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    how do you run an OMC TUFM-21C out of the water?

    this antique is all new to me. i have no idea how to run this on land. anyone remember ? i just googled it and apparently it is an OMC stringer i do not see anywhere to attach a hose to this thing. it is a chrysler motor, and it is a 1973 225 model
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    api scan tool opinions?

    hi all, i have a rinda techmate and think i need something more advanced. maybe im wrong. i am looking at the API scan tool 5000. id like to know if anyone has used or is using the API &/or rinda to compare them
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    troubleshoot no spark on a 60hp 4 stroke merc

    looking for a diagnostic tests for no spark, i have a 60hp mecrc, not sure ofthe year serial # is a923404 i need info on testing the ignition system. the tests i found do not have the same colored wires as in the tests i found.
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    2014 MPI fault codes 321 & 322

    hi all, i wrote about this issue last year and after tuning the engine, the customer was pleased to inform me it never ran better, then a week later he called saying the DTC light was on again. i have this boat that is throwing 2 hard codes, 321 starboard cylinder bank fuel trim too rich &...
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    89 omc with cobra drive, fights me to shift into neutral

    ok, so this boat has a new cable, fully adjusted with factory tools, the shift interupt switch is operating as designed, the micro switches as well, when in reverse and going into neutral the shift assist kicks in, the shift linkage arm(for lack of better words) lifts up, activating the shift...
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    noise coming from gimbal/coupler area after taking on water

    after running down some overheat issues and resolving that problem, ( see post : https://forums.iboats.com/threads/seriously-need-some-experts-help-on-this-one-no-water-exits-manifolds.757931/ ) i have found that there is a noise on the back end of the boat/coupler area. i have already pulled...
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    seriously need some experts help on this one, no water exits manifolds

    ok, so i had a post earlier about this but i want to consolidate. this is a 2004 5.7 MPI. bravo set up. the boat came to me overheating. previous owner replaced impeller thermostst (aledgedly) and inspected the manifolds. (yeah right). While running and testing the system ,the feed hose from...
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    2004 merc 350 mag mpi high temps on new dry joint manifolds

    i have an issue where this boat has readings on new manifolds and riser of over 180 degrees, back story ,the boat was overheating terribly and the previous owner had another mechanic run tests where he pulled the thermostat and "allegedly" pulled the risers for inspection. which he said were...
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    4.3 engine with 5.0 outdrive

    i have a boat with a 4.3 engine and the drive is shot. i have a 5.0 drive with no id tag on it but i know it was from a v8. both units are late 80's. what will running this set up effect?
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    looking for measurements for v/p sx-a trim pistons

    i have a 2009 v/p and believe the trim pistons are not going to full extension and was hoping someone out there with the same setup could give me a measurement from center of pin to center of pin. i have 19 3/4" full extension. i really think this drive should be able to go up further. i pulled...
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    any tips on replacing the prop shaft seals on a dp-sm outdrive?

    i have the spanner tool to remove the retainer from the case but i do not have the puller to pull the outer shaft from the drive. anyone make their own? this thing is over 2oo bucks.
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    2008 5.7 mpi running rich and low idle, under 600rpm

    i have no codes, scanner #'s look good, the IAC was tested ok, swapped it out anyway and still low idle, engine runs smooth but at such a low idle a slight stumble can be heard from the exhaust. the engine has 41, yes 41 hours on it. the boat was in storage for many years, put back in service 2...
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    I'm looking for a manual for a duo prop outdrive, i need to replace prop shaft seals

    does anyone have access to a manual on line? i need to replace the seals in the carrier and between the 2 shafts and i have never done a duo prop before.
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    omc 4.3 cobra rear engine mount issue

    i had to pull the transom/ gimbal assembly off this boat to replace the gasket. the boat sank and now i get to fix it. the whole assembly is back together but the engine will not align. the coupler sits too low in rear. i have adjusted the front mounts all the way down but can't get it where...
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    opinions: best way to replace swivel shaft and gimbal ring on bravo

    so, i have done many of the gimbal rings by means of drilling a hole in the housing and knocking off the nut. i have yet to do it by pulling the motor and going in from the boat. the boat i am doing now, i have easy access to pull the engine and wondering what others thought. i think that...
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    looking for wiring info on 9.9 merc 4stroke

    i have a 9.9 troller motor that has no kill switch and no tiller handles since it was hooked up tgo the steering system. im looking for info on what wires need to be used to wire a kill switch. i believe i know which ones they are but do not want t short anything out by impropper wiring.
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    engine pinging and backfires and stalls

    the timing is set up 10 btdc. firing order is correct.. yes, ignition parts are merc. cap/rotor , wires, coil, plugs. all new even when it is detonating, it still runs smooth, no vibration, no stumbling, nothing to indicate an issue. last trip out, i tried moving the distributor, and still had...
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    F250 TXR RAN OUT OF FUEL, NOW CANT GET FUEL TO INJECTORS

    i have this boat that i was getting ready for the season, started right up but stalled after a few minutes, found the primer bulb would not harden up, found the o ring seal on the ecternal filter was no sested correctly and allowed air in. i replaced the filter and the primer bulb got rock...
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    water tube from impeller to upper section alpha one gen II

    here's a 1st for me. the boat was overheating, replaced the impeller as maintenance, still overheating, manifolds looked old as dirt, replaced dry joint manifolds/risers and spacers. found crossover hose from manifold to water distribution log filled with silt and rust, blocked solid.i thought...
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