2003wr450breathing heavy and dumping oil

4 replies to this topic
  • moevic

Posted July 03, 2015 - 11:31 PM


Tony from oz
just got my wr450 rebuilt it seem to be breathing heavy and spurting oil any answers

  • Krannie McKranface

Posted July 04, 2015 - 06:16 AM


Please be more specific

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  • stevethe

Posted July 04, 2015 - 07:37 AM


Make sure you didn't overfill your oil amount.

  • moevic

Posted July 04, 2015 - 12:29 PM


Please be more specific

sorry mate its my first time on a forum
Just had a rebuild 5th 4th and selector fork new piston and rings cam chain oil is spot on but oil is coming out the breather and the bike seems breathing heavy out the same pipe

  • JVP

Posted July 08, 2015 - 10:07 AM


It sounds like you have too much oil in the bike.  They only take 1000 cc or 1 quart.  The other option is that the oil filter is in backwards or not at all, but that is very unlikely.


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