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  1. M

    I/O Merc 140/3.0L 4 cyl head bolt torque?

    I see posts that are close but not exact. Can anyone tell me the sequence #s and the head bolt torque for a Mercruiser 4 cyl 140 3.0L 1990? Thank you.
  2. M

    140 hp I/O Merc head gasket replacement time?

    Does anyone know what the estimated shop time should be for replacing a head gasket on an I/O Merc. I have a 140 hp 4 cyl.
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