Radiator Fluid Change

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allinson
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Radiator Fluid Change

Post by allinson »

It is time to drain my radiator fluid. A couple of questions?

1. Do I drain the radiator and the plug by the impeller?
2. My KTM has a bleeder to get the air out. Does the KDX has one as well?
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scheckaet
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Post by scheckaet »

yep they do have a bleeder to get the air out on top of the head.
Plug by the impeler? Don't remember doing that last time I replaced the fluid.
allinson
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Post by allinson »

I am not sure, but I thought that I seen a drain hole down there?

When you open the bleeder, do you have the bike running?
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Indawoods
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Post by Indawoods »

Yup
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Post by allinson »

Is that a yuper on both the bleeder while running and the drain hole?
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Jeb
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Post by Jeb »

I don't open the bleeder while running. After you've poured in coolant to achieve the needed level, slowly open the bleeder and you'll usually hear it make a slight hiss and then it'll start to leak. . .

you'll need to add a little more coolant.

Start it up for the first time with the rad cap off. Rev it (a little) and you'll see air bubbles. After a few minutes the bubbles will cease, put the cap back on.
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Indawoods
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Post by Indawoods »

Yup was to the bleeder on the head. I always crack it when the bike is running. As far as flushing the entire system... I have never had to do it, I have only pulled the lowest hose and drain so I could get the cylinder off without getting coolant in the lower end.
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"People ate cows a thousand years ago for the same reason we eat them now. Cause they are easy to catch.We're not savages,we're just lazy. A cheetah could taste like chocolate heroin. But will never know. Those bastards are fast!!! "
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