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Coolant Replacement


With all the variables in which create engine temp, I don't think this would justify replacing current anti-freeze. Let's face it, Yamaha finally realized there was a problem with the cooling of the old models therefore installed a radiator. I would think if the coolant mixture was wrong or even improper they would have chosen the more economical approach such as 50/50 mix etc. instead of installing more weight to the machine.

If the sled is getting that hot in which you feel this stuff is needed, I would assume you have other problems. I'm still not sure about all the hype covering the anti-freeze issues with Yamaha. I've heard about the 50/50 mix, the Water Wetter, and now this stuff. Wouldn't one think Yamaha has the proper R&D for developing coolant needs for their products. I just find it hard to believe that Yamaha fills the sled with straight anti-freeze for no reason. Just my thought.
:Rockon:
 
LooseCannon said:
I just find it hard to believe that Yamaha fills the sled with straight anti-freeze for no reason. .
:Rockon:
Who knows the reason but they did :ORC
I would hope it's by accident and not intentional. Grab any anti freeze and read the label, 70% is the max that any of them recommend.
 
Mighty-
You are the KING of Reality Check signs! Pick a new Emoticons that one is getting OLD!
So you know for sure what the exact mixture is from Yamaha, or just think it's dark green color indicates 100% anti-freeze. Man thats one H3LL of an accident if Yamaha has been doing it for three years plus. You would think they would have noticed all the posting here at TY and investigated the manufacturing facility to check coolant mixtures.

My turn :ORC
 
Ted Jannetty said:
I would be a little concerned it only has freeze protection to -27 F .

It gets alot colder than that were I ride.

I would just add distilled water to existing coolant for -40 F protection.

Even if it got colder I doubt this stuff would freeze solid it would probably just turn to mush and that wont hurt anything either.
 
I have this gizmo called an anti freeze checker. Two of them to be exact. One has 6 little balls in it while the other has a lever kinda like a fuel gauge. Both checkers say dangerous when I suck up a testor full of coolant. So no I'm not going by what the $hit looks like :tg:

If you guys remember back, there have been several posts over the years about 100% anti freeze and over heating issues. Many issues were fixed by simply dilluting the mixture while many more added rear exchangers. I'm one of the guys that added the rear exchanger.
 
I'm not saying your wrong because I put a rear exchanger on mine also to help lower the temp and give greater surface for cooling, but I still don't understand why Yamaha would do that if that is truely the case. I also think people solved there problems by riding in better conditions.

:tg: That's better LOL
 
Here's the thing the Coolant is just that 100% coolant and it will not dissipate the heat like water can or like this engine ice will.


It took me 1 hour to change from coolant to this stuff. When my sled never over heats It will be the best hour I spent working on my sled.



Remember this 2 you will never get all the coolant out so the protection will be slightly more then -27 degrees.
 
This one really irks me. The factory has been doing this 100% antifreeze thing for three years, perhaps more.

I talked to national sales rep about it in spring of last year, and he said "he never heard about it" and laughed at me when I told him that. He said "we don't have a bunch of guys going around with jugs of coolant adding willy nilly, it is mixed in big 600 gallon vats.

I told him I didn't care if it was mixed in a swimming pool, somebody wasn't doing it right.

He said he needed to hear it from the dealers, then he would believe it.

Of course it was AFTER I bought the rear heat exchanger, and ran ALL winter over heating regularly that I took a good look at the anti freeze and it looked way too green. It did not look like it had enough water in there, and that is when I brought out my checker, which simply checks the specific gravity of the liquid. It went off the scale. I assumed the checker must have gone bad so I bought another and brought it home and checked it and it did the same thing. That is when I put it all together. I checked another sister sled (same make and model snow checked at the same time and likely built at the same place and time) and it too was showing no water in the antifreeze.

I posted here to let everyone know what I found out. Apparently some sleds didn't have that problem, but once posted there were tons of others out there that had too much antifreeze too.

Now 2006 model sleds out and guess what??? So 2004, 2005 and now 2006 models still get'n a full load of 100% antifreeze.

Hot engines will cause lots of problems besides the hot light going on in ideal conditions. Your sled engine will wear out quicker, be prone to other failures and all this besides making your weekend trips less enjoyable when you find out the sled you purchased for about the price of a cheap car, isn't working very well.

Do yourself a favor. Check the coolant on any sled that has the hot light coming on, especially if it is made in Japan. Then, if you find yours is overloaded with antifreeze, call your dealer and tell them to call yamaha and let them know that somebody on the assembly line needs an education on where "MORE IS NOT BETTER" especially when it comes to antifreeze.

I wonder now if the heat exchanger was even necessary, since once the right mix was installed (unfortunately, while I put the exchanger on, and which was paid for out of my own pocket) it never over heated again.
 


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