![]() Evidence of aluminum corrosion was abundant. Someone at some point had put that crappy coolant in it and as a result the rubber o-rings basically disintegrated when the coolant pipe was removed. I recently inspected the valves on a friend's 20, which required draining the coolant and removing the coolant pipe which runs into the cylinder head. I've seen the effects of using "any old glycol based shit" on water pump impellers, clogged heater cores, and rubber seals, and I would never recommend it. Looking up the MSDS of Yamacool however, tells me that it is at least a phosphate based inhibitor package. Doesn't say what the hybrid anti-corrosion additives are or in what percentage they exist. What you're quoting about the 'spec' tells me nothing I don't already know. If it gets changed it will be any old glycol based shít from a local motor factor "Contains reinforced hybrid anti-corrosion additives, based on mono-ethyleneglycol, suitable for light aluminium alloys used for engine design"Ĭlaims to be compatible with other fluids - my 2015 bike came with blue fluid which is still in there after 16900 miles. I know that the Yamaha service manual calls for an Ethylene Glycol antifreeze containing corrosion inhibitors for aluminum engines. What ASTM standards does it meet? What anti-corrosion agents does it use? How toxic is it? These days color means nothing because it varies drastically between manufacturers and its all dye based anyway. I want to know the chemistry of the coolant I'm using. I know a lot of people have opinions about coolant brand and color, just like oil. But regardless, has anyone else heard anything about this? I'm not sure I completely believe the dealer, and I may also choose not to use Yamacool because 8.99 a quart is ridiculous. This seems odd, not sure why they would make this change and not publicize it well. He claimed he spoke with Yamaha and they said it would be better to have a bit of extra water in your block than to mix the two coolants. The dealer guy claimed if you were going to use the new Yamacool green coolant that you should flush the system with water first. I have not been able to find anything official about this from Yamaha. ![]() And according to word of mouth from this guy at the dealer they are not supposed to be mixed. Obviously these are just dyes, but it signifies a change in chemistry. The old coolant color in the 2015 models and some of the 2016's is blue. But the dealer also said that Yamaha updated their coolant color/chemistry in 2016/17. ![]() (IAT, OAT, HOAT, etc?)Īnyway, I stopped into my local Yamaha dealer, which is a relatively small shop, and wanted to know if Yamacool came in concentrate gallon jugs (I prefer that over the premixed quarts at $8.99 a pop). I'm currently trying to decide what type of coolant I want to use, and also educating myself on what Yamaha calls for, and exactly what type of coolant Yamacool is. I'll be making a how-to video as usual for the FJ-09. A beater, maybe o.k.I'm getting ready to change the coolant in my FJR and FJ-09. I can never understand being penny-wise and pound-foolish with very expensive equipment. Having said that, unless it was an emergency, I would not top off my coolant with a different brand/type of coolant. It also states that it mixes with any color coolant and will not void the vehicle warranty. ![]() Otherwise, it states that it is suitable for complete replacement or top offs, implying that it IS compatible with the MOPAR coolant. ![]() If you read the text on the label, the asterisk refers to the "lifetime protection guarantee" conditions. It is only full flush replacement compatible for the vehicle engine if maintained going forward with the Peak. This stuff is not mix compatible with MS12106 coolant. The asterisk denotes that a complete flush and refill with the Peak coolant is required and the top off is only if topping off a system with the Peak coolant already in there. It is compatible with Spec MS 12106 as seen in the picture attached below :ĭevil is in the details. PEAK Global can be used in place of the Purple Mopar Coolant. ![]()
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