no radiator fluid?

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no radiator fluid?

Post  big boar, little man on Sun Feb 08, 2009 3:54 pm

Went riding last weekend. 140kms of tight tracks and technical bits. Heard a bubbling noise coming from the radiator as three guys and myself were pushig the bike up an impossiple portion of track. It was dark and we were nearly home so I didn't stop to look. When I got home the the reserve tank for the radiator was empty. The radiator was still full. Before leaving that morning the thing was full. An inspection of the radiator revealed no probs. Does the fluid spew when it gets hot or what? Help.
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big boar, little man
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Joined : 2009-02-08

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Location : Lyon France
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Re: no radiator fluid?

Post  doug@dsa on Mon Feb 09, 2009 12:00 am

Yes they will spew like a stuck pig pig when pushed hard.They need lots of air flowing when the trail gets tight. Getting a higher temp radiator cap will help a little but it wont cure the issue. See if you can get a 1.8 bar cap. Stock is 1.1.
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doug@dsa
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Re: no radiator fluid?

Post  Hodakaguy on Tue Feb 10, 2009 11:55 am

doug@dsa wrote:Yes they will spew like a stuck pig pig when pushed hard.They need lots of air flowing when the trail gets tight. Getting a higher temp radiator cap will help a little but it wont cure the issue. See if you can get a 1.8 bar cap. Stock is 1.1.
+1....

Also make sure that your jetting is spot on, If you are lean on the bottom end it will cause this. (Probably the most common cause of boiling over). If you are going to do a lot of slow technical riding consider adding a cooling fan: CLICK HERE.

Hodakaguy
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Re: no radiator fluid?

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