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Louie, Technician
Category: Motorcycle
Satisfied Customers: 12278
Experience:  25+ yrs. experience
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I have a Suzuki Vinson 500 that I replaced the CDI box on.

Customer Question

I have a Suzuki Vinson 500 that I replaced the CDI box on. Now it will start, but not rev up. Any ideas of a fix?
Submitted: 11 months ago.
Category: Motorcycle
Expert:  Louie replied 11 months ago.

Hi and welcome to JustAnswer,

Thank you for the question and your patience. Should you still need assistance for information purposes only...

Initially, is the part original or a replacement / substitute? Why was the CDI replaced?

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

  • • check color of spark plug tip to determine if lean (most likely) or rich (least likely);
  • • verify air box and air filter correctly installed fit with no leak
  • • measure battery voltage while idling and when attempting to rev.