Where's the oil strainer on the 2006 YZ450F?

3 replies to this topic
  • oldtimemxer

Posted January 20, 2007 - 10:47 PM


The earlier YZ's had a strainer screen that caught a lot of break-in debris. Where does that material go now? More than ever it might be a good idea to use a magnetic drain plug? Which side would be the bottom of the sump? Both?
Isn't the air box boot to carb. junction easy to get on and off now!:lol:

  • grayracer513

Posted January 20, 2007 - 11:39 PM


There's no such strainer in the '06-7. The one in the early bikes didn't really accomplish that much, as coarse as it was.

Carb access suffered a bit from the chassis upgrade, but it's not as bad as some.

Do you lie the way the bike handles?

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  • mxrider531

Posted January 21, 2007 - 08:17 AM


the new 07 yz450f handles like a dream man. But i'm still trying to get rid or the pop-pop-pop when you down-shift. and let off the throttle.

  • oldtimemxer

Posted January 21, 2007 - 09:41 PM


After adjusting the shock spring sag and lightening up the compression damping in the forks two clicks it is starting to feel pretty good.

The pop pop is a lean fuel mixture from closed to 1/4 throttle opening. I had to put a #45 pilot jet in mine to reduce the leanness. I tried to ride mine on a 35 degree day at the local arena, and worked for 15 minutes to get it started. After changing the pilot jet and turning the pilot fuel screw out 2 and 5/8 turns, it too is working much better.

I rode the 2007 in the Dealers back field, and it felt awesome. But not a good proving ground like a MX track or the arena where I have been dialing in my 06.


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