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  1. G

    150HP Water Pressure expectation

    Hi,<br />I have an Optimax with .06 bar at idle which I think is less than 1 PSI. I have read several posts about the popet value etc. However can someone advise what water pressure I can expect from Idle to full RPM?<br />Regards Dennis
  2. G

    Decarb Optimax

    Hi,<br />I used to have a ficht which I decarbed regularly. Do Optimax motors need to be decarbed and if so how.<br />Regards Dennis
  3. G

    150hp Optimax plug sellection

    Hi,<br />I have a 2003 model 150hp Optimax manufactured in 2002. The standard plug is a NGK PZR5F-11 running a .40 in. Gap. I purchased some new plugs some time ago for a 2003 model which are IZFR5G. <br />Looking on the NGK web site these IZFR5G plugs are for 2003-2005 models and run a .31 in...
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