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  1. M

    Thermostat replacement

    Did you figure it out? My twin engine 86 340 needs a thermostat. The searay service manual says 140 thermostat btw . How long does it take to replace the thermostat? Thanks for the help
  2. M

    Issue with Fresh Water Fill Leaking, Water in bilge . . .

  3. M

    The big old 80's 340 owners thread

    I have a 1986 340 ec. Just looking for any pointers on replacing the sea impeller. Ive done one on other boats but figured id ask . What wrench sizes and any tricks or tips. Thanks for all the help. They are the 5.7 260 hp motors
  4. M

    The big old 80's 340 owners thread

  5. M

    My New Toy

  6. M

    overheating

    Hello. Does anyone know the part number for a 1986 5.7 liter 260 hp sea pump impeller. Its in a 340 express cruiser with straight shaft drive. Thanks for the help.
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