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2022 Raptor 700R
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I don't know what it actually looks like but it opens around 230 F. From the OEM schematics, it looks like a traditionally designed thermostat.

FYI - Cuervo Racing makes a kit to kick the fan on at 200 F and off at 180 F.
 

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2022 Raptor 700R
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6 Posts
230F sounds hot to me. I’d guess it’s around 180 if Cuervo’s kit shuts the fan off at that temp. If the thermostat opened at 230, the fan would run all the time


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No it is definitely 225-230°F

EDIT: I stand corrected.That’s the fan operating temperature parameter
 

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Cuervo's early-on fan thermostat/sensor(inline sensor added into the upper radiator hose) turns the fan on at 200°f vs stock's 225°f
(yes, this is the fan, not the actual thermostat)
All modern f.i engines run lean and hot for emissions.
The 700 doesn't even get full power until it reaches 170° or 180°f
 
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