Gen 4: 2011-2015 OVERHEATING! Help to diagnose 2011 ABS - Page 2 - Kawasaki ZX-10R.net
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post #11 of 22 Old 11-02-2015, 11:32 AM
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I will just add that if you have not replaced the coolent before now would be a good time to freshen it up.
I might have missed it but, yes, flush and replace the coolant with the proper mix and type.

You may have too much coolant and not enough water, which would cause your problem.

Service the cooling system and see what shakes out.

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post #12 of 22 Old 11-02-2015, 01:05 PM
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We're ok to about 250f plus some, if I recall. I would add a couple tablespoons of water wetter to the reservoir and make sure the level is up to the line. I go past the line.

Now I know this is gonna disturb everyone, but I WOULD change the oil often and the filter until the temp goes lower. use amsoil syn and their little filter. Don't do any other oil at this time. Heat is a major problem for even good oil so I would change the oil

My g4's always run cool unless idling at a stupid traffic light or running up a steep mountain section in heat at high rpms but even then it's like 203f and sitting at the light in heat it's not above 212f.

the above is on both the '11 and the '13 in normal humidity as in NOT dry desert stuff. I'm in the Monterey Bay CA, USA area.
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post #13 of 22 Old 11-06-2015, 08:09 PM Thread Starter
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Thank you guys!
I havent gotten a change to get to it yes. Been working a lot. My immediate goal is to flush the system and get a new cap. Also, whats the best thing to use the clean the radiator on the OUTSIDE? It looks like it picked up some grime from the wheel. I tried brake cleaner but couldn't get it all off. Should i try a carb cleaner?
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post #14 of 22 Old 11-06-2015, 08:11 PM Thread Starter
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oh and also, where are the drain bolts to drain the coolant? I drained in on a zx6r before and i remember that there is one bolt on the pump and one on the cylinder head. Is this zx10r the same?
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post #15 of 22 Old 11-06-2015, 08:43 PM
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Muratic acid. Remove the radiator to clean it that way.

Drain plug on the pump housing.

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post #16 of 22 Old 11-08-2015, 12:16 PM
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oh and also, where are the drain bolts to drain the coolant? I drained in on a zx6r before and i remember that there is one bolt on the pump and one on the cylinder head. Is this zx10r the same?
g4, right? just buy water wetter and put a couple tablespoons into the reservoir. Have to buy a flex hose funnel then just pop the plastic crap rivets, three, on the bike's right, on the plastic next to the fork to get to the cap.

Then make sure the water level is right. I always go past the line but you make that decision. I go past the line cause I hate filling the water all the time. lol

My thinking is that if water wetter doesn't get things cool the water pump is thermostate is dorked. So I wouldn't change the coolant until I knew the pump etc was working. Or you'll be doing it twice. I know how to avoid things, sometimes.

Last edited by scout; 11-08-2015 at 12:21 PM.
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post #17 of 22 Old 11-08-2015, 01:35 PM
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g4, right? just buy water wetter and put a couple tablespoons into the reservoir. Have to buy a flex hose funnel then just pop the plastic crap rivets, three, on the bike's right, on the plastic next to the fork to get to the cap.
A couple of teaspoons of Water Wetter won't do anything. Especially in the reservoir. That stuff is made to replace all of the coolant in the motor. You mix Water Wetter with distilled water and replace all of the coolant with it. And then you add a tiny bit of anti-freeze. But putting it in the reservoir, after the cooling system has equalized, won't get back into the engine. That's not the way it works.
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post #18 of 22 Old 11-08-2015, 01:47 PM
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A couple of teaspoons of Water Wetter won't do anything. Especially in the reservoir. That stuff is made to replace all of the coolant in the motor. You mix Water Wetter with distilled water and replace all of the coolant with it. And then you add a tiny bit of anti-freeze. But putting it in the reservoir, after the cooling system has equalized, won't get back into the engine. That's not the way it works.
I see your point. I do get 4-5 degrees cooler with a little wetter. idk, placebo observation maybe. lol
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post #19 of 22 Old 11-14-2015, 07:48 AM
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have the same soap opera with my gen4 after a accident.

If you let it idle looks perfect, when you start hamering the bike if starts doing all the strange stuff.

going to change the head gasket.

was tempted to use the thinner one, but dont know anyone that has done it with not moving the cams.
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post #20 of 22 Old 11-23-2015, 02:01 PM
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Replaced the head gasket...no more bubling now but reservoir is getting some coolant still from radiator.

I took out the thermostat and runs very cool like 78C when running, when it stops gets a bit hot.

Skydork how do I check the block???

I will get parts sonn and see.....
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