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Old 12-26-2016, 03:13 PM
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Default ha yamaha yz 250 - 2013 bleeding coolant

     

on my yz 250 -2013 how d o i bleed air out of radiator. 1st i fill it up to required level
2nd move the bike side to side 3 nd refill remaining coolant to proper level. the problem i have when i go out later i check level I move the bike from
side to side again it still gurgles like air is still in t he radiator but no lost in coolant level. i have done this procedure on all my bikes cr 250 . is there a new way
on a new models like a 2013 to bleed air out . the manual says nothing happy holidays

Last edited by bjunior; 12-27-2016 at 03:27 PM.
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Old 12-27-2016, 01:06 PM
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Just run the bike for a few minutes, let it cool and then top off the radiator and you're done.
P.S.: You didn't go through this process with a YZ490 since it's air cooled....
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Old 12-27-2016, 02:29 PM
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Never heard of that one before. Bleeding a a radiator?
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Old 12-28-2016, 01:22 AM
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if there is no bleeding screw on the radiators or onto the cylinder or head then there is no special bleeding procedure, just do as JMV said, air should gather up on top of the rads, just make sure you fill it up to the required level (top of radiator cap hole where it seals).
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Old 12-28-2016, 08:40 AM
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Quote:
Never heard of that one before. Bleeding a a radiator?
Some bikes, like KTM don't have a crossover tube between the top of the rads. They have a bleed screw on top of the left rad to vent the air out. The YZ250 has a crossover tube, so no bleed screw.
JMV
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Old 12-31-2016, 12:24 PM
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Yz plus RM 250 rads are not full to the top anyway. There is no sense bleeding a Radiator which has 15% free space anyway, well that is at least my understanding. Never bled mine never had any issues. But then I might just been lucky
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