Recent content by HPDI

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    HPDI VST Filter Fouls Over and Over and Over

    Hello Rodbolt. I have a 200hp Z200Y HPDI on a 1980 22? Boston Whaler Outrage. The motor has given me four years of trouble free operation. Now, like a lot of people, I am wrestling with my VST filter. It has been replaced three times. And the canister filter above the VST has been replaced. The...
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    Using Carb Cleaner to Clean VST Filter

    Greetings. Sodium Sulfate has clogged the VST filter on my 200HP Yamaha HPDI two times in the past three months. To quickly clean the VST in the future, someone had the idea to drain the VST tank, bend the end of a carb cleaner straw 90 degrees, insert the straw into the VST drain, and shoot a...
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