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  1. S

    200 HPDI and trolling?

    I have a 200HPDI and will trolling at 600 to 1100 rpm be harmfull to this motor? Has anyone had problems? Thanks Striperjoe
  2. S

    Decarbonizing a motor?

    I have a 2001 HPDI 200hp and have 700 hours on the tach. I have used faithfully ring free constant treat 1oz per 10 gallons and also only used Yamalube 2 stroke oil through this engine and I'm orginal owner. Does this motor need to have a more agressive decarboning at every 100 hours or will the...
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