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Yamaha MX & Off-Road Dirt Bikes
Cr85 2005 using coolant?
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[QUOTE="razorboy, post: 1282154, member: 62244"] You're pretty lucky that the bike has not already seized up! A quart of coolant is quite a lot in these small cooling systems. Actually, I don't know that they hold more than a quart? The coolant coming from the overflow may have been a result of the lower level and the bike starting to overheat? You may have a leak somewhere? My sons KX85 had a small crack in the head next to the coolant inlet that went unnoticed for awhile. The rad could be blocked with something or else crimped off somewhere causing the flow to be decreased and that is causing the bike to overheat? You may also have a blown headgasket as mentioned. The bike will produce white smoke when riding as it burns off the coolant getting into the cylinder (not good for the bike and it will eventually seize the topend). You may also have a bad waterpump setup (WP gear, bearing and seal). Usually caused by small sand particles getting in there and scoring those bits up. This will allow coolant to get into your transmission. The tranny oil will look milky if this is the case. This will damage your tranny if left unchecked. Your oil level will have gone up and thinned out by the coolant. Thats about it, it has to be one of those things as there aren't many places for the coolant to go on a 2-stroke. Hope this helps? Bernie [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
Cr85 2005 using coolant?
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