How old are your coolant hoses??
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09-12-2013, 06:38 AM
Joined: Aug 2004
Location: Mpls, Mn.
I replaced the hoses on my '01 KTM 640 when I noticed the anti freeze was discolored due to the original hoses deteriorating from the inside out with ASI Silicone hoses.
2008 KTM 990 Adv & 2007 KTM 640 Adv
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