 and 6 had some rust on the base of the gapless plugs. The LU grease was clear and green, and the motor was in...
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    Will an inline lower unit interchange with a V-6 LU?

    I was wondering if the LU from my '77 1500 would fit on an early'80s Merc Black Max 150. I know that the prop shafts are the same, and that the gearcase is 1/4" larger on the V-6, but will the inline LU bolt up onto the V-6? I can always run the inline prop of the correct pitch.
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    Purchase of early 80's Black Max 150

    I have been shopping for a used motor. The local boat guy took in an early eighties 150HP V-6 Merc. Looks to be suffereing from lots of neglect, but it is not seized. It has the clam shell cowling and oil injection, but I haven't been able to scrape the crud off it to get the serial number...
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    VHF has inteference from FF?

    I installed a new VHF Radio in my boat yesterday. The owners manual for the radio claimed it was "virtually Immune to ignition noise". I haven't tested that claim yet, but my fish finder sure puts some noise onto it. Is this unusual? Is there a way to reduce/eliminate the ff noise? BTW the...
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