1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

What temp does the nikki "semi-auto" choke open?

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Old Jul 16, 2012 | 05:12 AM
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jeremyferguson4444's Avatar
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What temp does the nikki "semi-auto" choke open?

I searched here and looked in the FSM, didn't see the answer. The choke **** always pulls itself all the way in at 1/4 on the temp gauge....anybody know what temperature that spot on the gauge is equal to?

Thanks,
jeremy
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Old Jul 16, 2012 | 06:56 AM
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From: Australia
60 degrees celcius, so 140 farenheit
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Old Jul 16, 2012 | 09:14 AM
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Controlled by the specified opening temp on the water temperature switch at the rear of the water pump housing.
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Old Jul 16, 2012 | 11:14 PM
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When I tested mine (back when I had a Nikki) it was 129.8 degrees on a 64 degree day. If i remember correctly (been some time now) but searched and found 2 responses on older rx7 forums, one was 115 degrees engine temp., the other maxed out 155 degrees engine temp. I was told by an rx7 tech from mazda 110-160 to fully close the choke is normal as long as the engine is in proper operating condition.
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Old Jul 17, 2012 | 12:00 AM
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Awesome guys, thanks!
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