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    efi convertion

    We have a 75 mercruser 188 (ford 302) and are wondering about adding a car fuel injection system and manifold what changes are required to be coast guard complyant?
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    quicksilver controls

    82 18' cobalt 228 mercruser, Every time we fix this boat a unrelated problem pops up! The throttle only button has locked the boat in neutral, I rave read posts that mention a rebuld kit(some say waist of time) but have not found kit anywhere online. How do I determine the model of the controls...
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    shift issues

    Pulled drive off 82 228(305) mercruser. to aline engine and replace impeller, and cant seem to get the shift cables adjusted to have reverse. I can manually shift drive to lock prop in reverse. And pull lower cable to lock in reverse. but I have to pull hard and if I let off tention it slips...
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    outdrive blues

    Trying to help my cousin... he changed the impeller on his 82 mercruser 228hp(305) and got the shift linkage out of place, When I tried to help we pulled the lower unit and the shift rod spins freely. (I am assuming that he broke the shift crank). unless I am missing somthing the prop shaft must...
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    Cracked 3.0

    I am looking at a boat with a cracked engine block (3.0 merc). I have heard that this engine is based off the 2.5 chevy. will the standard automotive block work? or do I need a marine engine? Thanks
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    ignition timming

    I am helping my uncle get his 82 Cobalt 228hp mercruser (305 chevy) running again. It is hesitating badly and has no power, we will start with a basic tune up. Plugs, wires, cap, rotor, points,and a fuel filter. Do you have to disconect a spark advance to set the timming? I did not see any...
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    Old boat new life

    We finnaly got my dads 75 18ft Mark Twain on the lake yesterday affter a procrastinated summer project that took too many summers. We removed all the interor and had it re done and rebuilt the carb. It runs a 188hp merc 888 (ford 302). yesterday was a test and tune day that turned in to a...
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    seahorse 4 prop

    Hey I did not have any luck at the prop forum, so I thought I would try again I have a 1974 (4r74r) 4hp johnson. the other day i broke a blade on the prop it uses a 3 part (prop rubber damper hub) plastic prop. I think it is desined to slip in weeds or if the blades hit somthing. Is there anyone...
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    seahorse 4 prop

    Well I finally got the registration back for my boat and we went to try it out it ran pretty good but I think I need to do a little more work on the carb... the reason I am posting this is that I made a 2 blade prop out of a 3, The prop is a 2 part plastic with a rubber bushing in between. I...
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    trolling battery

    I am geting ready for the first season on the water after buying a small boat. This site was very helpful in geting my 4hp johnson to run so I thought I would ask about the other end. I am running a Bass hound 9.4 (9ft 4in plastic hull) it weighs 150lbs (rated for almost 500) and it came with a...
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    impeller change

    I just got my seahorse 4 (4r74r) going it runs like a top! Everyone seems to agree i should change the water pump impeller. (I dont have a service manual yet). How in depth is the job? I conseder myself mechanicaly savy but have no outboard experiance. Are there any special tools required...
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    to spark or not to spark

    I recently traded for a johnson seahorse 4 (4R74R) It had spark when i got it in september, but ive never heard it run. I replaced the spark plugs (auto light 303) I now dont get any spark! I did the "shade tree" screw driver in the wire test and both are firing. But i have no way to test for...
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