carb tuning

  1. Sebastian Bluecrew

    Carb tuning issues with a 720

    Current build...... 1995 XP 720, Bored 1.5mm, Pro-X pistons, Factory Performance Pipe without ECWI, dual 40mm carbs 140/75 jets, 40-ish pop-off, stock airbox. Motor is complete rebuilt all new gaskets and orings. Compression 150psi both cylinders. Rotary valve timed exact. Skip the grey fuel...
  2. Lelandridesrotax587

    Carburetor adjustment

    So I just took apart my carb on a 1991 seadoo sp and need to know how many turns out from closed the high speed needle needs to be, and how many turns the low should be. Thanks!
  3. K

    Carburetor Adjustments help please

    Have a 1997 spx 787 and specs {http://www.seadoosource.com/carbreference.html} call for LOW- 1 HIGH- (MAG-0 PTO-1/2) The 1996 xp with the same engine and carb jets call for LOW- 1-1/4 HIGH- 0 1\2 turn extra on the pto side is a lot of extra fuel to that cylinder Any master tuners find...
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