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Old 02-25-2019, 09:31 AM
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Default Yamaha 4 stroke oil change gone bad?

My wr400f dipstick reads full after draining .. 2 reservoirs wtf? Anyone Please Help??
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Old 02-25-2019, 04:38 PM
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If you did not warm it up prior to draining the oil, you can have this.

Paw Paw
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Old 02-28-2019, 05:31 AM
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Join Date: Jan 2004
Posts: 174

There are two bolts that need to be removed. One on the engine, the other is at the lower front of the frame down tube, facing the front fender.
Also, there's a metal strainer located on the bottom of the down tube, it should be cleaned periodically. It has a tube attached to it- do not try and remove the strainer by bending the tube out of the way to get clearance, you'll wind up damaging the tube. Loosen both ends of the tube and remove it before removing the lower strainer/screen. Be warned- It's real easy to damage the tube and a pain to get the O ring seated properly when re-installing, if your in doubt about tackling the screen, don't do it.
A Yamaha owners manual explains it in detail.

Part #4 is drain screw, #2 is strainer/filter

Last edited by tirebiter; 02-28-2019 at 05:42 AM.
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