Supersport temperature profile - Ducati Supersport 939 Forum
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post #1 of 19 (permalink) Old 09-07-2019, 04:31 PM Thread Starter
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Supersport temperature profile

I have heard a few posts around here about the heat coming off the engine and I agree it's more than some other bikes I've owned. The heat on the back of my leg bothered me enough to see exactly what the different temperatures looked like. So here it is all in Celsius:
Ambient temperature was about 20 degrees, bike was allowed to run up to temperature and maintained between 100-103 degrees (I have the full Akrapovic system)
Rear cylinder - 130-133
Rear header - 230-250
LH pipe at rear heat shield - 76
RH pipe at rear heat shield - 77
Rear header on heat shield - 140 (I also have a layer of wrap in this location)
Clutch case - 66
Timing cover - 65
A also included some FLIR images I did at the same time. Temperatures above were taken with a more accurate laser unit.
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post #2 of 19 (permalink) Old 09-07-2019, 04:33 PM
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It's italian. It's meant to be hot.
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2018 Ducati Supersport
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post #3 of 19 (permalink) Old 09-07-2019, 04:40 PM Thread Starter
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Now it all makes sense. Thanks
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post #4 of 19 (permalink) Old 09-07-2019, 05:49 PM
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thats really cool! did you start taking images before it warmed up? it seems like the coolant lines are not that warm until you zoom on them.
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post #5 of 19 (permalink) Old 09-07-2019, 06:19 PM Thread Starter
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Quote:
Originally Posted by skywurz View Post
thats really cool! did you start taking images before it warmed up? it seems like the coolant lines are not that warm until you zoom on them.
The bike was fully warmed. The problem with FLIR is that the colors are always recalibrated for the field of view it currently is in, so it can be deceiving. That's why I used a better infrared laser to get the posted readings. I did the coolant system as well in the same way. Coolant into the rad was 98.1 and out was 69.1. FLIR is good to give a bit of an overall scan.
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post #6 of 19 (permalink) Old 09-08-2019, 07:43 PM
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I wonder what the temperature would be if the rear header was ceramic coated.

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post #7 of 19 (permalink) Old 09-10-2019, 06:39 PM
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Jimmymac: How much of the pipe did you wrap, just the rear pipe under the heat shield. Are you happy with the results
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post #8 of 19 (permalink) Old 09-11-2019, 10:36 AM
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I wonder how a non-Akra would show up. That exhaust was HOT HOT HOT until I swapped it out
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post #9 of 19 (permalink) Old 09-11-2019, 10:57 AM
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Garage
heat

Be glad that you have a Supersport. The V4 is comin much hotter than the Supersport. Thats normal for a Ducati.
Last year @ WDW I ride my SSS with shorts during the traditional Ducati Corso along the coast. Believe me, the bike was that much hot that i was sitting on it like having the trousers full. If you ride you don´t feel it. But when you keep standing over and over you feel it much more as you want.

Trackdays: may 13th Misano DRE, Sep. 23/24, Most, Czech Republic, Racetrack days of Ducati Superbike Forum.
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post #10 of 19 (permalink) Old 09-11-2019, 12:30 PM
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I am guessing the heat issue is related to the cat? I suppose the catalytic converter couldn't be moved further out where the mufflers are and away from the rider? (Meaning a traditional muffler where it's in the back of the bike next to the swingarm.)

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