3 replies to this topic
  • kieran 400wr

Posted October 01, 2010 - 08:16 AM


i have a 00 wr 400 starts from cold first kick but only runs for 5-10min then starts banging jumping and cut out , last sat i took bike out for a run 30 miles and back put new chain on and went out again 5min into the run it started banging , today i changed oil ,filter,air filter,new plug but still no good ,

anyone know wats up THANKS


Posted October 02, 2010 - 08:37 AM


Did it just start doing this "banging" or develop over a certain time? It is getting worse? Does the motor sound good when cold? How many hours are on the bike??

Could be a stator issue - could be loose??

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  • Kawidad

Posted October 02, 2010 - 10:06 AM


Can you define banging? Do you mean like backfiring, or is it a mechanical type noise? Makes a huge difference in trying to help diagnose the problem.

  • William1

Posted October 02, 2010 - 12:14 PM


+2 on the stator.


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