operating temp
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Joined: Oct 2006
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operating temp
What is the normal range for the oil temp in evo's?? I am new to Harleys. I have a 94 fatboy and after a 30 minute ride at mainly 50+mph with outside temp of 85, it only got to 175 degrees. That is too low to burn off any water isn't it? Next question is what can you do if it is low? Different oil? Thanks
Road Warrior
Joined: Jul 2005
Posts: 1,655
Likes: 17
From: The Frozen Tundra
RE: operating temp
A good oil operating temperature range is 200 deg to 240 deg F. Water condensation and acids tend to build up in the oil if the temperature is consistently below 180 deg F, and oil thickness can become marginal at temperatures above 300 deg F.
Unless somebody else on the forum has a solution, I would suggest talking to your dealer for a way to correct this problem as it is wearing your engine components more than they need to be.
Unless somebody else on the forum has a solution, I would suggest talking to your dealer for a way to correct this problem as it is wearing your engine components more than they need to be.
Tourer
Joined: Sep 2006
Posts: 357
Likes: 5
From: Valencia, Spain
RE: operating temp
My 99 FXST (Evo) runs more or less at the same temp frange. Sometimes it reachs 200º F but the usual is to go between 150-180. I don't think it matters in an Evo, and I think it's normal. All we know that all Twin Cams run much hotter than Evos and in a Twin Cam is normal to go in the 200-240º F, but not in an Evo.
Regards,
Javi
Regards,
Javi
Tourer
Joined: Sep 2006
Posts: 357
Likes: 5
From: Valencia, Spain
RE: operating temp
Here you have a link to another forum where the temperature ranges in an Evo are explained:
http://www.californiaharleydavidson....ead.php?p=3329
Regards,
Javi
http://www.californiaharleydavidson....ead.php?p=3329
Regards,
Javi
Elite HDF Member
Joined: Mar 2006
Posts: 3,673
Likes: 606
From:
RE: operating temp
the evaporation of moisture in the oil is done inside of the engine. the engines internals get well above 212 degrees. as the oil passes over and through the hot engine parts the moisture evaporates and is expelled out of the breather. a 1/2 hour ride should get any moisture out of the oil.
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Road Warrior
Joined: Sep 2005
Posts: 1,569
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From: Arizona
RE: operating temp
mine seems to run around 160-180, even when tis 90-100 degrees out. i have a oil cooler but also have a thermostat for the oil cooler. i don't think it hurts anything. id rather it ran at 160 than 230.
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Stellar HDF Member
Joined: May 2005
Posts: 2,137
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From:
RE: operating temp
I'm not sure how accurate some of these gauges are either. You're probably running hotter than your's shows. Beyond that, water doesn't have to boil to evaporate. Throw a pan of it on a 100 degree sidewalk and see how fast it disappears.
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