2005 yz450f oil coming out of my blow by tube



2 replies to this topic
  • djryder510

Posted July 14, 2014 - 07:24 AM

#1

Do i need to do a top  end rebuild? Are the o rings going bad? To much oil? Sorry i'm  a bit ignorant on this subject



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  • Krannie McKranface

Posted July 14, 2014 - 07:33 AM

#2

If you don't own a service manual, you should

 

Your valve cover breather will spew oil if:

 

You ride at top rpm for 3min or more

You wheelie alot

You don't let all the oil drain out when you change oil, therefore your oil level goes up with each oil change

You overfill your oil

Your rings are shot



  • grayracer513

Posted July 14, 2014 - 10:58 AM

#3

Whether or not it's anything to concern yourself with at all depends on how much drips from the tube.  Not unusual to see them belch some if you ride them hard.  A few drops along the frame, a 2 inch puddle on the floor, normal.

 

Manuals:

http://api.viglink.c...uals/index.aspx

http://api.viglink.c...ook.com.au/?r=0

 

Oil change info: http://www.thumperta...e/#entry7615908







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