919 temp guage question - Wrist Twisters
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post #1 of 6 Old 06-15-2010, 11:40 AM Thread Starter
Milites Gregarius
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919 temp guage question

Hi all,

I've only had my 919 for a little over a week. Currently, it has about 120 miles on it.

Where should the temp guage be during normal riding? I never seem to get much past the C mark. Sometimes it'll briefly go up about a quarter of the way. If it does, the guage goes back down to C pretty fast.

Since the coolant is orignal (3 years old now), should it be changed? Do you think that is an issue with the temp sensor?

My thought was since its a naked bike, it doesnt really get that hot. If it moves at all, its quick to drop back down to C. I've yet to have the cooling fan kick on. Mainly ride around town.

Thanks all!

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post #2 of 6 Old 06-15-2010, 11:47 AM
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Sounds pretty normal. Mine never gets much past a needles width over "C" unless it's really hot out or I'm sitting at a stoplight or in traffic. I even changed out the thermostat and it's about the same.

As far as a coolant change, I would change it out if it's 3 yrs old. It's cheap and easy and worth the piece of mind of knowing the coolant is good.

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post #3 of 6 Old 06-15-2010, 11:54 AM
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I was out riding today in 90 degree weather and it only moved from the 'barely above C' notch when I got stuck in slow moving traffic. In town, it will run warmer. If you keep moving, it will hardly ever go past C.

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post #4 of 6 Old 06-15-2010, 02:04 PM Thread Starter
Milites Gregarius
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fantastic! Good to know. I was thinking something was wrong with my bike......glad to know its normal!

I'm learning a lot about the 919...thanks to everyone on this forum!

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post #5 of 6 Old 06-18-2010, 02:50 PM
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with good air flow, the big radiator does it's job really well, sitting in traffic, I'll see about 1/2 way up the gauge, then the fan will kick on and cool it down. Doesn't take long for the bike to cool back down while moving

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post #6 of 6 Old 06-18-2010, 03:24 PM
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I bought a 2 year old 919 with 256 miles on it. The bike looked pristine but something was bogging it down and seemed to be preventing it from coming up to temp, that is, until my riding buddy got on it and blew something out of the pipes. Also there were mouse droppings in the air filter... Just thought I'd mention that because your new bike had a similar background.

Mine runs cool in 90+ degree temps on the highway, but much warmer around town with the fan coming on frequently and the temp gauge at 50%+. I don't know how hot it is where you live but I'd expect the fan to come on in stop and go traffic.

The first time I got on the highway after my buddy "fixed" it, my arms got straightened right out!

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