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  1. Fiveo Invader

    water pump impeler

    How do I get the old impeler off of the shaft in an 89 A1 Merc? Its like its welded it self on there. No matter how much force i put on it its stuck. my next step is the torch or is that a bad idea. the impeler is totally shot theres not one fin left, found out the hard way up river. Had to...
  2. Fiveo Invader

    Why cant I shift gears?

    Gentlemen, After finally figuring out this older boat life style, I have another problem. I thought that I finally had them all sorted out. My 1989 4.3 Merc A1 will not shift correctly. It will bind really bad, if it goes into to gear. The motor stalls sometimes and sometimes it stays...
  3. Fiveo Invader

    Wont shift into neutral while running

    Has anyone had the problem where the boat wont shift into neutral when the motor is running? 1989 Mercruiser 4.3 with an Alpha 1 outdrive. When the boat is idiling, it runs like a dream. When I try to go to neutral it will go directly into reverse. I know the damage that will be caused by...
  4. Fiveo Invader

    Pulling an I/O engine?

    Hi Guys, General question on pulling the engine from a boat with an I/O. The boat is on a trailer, so it's pretty high, which means a car-style cherry picker wont reach. Any other suggestions on how to pull the motor? Thanks
  5. Fiveo Invader

    1989 4.3L Mercruiser - Bad rod bearings?

    Hi guys, I'm working on a 1989 4.3L Mercruiser (GM 262 V6). Got it cheap, knowing there are some engine issues. Intake gasket turned out to be fried, allowing water into the oil... which can only mean bad things, I know. I've fixed the intake, misfire, and other issues, and she's running on...
  6. Fiveo Invader

    Prop Id

    Is there any way to identify the type, make or pitch of the prop that I have? Its a 3 blade stainless on a 19 foot INVADER bowrider with a 4.3 merc and ALPHA 1 I/O . The guy I bought it from stated that he had just installed the prop, but didnt have any paperwork. Its very new by looking at...
  7. Fiveo Invader

    1989 Mercruiser 4.3

    I have a question regarding the 4.3 I/O Mercruiser. I am new to the site. After reading many of the threads, it seems that you guys know a thing or two. I purchased the boat yesterday and I cant get it to start. It wants to to start but its just turns over almost like theres no spark or the...
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