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Louie
Louie, Technician
Category: Motorcycle
Satisfied Customers: 12672
Experience:  25+ yrs. experience
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2010crf250r cut out halfway through ride, then started ran

Customer Question

2010crf250r cut out halfway through ride, then started ran for a hundred metres, cut out again, did that a few times, then wouldn't start..
Submitted: 2 years ago.
Category: Motorcycle
Customer: replied 2 years ago.
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Expert:  Louie replied 2 years ago.

Hi and welcome to JustAnswer,

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

Initially, re-check the fuel both for quantity and quality.

Still, charge the electrical system to enable priming of the fuel pump with a few light kicks. Then attempt to start again with idler adjustment screw pulled out. Proposed preliminary checks (if have not been done) :

  • • carefully remove the sparkplug;
  • • check the burn color of the ceramic at the tip end;
  • • results would indicate:
  • - if black/sooty, then rich and/or vacuum leak issue;
  • - if oily, then an internal engine problem;
  • - if light brown to whitish, then lean and/or an air leak concern;
  • • check if the tip is wet with fuel; and then
  • • cautiously perform a spark test;
  • • results would indicate:
  • - if not wet or overly wet, then fuel delivery issue;
  • - if no/weak spark then electrical/ignition concern;
  • • consider replacing the sparkplug(s) (even if new and just for purposes of eliminating as suspect(s).