Understanding Harley Head Temps-Yes, There are Two

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Clearing the Air & Setting the Record Straight on Different Harley Engine Temp Readouts. What is used by the Harley ECM for Peak Performance & For Holding Power Back
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#harleydavidson #motorcycle #power #performance #bikelife #toohot
➡️ LINK to Written Report on Why & How to Cool Down Your Twin Cam and M8 Engine- www.dkcustomproducts.com/why-h...
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💥 VIDEO on Differences in Harley Temps - • Differences Between Ha...
💥 VIDEO on Dyno Showing Power Loss from just 270 F Engine Temp- • Harley's - The RESULTS...
💥VIDEO on Another Harley Rebuilt From Heat Damage - • Harley Dealership says...
💥VIDEO on The Lie That Will Not Die(About Harley Heat)- • Harley-Davidson Dealer...
💥VIDEO on Target/Optimum Operating Temps for Harleys - • Optimum Harley Temps f...
💥 VIDEO of 10 Low Cost & NO Cost ways to Cool Down Your Harley- • 10 Quick Tech Tips- Ha...
💥 VIDEO Playlist on Why & How to Cool Down Twin Cams & M8's- • Multi-Part Series on W...
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Опубликовано:

10 июл 2024

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Комментарии : 58

@h.wayneb3495 4 месяца назад

Thanks for clarifying and description of operation.

@DKCustomProducts 4 месяца назад

Glad you liked the video! Thanks for commenting! 👍😎👍 MB

@richardschaffling9882 8 месяцев назад

My be they need to go back to the old days

@DKCustomProducts 8 месяцев назад

LOL!!! Thanks for commenting! 👍

@proamt8744 8 месяцев назад

Great vid and clarification of the Otto Cycle and the interrelationship between temps, power, and combustion in a four cycle engine. There is no debate that controlling temps increases power and longevity. This is why even way back in the day they began using ADI on air-cooled aircraft engines (P&W R2800 -Think Hellcats, Corsairs, B26 etc).

@DKCustomProducts 8 месяцев назад

Glad you are liking the videos! Thank you for your input and comment! 😎

@jackklarich7045 8 месяцев назад

It is amazing to me ,one person spews ignorance and people suck it up without doing real research. @ DKCUSTOMS does do real time testing on their own rides, then posts real time numbers, these can not be disputed, tho some one almost always does. Keep up the good work @ D K Customs we are watching and learning the real deal

@DKCustomProducts 8 месяцев назад

Thank you for the support and for commenting! 👍😎👍

@kacowboy 8 месяцев назад

Since I went from Harley to a Indian Pursuit I have no worries about the motor overheating.

@DKCustomProducts 8 месяцев назад

It is important that you ride a bike that makes you happy! I have ridden many different bikes in my life, but none give me the same feeling as my Harley! 😎

@derfskittlers6125 8 месяцев назад

I've heard those Indian Challenger/Pursuit give off alot of heat by the right foot.

@DKCustomProducts 8 месяцев назад

@derfskittlers6125 Indians have the same challenges as the Harley's, there are just not as many out there so you do not hear about it as much! 👍

@kacowboy 8 месяцев назад

14k miles in a year on my Pursuit and only had one minor issue the coolant overflow tank was cracked from the factory. Also no recalls unlike the new Harley CVO@@DKCustomProducts

@kacowboy 8 месяцев назад

The heat on the right leg is only felt on a hot day at a long traffic light. Reason being is no airflow over the front exhaust pipe. Now my 2008 Dyna Lowrider I burnt my knee on the air cleaner through my jeans riding in a Memorial Day parade one year. @@derfskittlers6125

@BossMan302 6 месяцев назад

My sportster doesn’t retard timing until 412 degrees. Before I even put my 1275 kit in it would run at 360-390 when riding normally.

@DKCustomProducts 6 месяцев назад

The called out video is specifically about Twin Cams and M8's as outlined in the video. This video is Not about Sportsters. Sportster have their heat sensor in a totally different location. In the following video we specifically talk about the Sportster Temps - ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-rWOdQOtDv6A.htmlfeature=shared&t=93 As you can see, the optimum operating temp for a Sporty range anywhere between 320 and 375 F.

@BossMan302 6 месяцев назад

@@DKCustomProducts thanks.

@DKCustomProducts 6 месяцев назад

Glad to help!

@westcoast3595 8 месяцев назад

What is interesting is harley using a cylinder head sensor and calling it engine temperature. Then they use math to give a variable for cylinder head temp.

@DKCustomProducts 8 месяцев назад

Yeah, it is confusing, to say the least!

@2trdmustanggtfordf1hdsgsfa80 8 месяцев назад

Sadly, the MoCo does not make this data available without buying a aftermarket scanner

@DKCustomProducts 8 месяцев назад

It would be nice for it to be available on your display wouldn't it? 👍

@2trdmustanggtfordf1hdsgsfa80 8 месяцев назад

@@DKCustomProducts to the contrary, with the M8, they eliminated the ability to see oil pressure data. I guess I’ll just keep my TC. Maybe…just maybe one day, the MoCo will stop treating the consumer as an opponent. However with the decrease of mom and pop shops… they have just become corporate stores…

@DKCustomProducts 8 месяцев назад

Sadly I do not see it getting any better any time soon!

@RobertB56 8 месяцев назад

My 2014 Fatboy has oil cooler, external breather plus love jugs those three additions sorted out my heating issues,my FP3 says i now run consistently under or about 230 degrees

@DKCustomProducts 8 месяцев назад

That is about where your temps should be. Here is a link that you may find useful with information on why and how to cool down your TC - www.dkcustomproducts.com/why-how-to-cool-down-the-twin-cam-engine-part-i-dk-cl-tc-dn-1.htm Thanks for commenting!

@RobertB56 8 месяцев назад

@@DKCustomProducts Cheers for that

@DKCustomProducts 8 месяцев назад

Thank you for commenting! 😎

@craw405 8 месяцев назад

I run the new SE street tuner and via Bluetooth app on my phone i can see quite a few live stats.

@DKCustomProducts 8 месяцев назад

Glad you have a tuner that gives you feed back! Thanks for commenting!

@henrydhamster1093 8 месяцев назад

It makes perfect sense to retard the timing when the CHT gets hot. The higher temperatures will get cylinder temperatures closer to the fuel's flash point and cause detonation. Not really sure that this was meant to help cool the engine as much as to save the engine from damage. I really like the idea that the rear cylinder shuts off at idle when hot, just pumping air. I will never understand why the manufacturer doesn't ensure air flow across the oil cooler and cooling fins with fans on an air cooled bike. Any serious touring rider knows that it's inevitable that you're going to get stuck in crawling traffic on the interstate with no place to pull over or if you do, be stuck somewhere for several hours because otherwise the engine wont have enough air flow to keep the engine from overheating. This is a known problem that the Harley seems to just refuse to address.

@DKCustomProducts 8 месяцев назад

Good add! Thanks for commenting!

@joaomauriciobasiledesouza6204 8 месяцев назад

Hi guys! Recently, people aren’t talking about oil pumps and cam plates anymore as much as back then when the M8 engines were kinda problematic sumping wise. I was trying to find information about what cam chest is better for my 2021 FLFBS, and I’m starting to believe that as the OEM oil pump and cam plate are more prone to withstand bigger crankshaft runout, and there are people saying that the OEM cranks can shift and develop a runout, it would be safer to let it the way it is. What do you guys think about it? Cuz’ I’m feeling like in order to install an S&S or Fueling cam chest kit, only makes sense if you also install an aftermarket Crank with welded pinion etc. So my question is. Is it safe to install and S&S cam chest kit with a stock crank if my runout is ok or it’s prone to shift, developing a bigger runout and cause a major engine failure?

@DKCustomProducts 8 месяцев назад

Unlike the Twin Cams, the M8's do not have a tendency to shift. In fact, it is almost unheard of. Unless going to a large Stage IV upgrade we would not even consider needing to touch the crank. Here are a couple videos you may find useful/interesting- ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-FalawH4HxIQ.html ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-My7BkSnl-fQ.html

@richardrussell500 8 месяцев назад

Off subject... I watched a video yesterday of a torn down 121 VVT. This new engine no longer uses external head breathers. They now vent it from the transmission cover. No more head breathers. Not sure how they route the escaped vapors. Are you aware of this? I would assume that your breather system can be adapted. Back on topic: it would be nice if HD put a head and oil temp gauge on their bikes. Many of us don't use aftermarket tuners. Thanks and another great video :-)

@DKCustomProducts 8 месяцев назад

Thank you for the comment. Glad you are liking the vids. Yeah, HD used to show the oil and engine temps, oil pressure too. As the bikes have gotten hotter they have stopped easily displaying that info. We have a 121 VVT on order, supposed to arrive early next month and we will begin digging into it to see what can and can't be done.

@richardrussell500 8 месяцев назад

@@DKCustomProducts looking forward to your findings and reviews : - )

@DKCustomProducts 8 месяцев назад

Us too. 👍

@scrumthebum2451 8 месяцев назад

I found out the ET on PV was coming from the sensor after I did oil cooler? 25-60 oil & tank lift , & external breather after all that ET was still running above 230 except when it’s under 70 degrees. Then I put a cooling fan on and that does the trick at traffic lights it comes down quick. Live

@DKCustomProducts 8 месяцев назад

Glad you were able to get your Temps down! Thanks for commenting! 😎

@scrumthebum2451 8 месяцев назад

@@DKCustomProducts Did you say the CHT graph is on the PV also ?

@DKCustomProducts 8 месяцев назад

It is either displayed as the CHT or the Head T on the power vision!

@scrumthebum2451 8 месяцев назад

@@DKCustomProducts Ok thanks I’ll see if I can find it. My current display is volts, mpg ,intake temp, mph & rpm

@Heavy69Metal 8 месяцев назад

@@scrumthebum2451 I run ET on my PV I found that HT( Head Temp ) runs about 16° to 22° higher then ET does. That’s on my M8 and I had to 107 and I have the 131 and yeah, pretty much the same readings…

@Heavy69Metal 8 месяцев назад

I have stock oil cooler and fan, PLUS luv jugs mighty mites, 2” lift kit with 1” rear lift on tank. I have @340-360 still according to ET on PV, HT runs @16° to 22° higher then ET… NOW!!! What if I got say digital Dakota head, temp meters and put them on where would the best place be to read the hottest temperature of the bike? I have an M8 would it be on the clutch side take out the spark plugs put the connector on there or the washer ring for the meter to read or would it be better to take the tank off and put them in the center for the front and rear and will they get a better reading off of that for head temperature forward that also be considered engine temperature to?

@DKCustomProducts 8 месяцев назад

340-360 is still far too hot. You don't say which year and model M8 you have, but it may benefit from a better oil cooler, or a second one. See video on that here- ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-M9ta84TmROc.html If you have not done anything to the engine (still all OEM) then you may want to check to make sure you are not sumping. That is really hot for a stock engine that has a tank lift and love jugs. Here is a video on sumping- ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-aavpk4ro8WQ.html Also, some Cooling Deflector Wings will help cool it down. You can see them here- www.dkcustomproducts.com/cooling-deflector-wings-for-touring-trike-models-dk-cdw-trg.htm As well as an EBS. Here is a video of 10 low and no cost things you can do to cool it down- ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-o3T3yA9BKwE.html We have consistently seen the Dakota Digital temp readings be inaccurate. Not sure why, but we have seen enough to know they cannot be trusted. The best temp sensor is the one HD puts in the rear cylinder (on an M8) and that is what is displayed on your PV as the ET. Always feel free to email or call with any questions. Supprot@DKCustomProducts.com 662-252-8828

@markiegagnon 8 месяцев назад

Love the videos but please get better mics....sound qaulity is always horrible

@DKCustomProducts 8 месяцев назад

I am sorry that the sound quality was not better! I am glad that you like the videos. Thanks for commenting!

@markiegagnon 8 месяцев назад

You guys are the best..

@DKCustomProducts 8 месяцев назад

Thank you for your support and for commenting! 😎

@markman7 8 месяцев назад

Thank you. I've learned with the help of this video that my HD motorcycle is a piece of shit that was under engineered and overpriced. I will continue to leave it in the corner of my garage and ride my Honda instead.

@thejerseyj5479 8 месяцев назад

Boo Hoo. You belong on a Honda. 😢

@DKCustomProducts 8 месяцев назад

Not really sure how this video confirmed that for you. Harley's may need aftermarket parts to help them run better, but I love my Harley and choose to ride it daily!

@hoodrat2hunt 8 месяцев назад

I see normal operating temps of 325 (ET) on winter days 30° and below and can reach 340 (ET) on 90° days. I've never felt any drop in power of my bike. I have seen all your guys videos and it does have me concerned. I ride my bike daily and know it very well in this configuration for a year and half with 12k put on in that time. My bike is a 2018 m8 w/ ss475 and I did change the oil pump and have confirmed no sumping, with a fuel moto map. I have an engine oil temp gauge and it always reads between 195-212° which are normal. I do not know which end of the wagon to board on this subject.

@DKCustomProducts 8 месяцев назад

That is much too hot for an ET. That is great on the oil temp...ideal temp for the oil. I would wonder if the heat sensor that is sending the ET temp to the ECM and PV is defective? If that really is the temp (not defective), it is not surprising they you do not feel a drop in power. As you can see in the charts in the following video, the power line is still very smooth and normal, it is just lower than it would be if the temp was not too hot. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-MF0hO-w2hz8.html Your question spurred a thought that we need to do a video on this very subject....one will not necessarily feel the drop, when crossing 270 F. Because it is still a smooth powerband, as shown in the video above. If you are riding for an hour or more and you oil temps are staying below 220 F, the first thing I would check is the OEM heat sensor...actually, before swapping the sensor, I would make sure the wire connections are clean and apply some dielectric grease to see if that changes anything. If you are not riding at least an hour, then you oil temp has not caught up with the Engine Temp, and does not mean much. Always feel free to email or call with any questions. Support@DKCustomProducts.com 662-252-8828

@m.s.8312 8 месяцев назад

@hoodrat2hunt, do you have lowers installed on your bikes engine guard. My 2018 roadglide 107 records engine temps of 30 degrees lower if I remove them. They are just added on, not the kind that water cooled engines have. I have tried this experiment a couple of times . With lowers on temp is around 315. With them off, 280 to 285.

@DKCustomProducts 8 месяцев назад

Taking off the Lowers is one of the first things we tell people to do to help cool down their bike! Here is a link to 10 low to no cost ways to cool down your bike that you may find useful-ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-o3T3yA9BKwE.html Thank you for commenting! 😎