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Offline Dannyboy1949

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Thermometer Problem Solved
« on: May 14, 2019, 08:01:28 PM »
Decided not to waste time taking the bike in to address the air temp thermometer under warranty, as I think it would be a waste of time.

So...I bought an inexpensive thermometer from Amazon. This has a remote probe and is self powered with a couple of button batteries. Installed with 2-sided tape I could (now) install one in about 5-10 minutes. The probe is zip tied inside the beak intake.

Not so apparent in the photo...this actually looks like something the factory installed. AND, seems to be spot on for accuracy.


I used to do self deprecating humor, but I wasn't very good at it.

Offline Keener

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Re: Thermometer Problem Solved
« Reply #1 on: May 15, 2019, 01:41:37 AM »
nice job........so how does it compare to stock temp indicated .

Offline Dannyboy1949

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Re: Thermometer Problem Solved
« Reply #2 on: May 15, 2019, 04:34:17 AM »
I already knew the stock unit reads about 5 degrees F low at say 60, but then as much as 8 degrees low as the air temps increase...so the error is not constant, but rather variable. This aftermarket unit seems to be within a degree or so up and down the scale.
I used to do self deprecating humor, but I wasn't very good at it.

Offline TYKE

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Re: Thermometer Problem Solved
« Reply #3 on: May 15, 2019, 09:04:14 AM »
 :759:   
Be wary of an old man in a world where men die young

Roger (Rog)

Offline TowerMan

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Re: Thermometer Problem Solved
« Reply #4 on: May 15, 2019, 12:01:58 PM »
With my engineering technical hat on, that has now raised another thought / possible problem  :notsure:

As the same sensor is used in the airbox to measure the Air Inlet Temperature, an "out of spec temp probe" will give the ECU a wrong reading and may explain why some bikes have fueling issues, especially at low RPM values / on-off throttle problems.

Especially as manufacturers now have to make bikes run so lean to pass manufacturing emission control specs (ie Euro 4 etc)

Therefore, devices like the Boosterplug may possibly alleviate this problem as a high quality more accurate additional air probe is used (plus an internal fiddle factor to make the air temp seem different), which then help the running of some bikes  :027:

Penny for your thoughts  :028:
Richard      :001:
                  Details HERE  :123A:
And the on the V650 forum - www.versys.co.uk

Offline uralrob

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Re: Thermometer Problem Solved
« Reply #5 on: May 15, 2019, 01:43:26 PM »


 Sounds plausible.

 Sensor accuracy isn't a problem on all V1Ks. My 2015 air temperature readouts are accurate +- a degree or so and the fuelling is right on the mark. No snatchiness, no hiccups, no lugging, right down to 1800 - 2000 rpm in 6th. Miracle engine. Might put it in my boat for mackerelling.

 Rob.

Offline Keener

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Re: Thermometer Problem Solved
« Reply #6 on: May 15, 2019, 02:49:34 PM »
*Originally Posted by uralrob [+]

 Sounds plausible.

 Sensor accuracy isn't a problem on all V1Ks. My 2015 air temperature readouts are accurate +- a degree or so and the fuelling is right on the mark. No snatchiness, no hiccups, no lugging, right down to 1800 - 2000 rpm in 6th. Miracle engine. Might put it in my boat for mackerelling.

 Rob.

Have to say ……..same for me , I wish I could help but ……(2015 model as well )

Offline Dannyboy1949

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Re: Thermometer Problem Solved
« Reply #7 on: May 15, 2019, 05:53:34 PM »
NOW...if I could just get the fuel gauge to behave in a linear fashion as it should  :745:
I used to do self deprecating humor, but I wasn't very good at it.

Offline uralrob

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Re: Thermometer Problem Solved
« Reply #8 on: May 15, 2019, 11:00:28 PM »


 Me too, but I've long since given up on hoping for miracles  :015:.

 Rob.

 



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