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Louie
Louie, Technician
Category: Motorcycle
Satisfied Customers: 11448
Experience:  25+ yrs. experience
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1991 Polaris 500 backfires but wont start
, was running

Customer Question

Customer: 1991 Polaris 500 backfires but wont start
JA: Thanks. Can you give me any more details about your issue?
Customer: was running just died is getting fuel and spark but wont start and backfires once in while
JA: OK got it. Last thing — JustAnswer charges a fee (generally around $18) to post your type of question to Motorcycle Experts (you only pay if satisfied). There are a couple customers ahead of you. Are you willing to wait a bit?
Customer: yes
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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, proposed preliminary tries (if have not been done):

  • • have a compression test on the engine;
  • • or better yet, a leakdown test.