temp meter question - 2017+ Kawasaki Z650 Forum
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post #1 of 23 (permalink) Old 04-23-2017, 09:57 PM Thread Starter
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temp meter question

hello, bought my first bike, and it is a z650. its great! good times....

this question maybe be super noobish, please forgive, but does the temp gauge on a bike work the same as a car, where it is supposed to stay around the middle?

my temp guage seems to go all the way up, and then drops down by 1 square. it does not stay around the middle like a car does. normal, or problems?
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post #2 of 23 (permalink) Old 04-24-2017, 10:08 AM
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Welcome to the world of Kawasaki Z650's. I am assuming that you are still in "breaking in" mode and riding it slow, and not over-reving it. It may be possible that you are riding it at slower speeds but in a lower gear so consequently higher rpm. Like being stuck in traffic in first gear, not enough cooling air going to the radiator. That would keep the temp gauge near the top. Assuming your fan is kicking in and cooling it as needed you should be OK. Most new bikes run hotter than they used to in order to make the emissions boys happy with less fumes and more gas mileage. I don't think you have anything to worrry about, but if it keeps staying in the upper end after break in, let your dealer know, I'll bet it will cool down after the first oil change, and you can use more of the rev range in all the gears.
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post #3 of 23 (permalink) Old 04-24-2017, 04:26 PM
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The Z runs hot. We found this out by checking the maps during the dyno. The bike is set pretty lean from the factory, for emissions sake. It's completely normal to see the bike temp creep up near the top, especially under sustained load. For me, while crossing a certain mountain. As soon as I crest the top, the temp comes back down. This is one of the issues we are going to address with the Bazzaz, until remapping of the ECU becomes available for this bike. At that point, we will probably change the set point for the fan a bit lower to compensate, along with a few other tweaks on the fuel dump. Still waiting to hear from Bazzaz on connector compatibility on the previous model so we can order. As soon as I have it, I will be able to get everyone an actual dyno tuned map for the Z650.
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post #4 of 23 (permalink) Old 04-24-2017, 09:02 PM Thread Starter
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wow thanks so much guys! stayed up rolling around in bed thinking about this til like 330 am...i was dam tired today!

thanks for the reassurance, and love this forum!

cheers!
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post #5 of 23 (permalink) Old 04-25-2017, 06:31 PM
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Quote:
Originally Posted by JACoH View Post
Welcome to the world of Kawasaki Z650's. I am assuming that you are still in "breaking in" mode and riding it slow, and not over-reving it. It may be possible that you are riding it at slower speeds but in a lower gear so consequently higher rpm. Like being stuck in traffic in first gear, not enough cooling air going to the radiator. That would keep the temp gauge near the top. Assuming your fan is kicking in and cooling it as needed you should be OK. Most new bikes run hotter than they used to in order to make the emissions boys happy with less fumes and more gas mileage. I don't think you have anything to worrry about, but if it keeps staying in the upper end after break in, let your dealer know, I'll bet it will cool down after the first oil change, and you can use more of the rev range in all the gears.
Glad that someone mentioned the break in process since this is a vital time for any new product. What happens during and after is what we want to be focused on. As long as whats happening isn't an obvious pressing issue then you're in the clear.
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post #6 of 23 (permalink) Old 04-26-2017, 08:58 PM Thread Starter
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time for another noob question!

i dont think its appropriate to start a new thread just for 1 simple question? if im wrong please let me know.

when you turn the key off, does it sound like a fax machine? what would that be?
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post #7 of 23 (permalink) Old 04-26-2017, 09:58 PM
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It's the fuel pump in the tank. It's normal to hear some of the pressure letoff.

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post #8 of 23 (permalink) Old 04-27-2017, 09:46 PM Thread Starter
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hey again, im such a noob, and none of my friends have a bike, you people are my only contact with people who know what they are talking about.......what does the bazzaz do, i know it has something to do with injecting fuel at certain, set times, or something along those lines...but what does it do for me as a rider on my streets? i dont race, i just drive to work and rip around and such...what difference would i feel on the bike with this device installed, with the corresponding dyno tuned map?
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post #9 of 23 (permalink) Old 04-27-2017, 10:22 PM
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The Bazzaz could increase your fuel mileage, lower running temps, and deliver power in the areas you determine that it's needed. Those of course, are dependant on how much of the other aspect you are willing to give up. If you tune for mileage, you lose some power. If you tune for a cooler bike, you lose mileage and power, because you will be fueling more across the RPM spectrum, which may not be efficient for power. The Bazzaz allows you to adjust the fuel and ignition to meet basic requirements, but only to a certain degree. It does however, run circles around a power commander. The Bazzaz will let you specify fuel economy at XX Range, but deliver power above said range. It's pretty flexible.

Being that the Bazzaz is behind on development and production for the Z650, I am now looking toward Rapid Bike, which does the same thing, but to a higher degree. I will be able to adjust the timing and have finite control to the ignition and fueling well above what Bazzaz or Power Commander can do. It costs a bit more, but I'm impatient, and want it now. If you don't plan on adding exhaust, or changing the air flow on the bike, you don't need to touch a thing. Even if you do buy a better exhaust, you may not need any tuning if it's a quality setup.

I'll have dyno results this Wednesday on how much the Yoshimura changes the air to fuel ratio on our bikes, so keep an eye out. We will know more about how the Z can handle aftermarket exhausts then, and what may be needed.

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post #10 of 23 (permalink) Old 04-30-2017, 04:41 PM
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This is definitely the right thing you're doing and thankfully, we have a wealth of knowledge with @Tremonte on here! Keep shooting the questions, it's best to learn than to not know and experience something bad that'll discourage you
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