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Author Topic: How To: Get rid of a 'Milky' sight glass  (Read 9017 times)
Slide Panda
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« on: September 25, 2008, 12:58:00 PM »

Ok, this is a very basic topic - but it appears over and over again. So...

What the hell is that milky crap in my oil sight glass?!  OMG is my bike going to blow up?
- Don't freak, you'll be fine (well you hope).  That milky stuff is just moisture.  Lots of short rides where the engine never really gets above 100 deg C can promote the appearance of this milky stuff.  Lots of wet weather, cooler temps etc will also bring it on.

If you have an air cooled Monster, your worries are over as it's not a sign of anything bad happening with your bike.  If you want to get rid of it, simply ride you bike until it's nice and hot.  Then when you stop for gas/lunch/nose pick simply remove your oil filler plug for 30 seconds give or take.  Do this a few times and the milk should disappear.

IF you have a water cooled Monster follow the steps above - but also keep a close watch on the coolant levels in your over flow tank.  Make sure to do any measuring under that same conditions - like bikes cold and parked the same way in the same spot, to prevent mis reads because of fluid expansion, tilt of the bike etc.  If you coolant level is mysteriously going down, and you have a persisting milk issue, that's a good sign of a coolant leak and further investigation will be needed.

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-Throttle's on the right, so are the brakes.  Good luck.
- '00 M900S with all the farkles
- '08 KTM 690 StupidMoto
- '07 Triumph 675 Track bike.
MendoDave
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« Reply #1 on: October 16, 2008, 12:53:00 PM »

Hmmm I never thought of removing the fill cap. I just assumed the moisture would go out the oil breather.
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mstevens
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No Monster of my own, but my wife has an '09 696


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« Reply #2 on: October 24, 2008, 06:38:50 PM »

Wait... you mean that thing's supposed to be clear?!
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2010 Ducati Multistrada 1200S Touring (Rosso Anniversary Ducati)
2009 Ducati Monster 696 (Giallo Ducati) - Sold
2005 Ducati Monster 620 (Rosso Anniversary Ducati) - Sold
2005 Vespa LX-150 (Rosso Dragone) - First Bike Ever

Casa Suzana, vacation rental house in Cozumel, Mexico
DuciD03
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« Reply #3 on: October 28, 2008, 06:37:50 PM »

1+ explanation & metod all work.
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