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  1. M

    Testing / Dyno

    Im looking for a dyno to my racing 20 hp outboard engine. Any body can advice a smaller and cheap model to monitor the torque.
  2. M

    Merc 60 Hp shaft spline damage ?

    Hi I have a Merc 60 hp 2008 big foot. Boat has been used by many different drivers and there has been several problems with the remote control. Latest problem was that gear didnt engaged. I took the cables off and shifted manually when engine was running but no turning. I took the shaft out...
  3. M

    Merc 20 Hp 1967-79 / Correct starting motor

    Hi Its impossible to get the engine to start with this starting motor. Anybody can advice for correct starter.
  4. M

    Merc 20Hp -69 Increase output for racing

    Re: Merc 20Hp -69 Increase output for racing Power heard There is not much to do.... I machined the fresh and exhaust ducts. I was thinking if its wise to grind even more to grind off the tree "holes" perhaps the piston rings dont like it. I tried a Original Quick Silver prop. Its too big...
  5. M

    Merc 20Hp -69 Increase output for racing

    Re: Merc 20Hp -69 Increase output for racing Hi As you can see there is not so much material to machine off. Mainly the duct after careburator could be increased. Also into combution space very limited. Do you know a good web sait for spares? Im seaching for starting motor and some other...
  6. M

    Merc 20Hp -69 Increase output for racing

    Hi Im have several Merc 20Hp engine and i have planned to use one for racing( Merc 20 1969 ). Does anybody know if connectong rod Crank shaft is bigger for Merc 35? I was thinking maybe to drill up the block so 35 hp piston will fit. The difference with diam is only 0,438" for the piston.
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