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  1. M

    What Prop Pitch ???

    I have a 1983 Mercruiser 260hp, Alpha 1 on a 1983 21' Searay. I think it has a 14 1/2" prop with a 17 pitch. It gets up on plane real quick and easy and runs about 38 to 40mph at 4200 rpm. I damaged the prop a little while putting it on the trailer and I am going to replace it. If I stay...
  2. M

    Which Mercruiser Prop

    I am new to this forum and looking for help. I recently bought a 1983 Sea Ray 21' Bowrider with a 260hp, 350 CID Mercruiser and I think an Alpha I outdrive, The outdrive has a sticker on that says 5.7 litre. Someone had stolen the prop and I need to replace it. The owners manual say's to...
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