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    Need help Identifying outdrive

    I have a 1990 7.4 with a dual prop outdrive that the drive is not engaging. I need help finding ID #.
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    Lenco trim tabs . Updating to swithch with the position indicators

    The tabs I want to update have the bennett switch conversion so the duetesh connectors won't work. I can make duetech connections. I assume i can just convert the bennett flat connector to duetesh. Before I get flamed. Yeah I know Duetech is spelled wrong just don't know how to spell it...
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    Lenco trim tab position indicators?

    My Lenco trim tabs have no position indicators. Can they be retrofitted or must I get new tabs?
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    Volvo Penta Service in the Branson Misssouri area?

    Heading that way tomorrow. Any recommendations if I run into trouble?
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    1990 AQ740A riser gasket instalation proceedure question.

    I read what bruceb58 posted but it says that does not apply to pre 1993 engines. So what do I do? Assemble dry? Really gonna miss Don.
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    Seawater pump wobbling on AQ740A. Any tricks to bering replacement?

    New bearing will be here today and vacation starts Monday. No time for a screwup. Any help appreciated.
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    Changing the bearing on seawater pump.

    AQ740A. Bearing is bad and a new one plus seals and impeller on the way. Any tips on procedure to change it?
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    AQ740a OEM service manual needed

    Volvo Penta says NLA. I know I saw them online someplace else but I would be happy with anything. Anyone got one or know where to find? TIA
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    Water in right bank of AQ740. What next to do?

    New to me boat. The engine cranked really hard and when I checked the plugs I found the left side dry and all four on the right wet. I pulled the manifold and riser apart and found a leak between the riser and the riser extension. Before putting the manifold back on I cranked it over. Out of...
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    DUH!!! AQ740 not 470

    Just realized I have been typing 470 when I meant 740.
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    NLA fuel pump AQ470A. Mallory 9-35406 will work.

    FWIW you have to reindex it to make the steel line to the carb work and replace the steel line from the filter with a hose but it will work. SHOULD BE 740.
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    Manifold termonology and how the heck it works

    AQ470A. I would like to understand how watercooling the exhaust works without filling the cylinders with water when the engine is shut off. Also what are the risers? Also whats the oil viscosity requirements of this engine? Seloc manual not much help. TIA
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    AQ470A GPH needed foe electric fuel pump to replace the NLA mechanical?

    Can't find a mechanical. Wondering what GPH needed.
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    Cleaning the honey comb filter on carb.

    In searching for solutions to my fuel pump issues I came across discussions on the honey comb filter in the card inlet. I'm no boat expert but I've dealt with more than enough old gasser truck carbs to know the honey comb filter rarely needs replacing. Just clean it with arresol carb cleaner...
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    AQ740A mechanical fuel pump. Why won't a mallory 35426 work

    Seems to be a common number for other big blocks. Should be 9-35426. Can't edit topics. TIA
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    Fuel pump help Volvo AQ740 A W

    Mechanical Fuel pump is puking fuel through the vent line into the carb. Dealer says the pump is no longer available. What size, GPH, electric pump do I need to replace it. Summit has Holley Marine pumps rate at 97 GPH 7PSI for a reasonable price. # on original fuel pump is C3000. Dealer...
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    Help identifing carb needed. 1990 740dp

    New to me 1990 mirage with a 740DP. I can't find any engine #s. Probably just don't know where to look. It runs poorly and the carb is an automotive holley fourbarrel. What marine carb should it have? TIA.
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    Interupter switch Question

    Newbie here and I'm a farmer not a boat mechanic. OMC Cobra on a 5.0 in a 89 bayliner. When I manually actuate the interupter switch shouldn't it kill the engine? TIA
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    Nauticus trim tab adjustments

    Got my sx trim tabs installed and took off my whale tail. 1850 bayliner Capri with 5.0. I have them in hole 3. What hole do I move them too if it does what? I can't find any instructions for that. TIA
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