Harley Davidson 4 Hole Oil Change. 

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Big 👍! Olive oil, Avocado oil, butter and lard. Wasn't expecting this to be the 4th hole!

I have used HD oil exclusively. I put an extra quart in the oil tank of my Sportster. I have had my Sportster for 25 years and 400,000 miles on the original engine and 37 back tires and 17 front ones and 3 belts in 25 years.

Having worked on my bikes since I was 10yrs old this is the first bike I have left the servicing up to the dealership and yes they have a great coffee machine great insight on the fourth hole always great information in these videos Mango

Pretty handy there mate! Han's grandfather downs a teaspoon of olive oil a day when he gets up and lives on a Mediterranean diet .....He's 81 and still works fulltime as a commercial concreter 😃

I made the same switch from using Syn3 for all 3 holes to using HD Heavy Synthetic Gear oil for the primary and transmission….a friend who is also a MC mechanic uses it exclusively, so good enough for me, and so far, happy with it.

I've used Amsoil since 1980 and in every and in my Harley's from 1994 on. The reason I stick with Amsoil is it holds up much better than other oils I've tested when sending oils in for lab tests. And as with all my vehicles I change the oil every 3000 miles some will disagree with this BUT here's my reason for doing oil changes more frequently... oil is cheap engines are not. I believe this is the reason why my 1994 Road King which I still have went 141,000 miles before I decided to rebuild the engine and take it from an 80 cu in to a 95 cu in motor. Also, just a suggestion, you might find it easier to purchase a lab quality plastic pitcher to measure more accurately the amount of oil you want to put into your bike. I find this is a faster way rather than pour a little and look at the bottle marks, pour a little more look at the marks. I just fill to the level I need into the pitcher and then pour that exact amount into the hole, easy peasy lemon sqeezy. Another great informative video.

I was never happy with the gear changes in my M8 Low Rider. Neutral was hard to find, especially when the motor was hot, gear changes were not always smooth, and down shifting during spirited riding was not always that great. All services were done by the dealer during the warranty period and they used Syn3 in all 3 holes. Once the bike was out of warranty I did the 3 hole oil change but decided to use Red Line V-Twin Transmission Oil in the gear box. You can believe it when I say what an improvement to the gear changes, neutral became easy to find and the whole box and dice in the transmission/gear changes became almost buttery smooth - well at least compared to the way it was before.

That's a great workshop hoist you have Aymen, especially having extenders to make it wider.

Thank you uncle Aymen ! Another informative video and I only use non seed oil in my 4th hole !! My mechanic sorts out the rest !! Thank you for the reminder however 😊

You're totally right with what you say regarding a motorcycle being more personal. I've always purged the engine oil by pumping it through to the return tank. I generally get 700mls of the old dirty oil out and pump until the new oil shows. As well as adjusting the clutch when doing the primary oil change. Great content though and love the channel.

I use Amsoil on my bike and it’s the best oil out there,IMO,I’ve heard HD oil is great too but I’m gonna stay with Amsoil,Thanks for the video

Great video mate....good explanation! Always good to know a little about one's bike by doing the basics and also a boost to one's confidence, knowing you've done some work on it yourself. 😎

Thanks for the video! Your a good man for continuing to work in a little heath advise in on your motorcycle content. As far as motorcycle oil I am sure as long as you buy the major brands it all good I have used Harleys oil and Amsoil. Brake fluid service is a important flush also. As far as that 4 hole like oil changes then need serviced on or at a specific time frame, intermittent fasting to me is key 2 meals a day around a 16 hour fast and the most important thing keeping moving! Ride safe!

Love your balanced approach to riding and overall health! Ride on!

Great work mate. Loving the advice in keeping your bike & yourself healthy.

Great vid, doing anything yourself is always good for a mans soul. Was using Penrite V-twin in my Slim works great, scored Harley Syn 3 & the HD gear oil free to go in next change & shot glass Olive oil in 4th hole every morning for this higher mile unit.. 💪🏼

Enjoyed the video. You made me laugh with the comment about seed oil and business men. "What are we going to do with our crap? Feed it to people...and make them pay" Funny but so true!

I use Amsoil on all my vehicles. I do however like to remove all the old oil from that sump engine. The SCAVANGER PUCK found online is brilliant. Remove the oil filter, attach the puck. Run a hose to the new oil and one for the old. Start her up let it fill till it runs clear. Fanny your aunt! I enjoy your videos.

I really use whatever 20-50 synthetic motorcycle oil is available, Lucas, Mobil 1, Amsoil…. So far no problems. I use 75-140 synthetic gear oil in the transmission and primary

Great video as usual - and a most excellent PSA!

Agreed about seed oils....I used to use grapeseed oil or avocado oil....but, 2 1/2 months ago I swtiched to a carnivore diet and use beef and prok fat and butter....since then I have lost 60 lbs and feel great.....and I am 72. Oh, and still riding an evo FXDL.

Made it all the way to #4 expecting it to be the gas tank or something but that was a great switch 😂

I just did a fluid change on my 2016 breakout, used redline in the trans and primary, amd amsoil in the crankcase, noticed a huge difference, rides and shifts a lot smoother, definitely recommend!

I have used Penrite for 35 years on all my cars bikes and have absolutely no complaints, with engines doing over 300 thousand ks

Thanks Aymen! Love the Video’s keep’m coming

Enjoying the health info for ourselves as well. Loving the content & vids!

Great vid Aymen, I was waiting with anticipation for the 4th hole, lol. Fantastic... top advice as always. Real butter & olive oil for me. Not only what goes in, I like to take care of what comes out 💕

In regard to the seed oil industry, you may want to check out the history of Margarine. I was shocked by what I found.

Great video. My bike actually has a fourth hole in that I recently installed an Oil Bud oil cooler that fits up in between the frame on my softail. It has a drain plug. I highly recommend it for lowering oil temp in hot weather and stop and go traffic. Check them out. I like your take on seed oils. In the States it’s amazing how little food is available that doesn’t contain seed oils or high fructose corn syrup. Being recently diagnosed with type two diabetes I have started to eliminate those things from my diet, I feel better and have lost 40 lbs just by watching those two items.

I have good service with Lucas full synthetic and K&N filters with a half quart of Lucas additive in the engine. It tastes great, too!

Harley Syn 3 is good oil. I have done alot of research and Amsoil is by far the best choice. It’s funny too seeing the big Amsoil display right in your face at the parts counter at the Harley shop. Great oil!!

Nice lead-in had me wondering about that fourth hole,great advive

Amsoil or H-D brand oil are the only brands I use. I used to just use Syn3 as you only had to carry 1 extra quart to have extra oil for all three holes. Now the H-D heavy duty gear oil goes in my trans and primary. And YES I definitely notice a difference in the trans with shifting. (2017 Road Glide Special). I have personally found that Amsoil for the regular oil tends to hold up better and last longer than the Syn3. Not near as dark after 3,000 miles. Some people use teflon tape on the threads of the plugs. I find that if you torque it properly you don’t have to worry about it.

Good analogy re oil in you and your bike . Great video thanks

Had a 2019 streetglide with 79,000 mile on it when traded in on 2024 streetglide i used tech 20x50 full synthetic oil. No issues and ran great used 75x140 gear oil in trans. Doing same with new bike.

You got me on this one. I was trying to guess the 4th hole you were talking about. Mouth was not on my list😂. Been using Avocado and EV Olive oil for years at home. That and real butter. There are even brands of off the shelf products at the stores that are using these oils now. More expensive but worth it. Good public service announcement.

My 02 Deuce requires a full purge engine oil change. Dump the tank oil. Remove the return tube. Dump 2 new quarts into the tank. Dead roll the engine 12 turns of the crank and capture the oil from the return tube until the oil is clear. Change the filter. Add .8 quart reconnect the return tube. I use 75W syn transmission oil and I will be using Harley 20-50w primary oil. My diet is tailored to my disabilities. Eat natural foods. I juice spinach, apple, carrot, and pineapple to supercharge my stamina. I'm 11yrs past my expiration date 😂 that the doctors insisted I that would never live to see.😂 Living raw fruits and veggies repairs living cells. If I listened to my doctors and took all pills I refuse to take, I might've been dead already.

I always used to service my bikes, and was going to change the oil on my Dyna Fat Bob every 4K km's (half service), but ended up getting it serviced all round with Synth3, and noticed the difference straight away , the bike just seems to run better, and shifts easier. I tried researching which oil was best for my baby, the synth came out okay, there was another brand that seemed to be the best, but I couldn't get it easily here in Tas, and the way it runs now, I won't bother changing it

Amsoil oil is the best and if you don't believe me. Research it for yourself 👌🏾💪🏾😁

Spot on about the seed oils. Avoid them and all factory processed foods.

Lucas 20w50 full synthetic motorcycle oil in all 3 holes, I use it because of the good reviews from racing teams that say it holds up better than anything else, like you going to try the Lucas transmission oil just to see if its any better but the 20w-50 works fine.

Grew up with butter and grilled meat and fresh vegetables, when I met my wife and we started living together we followed the Mediterranean diet, butter,olive oil, heaps of vegetables and lean meat, been living this diet for 40 years now and when I see my doctor for my annual check up she tells me to keep doing what I’m doing, not over weight,blood pressure is good,no diabetes and don’t often get winter ills. If people researched how Canola Oil is made they would be horrified.

The sealant is called plumber’s tape or pipe seal or thread seal

Leave the oil cap on. If you open the bottom plug you will see the oil drip slowly. There is a vacuum. If the oil flushes out in a quick way you’re breathers in the airfilter are leaking air. Handy test to see if they are worn.

A company makes the Harley oil for Harley Davidson. It really doesn’t matter what brand oil you use if you changing your oil every 3 thousand miles. I use Amsoil for motor oil, Harley gear oil for trans and primary. Amsoil is the best motor oil if you plan on a longer oil change. It provides superior protection and has a high flash point.

I just discovered that seed/veg oil also contributes to fatty liver and margarine is linked to dementia. Nice vid Aymen 👌🏻

Hi Aymen, thinking about getting a road king, coming off VStar 1300. What are your thoughts on the differing motors as far as reliabilty/ease of maintenance? IE the old 80, TC 88, 96 or 103 etc. Enjoying your channel, thanks. Cheers Shane

on mine i open the drain and let it drip for bout an hour, I use something known as a Scavenger, when you take off the oil filter you put on this puck and disconnect the return line, put on a tube then put in 3 quarts of new oil, run the engine until the return flow is clean, then reinstall the return pipe to the oil tank, add oil to the line, take the puck off, i have a oil filter cooler that has a 5 micron screen, no need for a reg oil filter. just clean it, let it dry put back on and your ready to ride. the Scavenger removes all the dirty left over oil from the engine. and the new oil stays cleaner a lot longer.

I use synthetic v-twin 20w50 in the engine primary gear oil in the primary and 85-120w in the transmission, this can fluctuate. Now I'm switching to lard, thanks 😊

I've always used the HD gear and Primary oil,and Syn 20/50..in engine ✌️,,Better shifts better protection..just piece of mind ,no arguments..💯

Good video thanks.

The main thing about engine oil, is. Using the correct weight, the weight that's recommended by the manufacture. The reason why? The weight of the oil is directly correlated to the accuracy of the design and the build quality of the inside of the engine. the weight of the oil directly corresponds to how far apart the internal parts need to be kept away from each other so an engine that uses a lighter weight boil is made to a higher degree of accuracy, both in the polishing and the roundness of the shafts and bearings, etc., and thereby can use a thinner oil, which allows the pieces to be closer together. This is why you don't mess around with the recommended weights of the oil. And on the back end of this other than the weight of the oil use whatever oil you want to use just change it early with the filter.

Two tips to add to this. 1. For those who may not be aware, the derby cover screws are a T27, not a T25. most torx drive kits dont include the 27, so you will need to invest in a good quality one. The 25 fits, but is sloppy in the fit. It will work, but will eventually flog out those screws. 2. Before removing the filter, put the funnel in place and gently punch a small hole in the lowest point, using a long sharp punch or nail (often supplied with the amazon/ ebay funnel kits. This allows the oil in the filter to drain out and makes much less mess.

I am using Syn 3 for the engine, 80W140 for gearbox and primary. Outside any warranty, I would go for fully synthtic oil for the engine (e.g., Amsoil 20W50), and definitely Castrol GTX 75W140 for the gearbox and in the primary.... nuthen else

The 4th hole got me, that is why I watched the video. Yes to the fourth hole I am carnivore beef, bacon, butter, eggs.

Cracking Video uncle Aymen 😜👍😊

I can't believe I didn't see this coming for the fourth hole.

ive used amsoil in both my bikes 20/50 in engine primary oil in primary transmission oil in trans.with amsoil ive seen less and less material on magnets every oil change.i also use k&n oil filters

Been putting 20 50 mineral oil on both my Harleys, never have had any issues, 85 Electra Glide, 04 Dyna Wide Glide.

I have to do my oil changes in the driveway, no garage, but I get cheap plastic table cloths and put them under the bike, no mess ,no fuss

😎👍 Big thumbs up for the channel...

I either use spectro or belray oil and the specific ones made for the 3 holes

Virgin olive oil, lard, butter and Avocado oil for the 4th hole. Amsoil for the Harley.

Hi great vid oils the blood of the engine I use castrol 20 50 synthetic in the engine and primary and same as you in the gearbox. As for the 4th niver use seed oils that's another thing government's told us was good for us and definitely isn't you ride safe stay free

I sure wish I could get that 19 minutes of my life back

I use AMSOIL, great oil!

Mobile 1 is in the engine, Valvoline 70/140 synthetic in the gear box, Harley syn 3 in the primary.

I use mobil1 oil in all three holes no troubles if I go over a little on miles

I only recently changed the oil in my Ultra and i used Penrite MC-4 V Twin Motorcycle Oil.... 20w 50 full synthetic and the engine is so much quieter than before, grabbed the K&N oil filter as i liked the 17mm nut head that is part of the filter..

Amsoil engine, redline heavy shockproof in transmission, redline or Lucas primary oil. 👍

What cam you got in your ride? Sounds pretty radical.

As a lady ,I learn something,my partner,old man,uses four different oil on his Harley Davidson,and yet he served me and I only get the same oil on my two holes,😂😂,Well ladies we are being short change, good video,just a dig in ribs,haha😅❤

Ahh, the PIE HOLE. When you change oil so often on your bike does it really matter guys. I have put near 100K miles on two different Harleys. Always just used good 20-50 weight, brand name synthetic and change it 4500-6000 Miles. 27 Torx, not the 25 on the derby screws! Teflon tape and new oring on the plug.

Engine Oil change - great Funnel Mate , never Seen before - I have a piece of plastic cut out of the side of an oil bottle works.. Here is a Simple Tip but = Drop sump Oil, thread-tape plug and re-fit, then REFILL tank w/oil..... remove oil-filter, using that funnel run/start engine ( no oil-Filter but with funnel ) until oil pumping out runs clear ! Do NOT rev engine, o'wise it shoots out fer metres away, just idle is Good... I do this every time and it has Never run 'clear' but....... so just run engine for approx 1 minute or until approx 1 litre has passed thru engine. Shut-it-down, smear new filter gasket with oil, there is No point attempting to fill filter with New Oil, its mounted sideways so will just fall-out anyways....... Put some oil back in tank, start and run whilst inspecting for Leaks, check dip-stick and add more as required.. Now go for a quick ride ( like 5-10k's ). Allow bike to cool-off ( like overnight ) and re-check dip-stick and add more oil as required. Intent here is to Remove ' old-oil' from engine, that can and will contaminate New Oil just added...... Onya Aussie !

Avocado, olive and coconut oils in our home for about 10 years now!!!

I use aimoil used it for years inshore t they use it in air planes how safe is that

Been using Castrol 20w50 full synthetic V-twin oil in engine and primary, Pennzoil 75-140 synthetic gear lube in trans. I'm open to suggestions on what might be better, not dedicated to this set-up. Watched a lot of vids on oils and opinions are all over the place. Never heard anyone say anything bad about the castrol or Pennzoil so i use them.

Ha, and here I was thinking that #4 was fork oil .... Nuff said for that, eh.

I checked it out Amsoil is the best but I Run Mobil 1 20/50 full synthetic

After many years of researching I find Spectro Platinum is the best oil to use on a Harley...

My Vulcan Voyager uses 10w-40 full synthetic, but as she has almost 100klms on her, I have just changed over to 20w-50 full synth. Im lucky on the Kawasaki, only 2 holes lol

Oil brand doesn't matter 1/10th as much as how often you change it. Any decent oil that meets Harley standards changed often enough is good oil.

I agree 👍

Totally agree 👍🏻 100% carnivore. If it never had a pulse don't eat it ,great video mate

I only put scram 🦅 only

If you want it done right do it yourself. I've found you can't trust anybody for even the most basic jobs. My buddy just paid 18 bucks a quart for syn 3. Amsoil I've seen for 22.50. Iam using lucas for around 10.00 a quart. I used valvoline in my 1200 for 8.50 on sale.

Servicing the bike myself means I know the jobs been done properly. (Spectro Oils)

Beef, butter, bacon and eggs.

So what do you cook chips in then?

AGREED BRO

My bike is my Iron Horse! I do spend more time on it than my Ford Raptor!

EVOO for me Aymen ✊🏽

....and there was me hoping the 4th hole would be the forks 🙄

I use Amsoil in all my engines

Great video! Very interesting that you mentioned vegetable oil. I’ve been researching this over the past few weeks. I’m going to the carnivore diet. Great info can be found in the RU-vid channel called Low Carb Down Under and Dr. Ken Berry’s channel about the proper human diet.

Check out Kevin Baxter from Baxters garage, “all about oils” episode

Dripping lard butter for this black duck🥩🥓

So right 👍🏻🇨🇦

Nice catch.... Thanks.. Jesus Christ of Nazareth Bless you and yours...