Normal operating temp (oil)
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Road Warrior
Joined: Oct 2009
Posts: 1,346
Likes: 3
From: Dallas, Texas
Normal operating temp (oil)
Just curiuous, checked my engine oil temp yesterday after a 35 minute ride on the highway at 70-75 mph. Took a while but it topped out at about 198-199 degrees - not quite 200. Used a meat thermometer in the reservior.
Would this be an accurate representation of engine operating temp AND what is normal operating temp on these things anyway?
Would this be an accurate representation of engine operating temp AND what is normal operating temp on these things anyway?
Road Captain
Joined: Apr 2011
Posts: 551
Likes: 17
From: japan
Oil and engine temp is greatly influenced by ambient temp and humidity. A cloudy day will also keep the temp down. On most summer days, my Ultra average around 220- 240 degs. Sound about right to me.
Stellar HDF Member
Joined: Aug 2009
Posts: 3,212
Likes: 212
Normal for a Sportster measured in the bag is 180-220F, with 240F being an upper limit before you should worry.
TCs run hotter and normal is 230 or more, so it's not a fair comparison. As was said though, ambient temp makes a huge difference.
TCs run hotter and normal is 230 or more, so it's not a fair comparison. As was said though, ambient temp makes a huge difference.
Last edited by Scuba10jdl; Apr 29, 2013 at 01:05 PM.
Tourer
Joined: Dec 2012
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From: St. Louis, MO
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Road Warrior
Joined: Oct 2007
Posts: 1,599
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From: Colonial Beach, Virginia
When I first got my thermometer dipstick the temp would often be around 210 to 220. After I installed the PCIII it hangs just under 200 and rarely gets to 205. I don't think I'd want it any cooler than that. When cruising on 95 for an hour or so it sits right on 200 when the outside temp is above 90.
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Tourer
Joined: Apr 2013
Posts: 300
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From: Durham nc.
I just got a thermo dipstick dropped off by the ups about a hr ago will put it in Tuesday my 1st upgrade on my 883 iron and only 72.00' shsss a bit pricey IMO also ordered side shots,for my 2nd upgrade
Cruiser
Joined: Feb 2013
Posts: 130
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From: Kansas City
Sounds about right on the temps your running. I am going to order a thermometer for my 09 Sporty but can't make up my mind if I want the anolog or digital. I am leaning towards the analog right now. They are pricey but what isn't on a Harley.