What temp are my thermostats supposed to pop? 1985 yamaha v6 spclk (220 hp)

jd fishnboat

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question in the title. I put both of my thermostats in a pot of water and put it on the stove. Both popped exactly at the same time right around 140? F.
 

jd fishnboat

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Re: What temp are my thermostats supposed to pop? 1985 yamaha v6 spclk (220 hp)

Thank you very much!
 

Cheetah 210es

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Re: What temp are my thermostats supposed to pop? 1985 yamaha v6 spclk (220 hp)

I take it US thermostats aren't stamped with temp?
 

jd fishnboat

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Re: What temp are my thermostats supposed to pop? 1985 yamaha v6 spclk (220 hp)

If they are, I didn't notice.
 

Cheetah 210es

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Re: What temp are my thermostats supposed to pop? 1985 yamaha v6 spclk (220 hp)

I haven't noticed either. But would be a lot easier if they did.
518_38_01_thermostat_RM.jpgstat5.jpgThermo 5744l.jpg
 
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