Oil problems

5 replies to this topic
  • tweek

Posted May 29, 2005 - 03:30 PM


I have heard comments/concerns about the amount of oil in the WR/YZ and saw two 450s torn down at the Yamaha shop. I ask and they suspected the oil was to low and the motor gernaded. I have also read about "squeals" coming from the motor. I am ass-u-ming these are riders who didn't check the level before riding.
Question: has anybody actually experienced a problem with the 450 related to the oil level?
'03 WR450

  • WGP

Posted May 30, 2005 - 07:01 AM


I keep getting a high level with my 05 WR450, anybody else, will this damage the engine or other parts? Its only a little high on the dipstick??

  • tweek

Posted May 31, 2005 - 08:23 AM


If you change the oil and filter you and 1.2 quarts and 1 quart if you do not remove/replace the filter. After you run the motor for about five minutes check the level with motor off..........................
'03 Wr450

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  • WGP

Posted May 31, 2005 - 08:39 AM


Now is it Quarts or Liters?
I'm pretty sure it's 1.2 L, maybe that explains my 1/4" high readings? Will this screw anything up?

  • tweek

Posted May 31, 2005 - 12:16 PM


You are correct! It should have been "add 1.2 liters."
One quart = 0.946 liters.

  • JTWR450

Posted May 31, 2005 - 01:05 PM


go to your shop, pick up a "Ratio Rite" that the 2 smokers use when mixing and you will never go wrong. It has the measurements on the side of the deal and it even comes with a built in pour spout so you dont have to worry about dripping oil or using a funnel.


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