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Louie
Louie, Technician
Category: Motorcycle
Satisfied Customers: 11427
Experience:  25+ yrs. experience
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Will be running fine then start cutting out die & backfire

Customer Question

Will be running fine then start cutting out die & backfire 550 artic cat atv
Submitted: 2 months ago.
Category: Motorcycle
Expert:  Louie replied 2 months ago.

Hi Martin, I’m Louie. Sorry you had to wait awhile but I’ll do my best to help.

Initially, a little more background info please:

  • • has it been in storage for a length of time;
  • • is this a sudden recent issue;
  • • or slowly developing while in use;
  • • any recent work, repairs or mods done.

Still, proposed preliminary checks (if have not been done):

  • • drain-clean tank and replace with fresh fuel (even if just to eliminate as a suspect);
  • • check/clean fuel path (least likely);
  • • check/soak/clean injectors (likely);
  • • test fuel pump output pressure (most likely).

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