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 Radiator temperature

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meirc




PostSubject: Radiator temperature   Sun Oct 21, 2012 8:59 am

HI
I installed Trail tech vapor with the temperature sensor (replacing the original speedometer).
Trail tech shows radiator fluid temperature of max 107 Celsius after intensive ride (~225F) is it OK?
Do you know where the temperature indicator on the original speedometer enabled (at what temp)?
The trail tech defaults indicate danger temp from 100 Celsius (212F) do I need to change the defaults or I have real problem?

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motokid
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PostSubject: Re: Radiator temperature   Sun Oct 21, 2012 10:17 am

Anti-freeze works the other direction too. It raises the temperature for boiling.

You don't want boiling.

A quick internet search says normal range for internal combustion coolant temps is 195 to 200 F


Make sure you have a good mixture of water and anti-freeze/coolant in your bike.


If you were doing slow trails and tight stuff where there was very limited air-flow through radiator I'd say you're temp was probably about right.

Was your cooling fan on?


I don't know of any way to check coolant temp with stock Yamaha instrument panel.

I do recall one member here posting about hearing the coolant boiling after a ride in high air temps on very slow single-track trails.

I mostly ride on the street so air-flow and cooling issues like this are not much of a problem for me.


_________________
2008 WR250X
Gearing: 13t - 48t
Power Commander 5 / PC-V
Airbox Door Removed - Flapper glued - AIS removed
FmF Q4
Bridgestone Battlax BT-003rs
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meirc




PostSubject: Thanks   Mon Oct 22, 2012 7:52 am

i use this coolant
should i modify the defaults?



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meirc




PostSubject: By the way my fan works at about 212F (100 deg c)   Mon Oct 22, 2012 7:54 am

By the way my fan works at about 212F (100 deg c)
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f1isbest

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PostSubject: Temp Stickers   Mon Oct 22, 2012 9:37 am

I use these temp stickers thanks to Rick Ramsey


http://rickramsey.net/WR250Rmods.htm#tempstickers


Factory Effex temperature stickers in packages of 3 - about $15. Rocky Mountain ATV/MC

Bob
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meirc




PostSubject: Can you tell what is your Max Temp?   Mon Oct 22, 2012 9:44 am

Can you tell what is your max temp?
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pantera1




PostSubject: Re: Radiator temperature   Tue Oct 23, 2012 7:41 pm

meirc wrote:
By the way my fan works at about 212F (100 deg c)

On my FZ1, the fan also comes on at around 212F.
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meirc




PostSubject: Max temp   Wed Oct 24, 2012 9:52 am

Max temp at enduro trails 107deg c (224F)
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pantera1




PostSubject: Re: Radiator temperature   Wed Oct 24, 2012 11:31 am

The boiling point of a 50/50 mix is 227F. Add 15 psi (pressure in a closed cooling system), the boiling point raises to 265F.
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IAmABug




PostSubject: Re: Radiator temperature   Wed Oct 24, 2012 8:19 pm

I also have the Vapor. I get a reading of 92-95C when just doing day to day rides and commutes. When doing slow trails, lots of 2-3 gear, I get 102-106C as a max temp and tend to run about 98-100C as a normal reading. I have seen as high as 109C but that was when my coolant level was low, and the stock temp light came on at this reading.
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