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  1. #1

    1997 Pro 785 info needed

    I am wonder if some of you guys know what stock jetting and what the stock settings are for the high and low speed screws on a 97' 785?


  2. #2
    ph2ocraft's Avatar
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    In 97, they showed two options which are supposed to yield the same results.

    Main MAG-180..CEN-175..PTO-180
    Pilot 82.5 All Cylinders
    High Speed Screw 0 turns
    Low Speed Screw 13/8 Turns Out

    Main MAG-170..CEN..165..PTO-170
    Pilot Jet 85 All Cylinders
    High Speed Screw 3/4 Turns Out
    Low Speed Screw 1/2 Turns Out

  3. #3
    thanks for the info!

  4. #4
    absentx's Avatar
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    Why in 99 and 2000 did they drop the jetting down to 155, 150, 155 and what made up for the lower jets?

  5. #5

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    they changed the internal design of the carbs .

  6. #6

    Join Date
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    Here's what Randy @ Watcon had me switch to for jetting last summer, and it's pretty much perfect. I'm about 500-1000ft elevation.

    Pilots 95
    Main's 170pto, 165center, 170mag
    Seat 2.0
    High setting 1/2 turn out all cylinders
    Low setting 1 turn out all cylinders.

    Thumb to pinky nail sized piston wash, with many long high speed runs.

    Edit: I see your in Shakopee. I'm in central Iowa, so the jetting should be good for you as well.

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