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post #1 of 16 (permalink) Old Jan 8th, 2006, 6:21 pm Thread Starter
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operating temp question

I'm new to K-bikes. I just started riding a 2003 K1200RS. Where should I expect the normal operating temperature to be on the gauge? Or does it fluctuate greatly depending on conditions? That does not seem likely being that it is liquid cooled. I have noticed that my gauge is reading just above the first line. Sorry, my bike came with no manuals. Thanks.

Jamie
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post #2 of 16 (permalink) Old Jan 8th, 2006, 6:29 pm
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temp

it still fluctuates depending on weather and driving conditions. my bike runs in center mark above 50mph but rises close to red line at lights. of course, fans come on and everything is good. i was like u, thinking liquid cooling would iron out fluctuations, but that isnt the case. dont worry if u get close to red in traffic and at lights, just make sure fans kick in and cool things down. i think a true check for what's normal for your bike is to run down road at steady 70mph, see where guage settles. this should be normal operating temp.
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post #3 of 16 (permalink) Old Jan 8th, 2006, 6:40 pm
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30K1200 RS operating temp... weather dependent

I too have an 03K12RS. I purchased in Feb. of '03 and road it daily (weather permitting) up here in WI. My assessment is that depending on coolant in system, temperature basically fluctuated from very cold startup (needle pegged to almost off condition). after warmup would generally sit near first mark actually just above it. In hot temperature, never above middle when moving but up to first mark above middle when stopped (granted, no 115 temps here). Just my .02

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post #4 of 16 (permalink) Old Jan 8th, 2006, 7:06 pm
 
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Jamie,
I would recommend ordering a set of manuals. They are available from your local dealer, or online. If this is your first BMW, a visit to your dealer for a service check and orientation to the bike is in order.

Operating temperature will swing quite a bit, from relatively low on the gauge to the red line when the fans should kick in.

Welcome to the forum and your new K!
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post #5 of 16 (permalink) Old Jan 9th, 2006, 3:38 pm
 
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you're fine

Quote:
Originally Posted by GJBushman
I'm new to K-bikes. I just started riding a 2003 K1200RS. Where should I expect the normal operating temperature to be on the gauge? Or does it fluctuate greatly depending on conditions? That does not seem likely being that it is liquid cooled. I have noticed that my gauge is reading just above the first line. Sorry, my bike came with no manuals. Thanks.
Bushman-

The temp gauge will go all the way up into the red. At this point the fans should kick in and cool things off. Don't worry, this is typical running conditions. Just wait until the summer months when the outside temps start increasing. I can understand your worries, I think everyone was a little hestitant in the beginning.

ONON-
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post #6 of 16 (permalink) Old Jan 9th, 2006, 8:35 pm Thread Starter
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not new to BMW

Quote:
Originally Posted by Spinner
Jamie,
I would recommend ordering a set of manuals. They are available from your local dealer, or online. If this is your first BMW, a visit to your dealer for a service check and orientation to the bike is in order.

Operating temperature will swing quite a bit, from relatively low on the gauge to the red line when the fans should kick in.

Welcome to the forum and your new K!
Yes, I do need to get some manuals. I've been looking at them on ebay. I'm not new to BMW but new to riding a K-bike on a daily basis. My other commute bikes have all been oilheads. I was hoping a liquid cooled bike would calm my fears of getting stuck in traffic. I'll keep an ear out for that fan. Thanks to all who responded.

Jamie
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post #7 of 16 (permalink) Old Jan 9th, 2006, 9:49 pm
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Quote:
Originally Posted by GJBushman
Yes, I do need to get some manuals. I've been looking at them on ebay. I'm not new to BMW but new to riding a K-bike on a daily basis. My other commute bikes have all been oilheads. I was hoping a liquid cooled bike would calm my fears of getting stuck in traffic. I'll keep an ear out for that fan. Thanks to all who responded.
Not trying to disuade you from the K, but the oil heads used by the CHP here in California have an additional oil cooler with fans installed (they tend to let the bikes idle a lot at times). You'll have to dig for parts in the "Authority" bike section, but it might be worth a shot that way, too.



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post #8 of 16 (permalink) Old Mar 11th, 2006, 7:49 pm
 
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Hi guys - first post!
Got my '04 K12RS today (woohoo) and noticed temp near readline in town. I checked the level and its right at "min" mark.

Can/should I top off with water, distilled water, or wait till I can find specified mix of antifreeze/coolant?

tks, J
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post #9 of 16 (permalink) Old Mar 11th, 2006, 9:56 pm
 
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Quote:
Originally Posted by J-Didi

Can/should I top off with water, distilled water, or wait till I can find specified mix of antifreeze/coolant?

tks, J
Proper mix of anti-freeze and distilled water is best, but if you're only adding a few ounces, distilled water alone is probably OK.

My '98 had some issues with bubbling out of the reservoir during really hot weather (like at the Lima rally last year.) I seem to have gotten that under control by replacing the radiator cap. I'm not sure if that's an issue with the newer bikes.

Even in cold weather, if I get into heavy traffic, my temp gauge goes up. As long as the fans kick on when it gets close to the red, you're OK. Even if you're stopped, the bike should not overheat.

-hank
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post #10 of 16 (permalink) Old Mar 11th, 2006, 10:53 pm
 
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Thank you sir.
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