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Louie, Technician
Category: Motorcycle
Satisfied Customers: 11757
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: 6 months ago.
Category: Motorcycle
Expert:  Louie replied 6 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.