DOC HARLEY: KEEPING "GOOD" GAS IN YOUR MOTORCYCLE

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Doc Harley from the Service Clinic at Low Country Harley-Davidson to help you with the health of your motorcycle! This week he talks about the importance of using quality gas in your motorcycle.
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Doc Harley is a motorcycle technician at Low Country Harley-Davidson with over thirty years working on motorcycles. Over the years at the dealership he has worked on Harley-Davidson, Buell, and Triumph motorcycles with a few other brands here and there from trade-ins. There are thousands of how-to videos out on youtube and other websites across the world. Doc’s goal is to help solve problems that people run into when using their service manual, share insights only found as a certified Harley® technician, and some of the tips he’s picked up over the years.
Wondering if Doc is real? Find out what’s happening throughout the week: / docharleylchd
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Low Country Harley-Davidson
4707 Dorchester Road
Charleston, SC 29405

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11 июл 2024

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Комментарии : 449

@waynesiminski8268 4 года назад

Always put 91 to 93 in mine, but have been on a few trips where just couldn’t find high test all the time. I keep a couple small bottles of octane booster on my bike all the time. Thanks Doc.

@est.1970 3 года назад

Doc you are the best!! You just answered all my questions. Thank you!

@scottwilloughby3840 4 года назад

Great tip as always and always great to see you

@PurplemonkeyHS 4 года назад

Love these videos, thanks guys!

@davidl6757 3 года назад

Thanks Doc, we’re up here in Northern Ontario. We take 3-4 trips in your country a year. Appreciate the tips!! Maybe a trip in 2021....

@jimeckenrode1271 4 года назад

Doc, another spot on video. I don't own a HD but what you are saying 100% correct.

@parkerent 3 года назад

Always great info, thank you!!

@144Jericho 2 года назад

Thanks for the info Doc!

@sandybroon1962 2 года назад

another well explained tip, thanks 😊

@61espo 4 года назад

Thanks again Doc! Great info!

@liftaholicfitness 2 года назад

Thanks for the info. I'm no where close to being a mechanic, but I wanna get more power out of my 103 dyna fat bob, but thanks to this video I now know not to try racing fuel. Very informative

@fililoboesparza5784 4 года назад

Great video Thanks!! I only put chevron & Premium 91 octane!! 😎👍🏻

@h.d.mech.mortenson2098 4 года назад

Excellent video Doc as usual !

@toads_ride845 2 месяца назад

Great info thanks again Doc!

@1playfair 2 года назад

Very good information. Thanks sir

@jeremymiller7049 3 года назад

Thanks for the tip appreciate it

@smoothsam7 4 года назад

Thank you that's probably why my 2011 Rg cvo jerks so bad at parking lot speed

@cheezehdglen9468 4 года назад

Pumps today are Single Hose. Try to pull up to a pump where you see a vehicle pulling away that also burns Premium Gas. Otherwise, you are likely getting a hose full of regular before the premium starts coming out.

@BusterKitten 4 года назад

anywheres from 1 to 1 1/2 gallons

@Bushgator 4 года назад

Premiums are in their own tank the only one that gets blendid is the mid grade fuel

@JCcanU 4 года назад

a hose is about 2 cups , not going to hurt anything , the pump shuts off , I drain the hose into my tank I paid for it . plus got 2 cups free the last guy paid for . been doing that since they come out with self service .

@Mr1997106 4 года назад

I quit using premium for that very reason. Took the words right from me.

@antoniobrown3219 4 года назад

🤔 Never thought about that...🤯

@Bostonterrier97 4 года назад

The higher octane levels help prevent pre-ignition from occurring which can damage an engine over the long term. This is particularly important when running engines at higher compression ratios. Top Tier Gasoline have additives that help prevent the build of up carbon on the piston heads (carbon deposits: can also cause pre-ignition, due to both slightly reducing the chamber combustion area at TDC and thus increasing the pressure but also because of the higher specific heat capacity than aluminum pistons...this means that that more energy is stored on the piston heads (carbon deposits) than transferred to the combusted gases and expelled through the exhaust valves or transferred to the cooling fins on the piston heads.)

@didierlevy4268 3 года назад

Thanks for the advice. (btw, this Slim is nice...) Hello from France & a 2011 Softail Blackline owner.

@jpfrenette1941 3 года назад

Thanks for that Doc . Like you're videos

@richcanfield1387 4 года назад

What a great message Doc!... I'm also in NJ, and can not find ANY non-Ethanol stations, so many states have it...but not NJ....as far as I know. Thanks Doc....Sure wish we had seen you ride up to that "Filling Station"

@docholliday6285 4 года назад

Check out puregas web site for listing of stations that carry ethanol free gas

@canadianloon6433 Год назад

Great advise as always. Thank you so much

@LowCountryHarleyDavidson Год назад

Thanks for watching….Doc

@darknitethunder 2 года назад

Hey Doc, Great video, just wanting to add a-little more information about Filling up motorcycles, if your riding into a Fueling station and you see the Fuel Truck dumping a load of fuel into the tanks, you might want to going to another station if possible. Because all the settlement in those underground tank are being stir-up (take about 12 hours to settle down), so if you pump your motorcycle full of that, you'll be cleaning it out very soon there afterward (fuel filter, tank, carb(s)., injectors, and all). See ya on the road, ta somewhere. Not sitting beside it going nowhere Fast. 😉

@LowCountryHarleyDavidson 2 года назад

Thanks for sharing such a scary tech tip....Doc

@canadianloon6433 3 года назад

Awesome advise

@johnhoffman3598 4 года назад

Great info Doc

@ut1004bp 2 года назад

Nice back drop and good subject material!

@Otis884 4 года назад

Thanks Doc.

@Chainsaw2373 3 года назад

I am lucky enough to have 91octane Sunoco no alcohol unleaded fuel where I live also 94 and 96 if you want it, (I use the 91) which is also available and they have 110 leaded fuel if you need it for $9.50 a gallon, but on trips I have to burn what I can get. Always been a problem, I went to Mexico City in 1963 on a Panhead and had to rebuild the top end when I got home because there were places that had only 69 octane fuel, it did get me home but there were a lot of other problems, I had to retard the timing to make it run, the problem was there was no lead in the fuel, Harley Davidson has come along way just like everyone else, Love this video!

@MinisterJaiB 3 года назад

Awesome tip about using the same gas station to fill up

@mikeb46 2 года назад

I just started noticing that in WI, the Kwik trips have 91 octane with 100% gasoline, NO ethanol.

@johnbillings4691 4 года назад

Great advise Doc but hard to purchase fuel at the same location when you are traveling cross country. So recommend purchasing fuel from the same reputably gas provider. I also recommend getting a gas card from a top end gas station chain of your choice and use it for your motorcycle only. This way you have a record of the fuel purchase over the years you can refer back to. Just a tip from the road.

@Dyanna07 4 года назад

Thanks again 😊

@joem7572 3 года назад

Depending on where you live, check the marinas out. Most around here (Western WA) sell 91-93 ethanol free because in most cases, gas sits in boats for a while.

@darknitethunder 2 года назад

Hey Joe M. I lived in Morton WA. for a long while, the home of the Logger's Jubilee. Great place to ride to any time.

@darrinleazer6784 11 месяцев назад

Definitely would like to find some of that. And see how much better it runs.

@robertwhite134 4 года назад

I use 91 octane non-ethenol. Never had any issues. Thanks!

@paulbunyun-xi9by 4 года назад

hopefully the gas pump hose doesn't share with the ethanol.any tiny amount of ethanol will ruin it

@jeffscarlett1965 4 года назад

@@paulbunyun-xi9by most pumps use different hoses .

@PeterSmith-or3pq 4 года назад

V power shell. !!

@docholliday6285 4 года назад

Yep. No ethanol for me.

@ssyoumans 3 года назад

All of the non-ethanol gas by me is the Rec 90 or 87. I’d run non-ethanol if I could find it in 91-93 octane. I’m sure the ethanol is destroying the carbs and such on my ‘05 Sportster 1200.

@xc8487 3 года назад

There's a lot of stations around Erie PA with 90 ethanol free. AV gas is also designed for constant rpm at altitude, so going to perform bad at sea level and the lead is not good to breath in or handle when servicing the fuel system.

@dockim7125 3 месяца назад

Oh goodness! What if I have been putting 87 in my 1994 heritage softail nostalgia with fuel cleaner every time? Eek. I don't think I have had any problems but will that hurt my engine long term? Love your channel and your way of speaking! Good teacher!

@LowCountryHarleyDavidson 3 месяца назад

1987 has a CB pretty low compression ratio so if it has worked for you this long👍…..Doc

@SkydiveHawaiiKid Год назад

The octane is an anti-knock rating, it has more to do with the ability of the fuel to resist detonation (pinging) at higher pressures found in high-compression engines such as boosted engines (turbo/super). Aircraft fly at altitudes and can over-boost at lower altitudes. It doesn't provide more "horsepower" or anything like that, you'd get the same amount of chemical energy burning 91 as you would 100 and >100 rated gasoline fuel.

@LowCountryHarleyDavidson Год назад

Thank you for adding your insight…Doc

@SkydiveHawaiiKid Год назад

@@LowCountryHarleyDavidson I'm an airplane mechanic, but I bought a 2014 xl883l not too long ago. Your videos are informative & helpful. Thank you Doc ;)

@davidmacgregor5193 2 года назад

I live in the UK, I only put Shell V-Power fuel in my XL883N. Shell V-Power is 99 RON, I consider it to be the best fuel for my motorcycle, it gives me crisp, responsive performance.

@harleydave2316 4 года назад

Great video!

@jimmyp6443 3 года назад

Lead was used to cushion the valves when they closed ,a by product of adding lead to gas was a higher octane ,aviation fuel is a low lead ,thus having a higher octane ,Doc Harley is correct use what manufacture recommends

@jessecrewssr1868 Год назад

A word to the wise. If you purchase from a single house dispenser, these a good chance the previous customer used regular. It takes a few gallons to blead the dispenser equipment before premium flows.

@jessecrewssr1868 Год назад

Hose, not house....geez

@quantumindicesfuturestrade6873 Год назад

In italy we have a very hard time finding 91 93. I put 87 E5 in as it was the only choice. Man a few hours later my 08 1200 started to have a fit. Strange stuttering vibration. I nursed it home. Now out looking for some unleaded and additive to see if I can clear that up

@LowCountryHarleyDavidson Год назад

I have very little knowledge of fuel where you ride. I am curious. The 1200 has your country origin specs? An imported US spec bike would have a problem and need to be returned….Doc

@davidmatthews3093 2 месяца назад

Was this meant to be a comedy? Thank you , I enjoyed laughing.

@LowCountryHarleyDavidson 2 месяца назад

I feel honored you watched and left a post👍…..Doc

@rugershooter5268 3 года назад

I accidently put 87 in my 883, put in a bunch of oct boost, it ran as long as I was giving it gas, at a stop I had to keep revving the engine to keep it running, it took twice getting it down to half tank and filling with 93 to get it running normal again. Did it again in my Dyna, no problems and MPG jumped from 46 to 50. I still use the 93 even though 4mpg less, I think its due to the 93 being older cause most cars use 87.......I don't know of any calling for 89

@gregburgess6884 4 года назад

Thx doc 👍

@damienwhite3208 2 года назад

My dyno superglider has had full service less then 500 ks ago..big ride through Adelaide hills month go.strat it up once week keep battery charged.it's running low on fuel went for splat around the block it throughout a backfire and started playing up I am using high octane fuel

@markanderson5077 4 года назад

A few years ago, I had a '92 Evo built up by Mid-Ohio HD. It had Branch heads, SE pushrods, SE manifold, Mikuni 45, SE air cleaner, EV-57 cam, stock displacement, I forget what the compression ration was, 9.5:1 I think.. Tuned, it was 80/80 Hp & torque. It would go from 60-90mph in a blink. The mechanic asked me about gas. I told him I always use high-test. He said you are blowing gas out the pipe. Only use 93 if your engine is over 10:1 compression. Now I'm riding a '16 Ultra Limited. I only see three grades of gas in FL: 87, 89 & 92. I gas at Shell and alternate 89 between and 92 octane so my mix is close to 91.

@3percentmick705 4 года назад

Same bike I have. Mines a 19 wicked red denim though.

@morrisdennis 2 года назад

Nice ride doc

@LowCountryHarleyDavidson 2 года назад

Thanks....Doc

@randysmith1699 Год назад

You talked about everything gas. I’ve one more question. Is 100% real gas better than 10% ethanol in a Harley? I’ve heard real gas has a longer shelf life and does not deteriorate soft metal and rubber hoses. Go ahead and set me straight on the issue. Certainly enjoy your channel, thank you…..

@LowCountryHarleyDavidson Год назад

Your facts are all true. Here is the side note. All current models and Twin Cams are tuned by the factory for the 10% ethanol. So for the best running you would want the fuel and ignition retuned…Doc

@vincentcajano6760 3 года назад

Hi Doc I have a 2016 street glide with the Stage IV 110 Tire Shredder Kit. 10.5 pistons. Is it a good idea to use Octane Booster. I use the same station all the time the pump says 93. I heard some detonation and I added Octane Booster. I started with 2 oz. then went to 4 oz to a tank and it ran fine. My bike was tuned with the HD Race Tuner by an excellent Harley Tech and Dealer. Like your opinion

@williammawk1720 3 года назад

My 98 S H. Classic's manual says use a min of 87 oct unleaded so I usually run 91 oct non-ethenol

@tommyt2854 4 года назад

Doc, I concur. I've religiously ran premium in my '94 flhr (55,000 miles worth). But, I've always ran Marvel Mystery Oil too. I'm a firm believer in MMO for air cooled engines.

@WilliamBates-xk6mt 4 года назад

Marvel mo really?

@tommyt2854 4 года назад

@Just J my condolences bud, the pain never goes away, I know. For the MMO, I add a shotglass every fillup. Every fillup. Doesn't do any good to go every other tank. Lucas is good stuff too, I just grew up on the mmo. My grandfather bought it by the case. Honestly, there's no way to prove or disprove it works. It may very well be snake oil. But at one time, if I remember right, it was endorsed by the FAA. My gf used it in ALL his engines, I just run it in my air cooled stuff.

@docholliday6285 4 года назад

MMO = Gimmick

@027MC7 4 года назад

Love my MarvelMO. Been using it all my life.

@morrisdennis 2 года назад

I use lucas fuel cleaner every few months

@neilpavlicek4666 2 года назад

My dad flys and we keep a bulk tank of AV gas on the farm so when the plane is hear we can fill it . ( Bulk fuel is cheaper ). So i do run some 100 low lead AV gas in my Harley’s . And all I can say is they sure seem to run A LOT better with it . I try not to run straight AV gas though . I get premium at the gas stations and when I’m at home I top them off with 100 low lead AV gas . It burns very clean and it does not go bad when in storage over winter .

@LowCountryHarleyDavidson 2 года назад

Thanks for sharing your story and giving us food for out table through your family farm...Doc

@Jeff82556 Год назад

thumbs up for having a plane that can hear!

@Justjack613 3 года назад

Wow. Thanks. I don't have an owners manual. I didn't know. I have a 2000 Heritage Classic. I was wondering what more I can do to get more power. Higher octane is a great idea.

@williammawk1720 3 года назад

Have some head work done on your engine buy someone who knows what they're doing.

@Hero_of_Legend Год назад

I will say that aside from the advice you covered, it's also highly recommended to use E-0 if that's an option. Modern Harleys are designed to safely operate on up to E-10, but straight gas is it's best friend, and worth opening your wallet a little more for. Also, it's a good idea to add a small amount of stabilizer in the tank when winterizing the bike. It'll pay off when the bike runs the same when you pull it back out of storage. Plus, if you use something like Seafoam, not only are you stabilizing the fuel, but also cleaning the entire system, to keep it running like the day it rolled off the truck at the dealership. Costs a whole lot less than a repair bill.

@darrinleazer6784 11 месяцев назад

I actually do that very thing. I bought a bottle of Royal Purple and put it in my bike. Because it is a 2015 Harley Fatboy, to not only keep the fuel injectors clean. Because I bought the bike used, and don't know how much the previous owner took care of using their choice of gas. I will say this' I can tell a difference in the way it rides, when I did put the additive in it, which actually made it run really good. But'VI was also told I don't need to put it in at every time I feel it up.

@Hero_of_Legend 11 месяцев назад

@@darrinleazer6784 Nah. Not necessary for every fuel up. The general rule of thumb is 1 treatment per oil change, or while winterizing.

@darrinleazer6784 11 месяцев назад

@@Hero_of_Legend are you talking about the non ethanol or 93 octane

@Hero_of_Legend 11 месяцев назад

@@darrinleazer6784 I was talking about gas treatment. As for general fuel-ups, I would recommend you ONLY ever use premium gas. Harleys are precision engineered, so the higher octane, the better. Use non-ethanol if possible ( never seen E-0 that was less than 93 octane ), but NEVER more than E-10, and never less than 89 octane in an emergency pinch. 91 to 93 if AT ALL possible.

@darrinleazer6784 11 месяцев назад

@@Hero_of_Legend Thank you for explaining that to me. I wasn't sure what exactly you meant, I did find out that we have actually non ethanol gas that's 93 here. It's only at a certain little country store from where I actually live. So' I definitely will be getting my gas there for now on.

2 месяца назад

Riding near the border sw us, take octane booster. Only get gas at major staitions. Carry spare gas or be diligent.

@caspar0777 4 года назад

Good information! In my old shovelhead I add a little dose of additive every 2 stops. Here in France we have mostly 95 and 98 octane. 98 is the best!

@donald2106 3 года назад

The owners manual in the shop manual for my 2000 road king 88 in.³ says 87 or higher. It’s a lower compression engine and that’s good on 87 octane. But it runs higher octane as well. You cannot get 91 octane in every gas station, like North Dakota.

@LowCountryHarleyDavidson 3 года назад

Thanks for sharing

@patrickmoore1617 8 месяцев назад

I love that little aft cargo rack you have, where can I get one

@LowCountryHarleyDavidson 8 месяцев назад

It is an HD part sold for Twin Cam Softtail…Doc

@stevesyncox9893 2 года назад

I would love to come visit you Doc! Get some good bbq.

@donald2106 3 года назад

My owners manual for my 2000 road king says 87 octane or higher. Does fine on 87.

@danjones9007 4 года назад

I use 87 Regular 10 Percent Ethanol. ‘03, carbureted, Stone stock 88CID, 84,000 miles. So far so good.

@kevincollins9731 4 года назад

Will non ethanol regular be ok with octane booster? I'm asking because of the difference in mileage 37 vs 46 mpg. Im not talking about getting crazy with the octane booster, enough to get to the 91 - 93 range

@reddog907 4 года назад

94 here in Calgary,

@EdFord 3 года назад

Down here in panama we have 91 and 95. Which one would you recommend for a fatbot '19? I'm always using 95 because it thought it was better for the engine.

@davidv.780 21 день назад

Hi Doc , I watch and like all your fantastic videos I have a question I'm hoping you could answer , I use ethanol-free fuel in my bikes I have a 2014 Street Bob and a 2014 FLS we don't ride them that often that's why I use the ethanol free fuel can I use fuel octane booster to bump it up to 91 octane , appreciate a response back when you have time thanks Doc have a wonderful day , David.

@LowCountryHarleyDavidson 21 день назад

First it is always your choice. You already chose wisely with the non-ethanol for a bike that sits longer than 2 weeks. HD does not recommend any additive. If you choose, use sparingly. Remember instructions are for cars with big fuel tanks…..Doc

@laurenceegerton890 4 года назад

Doc, I try to use non-ethanol....mostly top of the line Shell. My '10 V-rod VRSCAW is stock. Runs best on no alcohol.

@gkinner 2 года назад

the next day after using a non-shell ethanol blended gas, my quick coupler o-ring sprung a leak.

@arthurleino 4 года назад

Good Video! My 83 Shovelhead does good on hi test.

@JaimeGonzalez-ll3sj 3 года назад

Hi Doc. Jaime Here. I have a problem with my bike. A 2013 H.D. Heritage Softale Classic. I took it out for a ride after storing it for the winter. I started it up and let it warm up. I then went out for a ride with a full tank. After riding for ONLY 30 miles. I came back home and was able to observe that my gas gauge meter was displaying E for empty. In addition the the dash board was displaying Low Range. I looked into the tank and was able to observe that I still had 3/4 of a tank. After speaking with numerous friends, looking through RU-vid calling several H.D. Dealerships. They all stated that it may be my (SENDING UNIT GAS TANK FUEL LEVEL FLOAT SENSOR). The H.D. Dealership suggested that I bring in the bike for a diagnostic test. I wanted to know what your thoughts were on my issue. In addition, how does H.D. diagnose my issue. Do they connect my bike to a computer. Thanks

@yoshshmenge294 2 года назад

I’ve never had a problem with small engines running 91 and using stabilizer when storing them for the season.

@LowCountryHarleyDavidson 2 года назад

Stabilizer is the key....Doc

@397coney7 4 года назад

I get my gas from Taco Bell

@curtgruber1919 4 года назад

And White Castle

@TRUMP-2024-MAGA 4 года назад

Bush beans

@mrincredible5492 3 года назад

Hey me too 😆

@scothays4347 3 года назад

That hilarious!

@brennabrady5586 3 года назад

@Thomas Campbell 💍

@pata8167 3 года назад

I'm just checking here in Australia we have 91oct 91ct with 10% ethol 95 oct and 98 oct so I normally run 95 oct in may bikes and cars so is 98oct to high to run in a 2016 street glide

@srs4310 9 месяцев назад

I put a shot of atf in my bikes for winter storage in mn, even tho they are in a heated garage..

@LowCountryHarleyDavidson 9 месяцев назад

Interesting Tech Tip….Doc

@srs4310 9 месяцев назад

@@LowCountryHarleyDavidson thks Ps..I'm working on a 01 sporty..883. I managed to find a add on tachometer kit from hd that someone had and never used.. It looks a bit crazy to do..any advice?

@RavenGus316 3 месяца назад

Hi, another great video , thanks. Up here we have 1 gas station that has 94 octane and always go to that one , is that ok or should I drop to 91-93?

@LowCountryHarleyDavidson 3 месяца назад

It’s always Your Choice. It’s OK…..Doc

@rickanna8662 3 года назад

You should have mentioned to buy non-ethanol fuel if possible, my Harley runs much better without it. This is especially important for someone who rides only occasionally. Ethanol fuel will start to break down in a matter of weeks creating major problems in the machine trying to burn it.

@darrinleazer6784 11 месяцев назад

I actually heard the exact same thing. I try to put 90 non ethanol in it all the time. But' I also do do a lot of riding to. So' I was also told that it's ok to, as long as I ride it more when I do, because of the way the 93 can do

@brianteague8550 4 года назад

could you do a follow up with what the ethanol based fuel does while sitting around in the tanks during down time. Here in Arkansas I try to find the highest octane nonethanol fuel available. I've heard bad stories about what ethanol fuel does to engines like boats and lawn mowers while sitting through winter. Thanks for your posts!!

@Logan-or5qw 4 года назад

Those stories are true! I had an older Murray riding mower & put ethanol gas in it. It would spit, sputter & backfire & not want to run or start to where eventually, I had to buy a brand new mower. From that day forward I put nothing but pure gas in it & not once have I had those running & starting problems. That was 18 yrs. ago. So it does ruin motors over time. I personally will avoid using it if possible.

@tomjones4093 4 года назад

Hey Doc... any way you could do a video on how to change the springs on the progressive 944 shocks? I have tried like crazy to find something that will help but there is nothing out there. Thanks.

@scottgorman7166 4 года назад

Call progressive in Orange County, Ca they will help you out.

@danielbouchie6397 3 года назад

What about ethanol free fuel. It is 90 octane here at least. Should I run that instead of premium in new 114ci m8 and also for a 88ci twin cam? Also what fuel is a 2002 88ci cam supposed to run?

@fathernightroadgaming3435 3 года назад

I just got to South Carolina. You the mechanic at the low country dealership here?

@Cpcsof1 3 года назад

I checked my fsm for my 93 fxrs and it recommends 87 or better octane. I recently removed the float bowl of my S&S Super E and it was clean as can be after 27yrs on the bike. I'm sure it would be good to use premium but it doesn't seem necessary.

@chrisgil4594 3 года назад

I have a 97 dyna with Carb , did you use ethanol free gas?

@Cpcsof1 3 года назад

@@chrisgil4594 Sometimes, but not on a regular basis.

@chrisgil4594 3 года назад

@@Cpcsof1 ok thanks, then I should be good , i use 89 octane ethanol free gas

@gregl.9192 3 года назад

All I have here in KY is Rec 90 non ethanol. Is there that big of a difference between 90 and 91??

@ckhanna71 4 года назад

I always run (88-90) midgrade but maybe I should start using (91-94) premium. Thanks for the info! 2017 Ultra Limited 107 M8

@wolco003 4 года назад

Higher the Octane, Cooler the Burn...Same with Old VW's...91+ is an absolute must!

@mahlercdo3 4 года назад

All i run is non ethanol premium 91 93 in my 2017 M8 never had a problem

@slothysi 4 года назад

I have a 2012 Dyna Fat Bob with a stage 3 kit and i live in Australia, where the premium fuel is 98 (non-ethanol), so that"s what i put in it. I'am i doing the right thing or should i drop to the 95 or 91 ?

@thomasedmondson1152 2 года назад

Good info Doc. The gas station I use is offering a 94 octane, in Pennsylvania. OK to use or not? ride a 2017 Road King , stock.

@LowCountryHarleyDavidson 2 года назад

That is some sweat stuff....not necessary. It's your choice....Doc

@scottwheaton9689 Год назад

If you need to increase octane you can still buy the real lead used in pump fuel 50yrs ago online from BILL’s corvettes,it’s the real deal & not cheap but it works great. Been using it for over 30yrs in my bbc chevelle & classic 2 stroke triple & big 4 kawasaki’s too.

@LowCountryHarleyDavidson Год назад

Thanks Scott….Doc

@paladin4570 3 года назад

In much of the West, there are Maverick stations. Ethanol Free 91-93 octane. That’s what I’m talkin about.

@mikebuczek1505 4 года назад

Some like our local BP use alcohol to raise octane will that harm anything?

@markhenry192 3 года назад

We only have 94 and 97 in the UK. I put 97 and always from BP or Shell. Thanks Doc

@danielbouchie6397 3 года назад

Yeah I hear that those numbers equate to lower octane here in the states but I’m not sure. So I’m assuming 97 is about equivalent to our premium here. I could be totally wrong though.

@markhenry192 3 года назад

@@danielbouchie6397 I am not sure either. I believe Ethanol free fuel is very good too. Quite sure we do not have that here in the UK.

@danielbouchie6397 3 года назад

Yeah I’ve been using ethanol free in my m8 Harley. Runs good. Doesn’t feel much different but I’ve heard it runs a lot cleaner and does leave as much or really any carbon residue on your pistons.

@markhenry192 3 года назад

@@danielbouchie6397 yes i hear the same. Shawn Smoak likes to use it in his Harleys (popular vlogger). Thanks and have a good day.

@danielbouchie6397 3 года назад

I’ll check him out. Have a good one man!

@dontworrybehappy8080 3 года назад

What about running 'Seafoam' through it every now and then?

@mrincredible5492 3 года назад

My pop's cruzing down from NY to KS wanna help him out with a good fuel cleaner then do a oil change before he goes back. 09 HD softail all i know

@Bolt5520 4 года назад

Only run 91. That’s the highest there is available that I’ve seen here in southern Nevada that’s not in Vegas

@thrlllckr6244 Месяц назад

I have a2015 fat Bob …is Exxon non ethanol gas ok to use ? I couldn’t find octane info on it - on my carbureted bikes I definitely use it … is it a better choice for fuel injected bikes?

@LowCountryHarleyDavidson Месяц назад

Great for storage or a bike that does not get ridden a lot. A daily ridden bike is up to you. It is always your choice….Doc

@tomchristian4304 2 года назад

Thanks Doc. Thoughts on 87 octane ethanol free? We have that in our area, but I've been using 91 since I've had my HD.

@LowCountryHarleyDavidson 2 года назад

Wow, 2 edge sword question. First non ethanol but second low octane....I would lean towards the 91 since the factory set up the fuel maps FOR 10 % ethanol....Doc

@tomchristian4304 2 года назад

@@LowCountryHarleyDavidson Thanks that’s what I figured just thought I’d ask

@johnford3761 3 дня назад

What is your recommendation for travel into areas where 91-93 are not available?

@LowCountryHarleyDavidson 2 дня назад

Ride less aggressive with slow throttle opening. Be in the right gear so less stress on timing. A Tuner suggested a long distance trip might include a tune made for 87 octane. You’re not racing, you’re enjoying the ride….just some thoughts….Doc

@cozzy6547 3 года назад

I have no idea what 93 is. Here in Australia we have 91, 91E10(10%ethanol), 95 and 98. I’ve been told by my dealership to use 98 only. 2012 stage 2 fat bob

@DDAVO7 4 года назад

Good info, but I would venture to say that there are a LOT of riders like myself who like to ride longer distances. That makes it impossible to get gas at the same station all the time. I just think it’s unreasonable to make that statement and expect people to follow that advice.