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  1. S

    4 Blade Prop

    I have a 1980 20HP Mercury . I was thinking about trying a 4 blade prop. But I thought it might lag the engine lag to much being a 20 HP. It's the COMPROP from Cabelas. $57.99. Anyone have any experience with 4 blade props on smaller motors. They have 10.5 X 11 or 10 X 13. I'd appreciate your...
  2. S

    4 Blade Prop

    I have a 1980 20HP Mercury . I was thinking about trying a 4 blade prop. But I thought it might lag the engine lag to much being a 20 HP. It's the COMPROP from Cabelas. $57.99. Anyone have any experience with 4 blade props on smaller motors. They have 10.5 X 11 or 10 X 13. I'd appreciate your...
  3. S

    20 HP 1980

    I have a Mercury 20 Hp 1980 model. I just got the carb readjusted. But I've taken out about 3 times. But yesterday, it started making a noise like hard knock back and forth at full throttle. Runs ok. Top end seems little different. Is this anything serious or just an old motor.
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    Mercury SN# = What Year?

    My SN# is 5609075. It's a 20 HP. Tiller. Also is there anyway I can convert to remote steering. I've got the steering cable and wheel. The rod slides throught the motor, but the tiller handle is in the way. Also I don't have an idea about the engine throttle and shifting. Thanks
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