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  1. S

    Block crack

    "find that the block is crack "find that the block is crack araund the cylinder or loock like , when runing the water get into the lower cylinder , replaced the head gasked and head and still getting water , that;s way I think is around the cylinder the compression is good 120 psi and I saw...
  2. S

    Yamaha 90 HP 1989 leaking oil

    "my yamaha is leaking oil, but "my yamaha is leaking oil, but it looks like a milk shake probably with water too and smells to gas also , it seams to be from the lower crank shaft oil seal , first I thought it was from the oil pump, but after remuving the oil pump , still happend the same , so...
  3. S

    90HP yamaha 1989 not pumping oil

    "I have a yamaha 90 hp 1989 th "I have a yamaha 90 hp 1989 that I think have a problem with the oil pump , first the oil tank is full and the alarm goes off since I start the motor without stoping, second the there is a lot of oil leaking under the crank case when the motor runs and I removed...
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