😠 REGULAR GAS vs PREMIUM in DIRTBIKE 🤔 WILL IT BLOW UP, LOSS OF POWER
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- čas přidán 7. 12. 2018
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I agree completely with your findings! The only place I notice a difference is with a 2 stroke. When riding. With a 4 stroke, the only place I notice a difference is when I tear down the motor. Low octane pump gas is inconsistent, and does not burn as clean. With some 4 strokes, specifically carburetor type, you need to find a good gas station that gets regular deliveries and knows how to treat their fuel. Sunoco is a very good option in my area. If you jet your bike properly and know how to tune your carb for atmospheric conditions, you will notice a difference when you stick to a consistent option. Otherwise, you will be chasing your settings a lot more frequently. Take it from an old motocrosser that chased carb settings all thru the 80's and 90's. You Fuel Injected guys don't know how good you have it. I've had to teach some of you what a choke is for! I would race nights in Iowa in the summer time. Practice and first Moto when the sun is up with 90 degree sunshine, then race the important main after the sun went down and the dew came up up, completely changing atmospheric conditions! 90 and dry to 70 and wet made for good track conditions, but terrible carb settings if you didn't know how to compensate. I would see a lot of fouled plugs on the gate during the mains! Good video for all the couch racers!
Reading this was awesome I could picture it like i was there. I have a lil carb crf70 I have fun with and its little carb
Probably the same gas coming out for regular and premium at the pump 🤣
Haha it's the same hose.. Haha
I’ve heard this was tested at several places and this was proven to be true
I love your videos brother, I don't always agree but I do appreciate your honesty, straight forwardness and just basic info. Thanks keep it up..
Thanks.. Appreciate the views
Watching your videos save me tons of money on my car and motorcycle.Both vehicles had been running strong!!Thank you!!
The only time you'll really notice the difference is if your running 120 octane race fuel.
120, Holly Molly
Try Acetone
I completely agree with you. I ran 110 octane race fuel one time for a race and I could not tell the difference with that and I knew I had it in there. I just stick with 93 with no ethanol.
I don't care about etanol.. To be honest never had an issue with etanol gas in any bike I've owned
Right most bikes don't need it. I run premium in my bikes since they will ping if you don't. I also run non-ethanol. The reason I run non-ethanol is I found that when I was running ethanol and I let the bike sit for a while you are likely to have to clean the jets out to get it running again. The non-ethanol is less likely, I've let bikes sit for years and they start right up without having to clean the carb of gummed up jets.
I thought etanol actually helps with cleaning of the motor it's a solvant after all, the only bad thing for etanol is maybe on rubber stuff but I always run etanol with no problemo
I have many bikes and so I don't always ride them regularly. So when I used to run ethanol, any bike that sits I would always end up cleaning the carb. I switched to non-ethanol maybe 4 years back and since then my carb cleaning is much more rare. I can let bikes sit for years and they start up without cleaning the carb. So having to physically clean the carb all the time or not to get the bike started definitely eliminates any placebo. The problem with ethanol and the carb is that it does dissolve things, but then that stuff gets deposited in the tiny jets and clogs them. If you ride regularly you typically won't notice (because you don't let things settle for a while) it's just because I let bikes sit for a long time.
Ethanol is horrible on carbs if you let it sit. The reason I run trufuel in my saws and trimmer now. They can sit for 2-3 months and start right up.
You took the words out of my mouth. Same problems for over 30 years.
Shit really
You are right, you usually don't feel a difference. BUT I ran regular in my first bike and when I had to rebuild it there was very obvious pitting on the piston from detonation. Ever since I have run premium and have never I seen the same damage to the piston. For the health of my engine, and my peace of mind I will keep running premium.
Yeah that's the thing, we will never know what's the damage..
Vegas RoManiac we don’t always feel a problem but the engine does
Agree with your findings, like the videos, love the humor, interesting lately my KTM 250 EXCF does not run as well on race fuel 116 octane it won’t idle
I started using Sunoco 100 octane race fuel years ago.
Gas station near me sells it at the pump.
(Dedicated pump)
Can't find other non-ethanol fuel around here.
Had problems with pump gas.
My bike pinging, smaller bikes with clogged jets.
(Fresh gas, fuel stabilizer, etc....
Tried all that).
Switched to the Sunoco, problems went away.
It's $8 a gallon.
More than pump, cheaper than VP in 5 gal cans.
Can't tell you why it's different, but the problems went away.
It works, I'm happy.
I'll use Premium in a pinch.
Would I rather spend less?
Of course.
I did the test years ago and got the same results. But the real question is is which one runs cleaner? That's when we tear into the motor and really check out see what's going on.
Agreed you're not gonna feel the difference in riding, even if you put race gas in your bike its barely noticeable, but.... but constantly running 87 on climbs and high load your piston hates you and probably detonates (depending on your piston compression). I personally don't run race fuels in my bike on trails but I do put in VP when I go to the sand dunes. Not for power purposes but to run the combustion cooler. Ive built a few race engines so I know a thing or two about unwanted detonation =)
Isn’t using non-ethanol a much more important factor than worrying about octane rating? In other words, wouldn’t I still be better off with 87 octane NON-ETHANOL, than with 93 octane 10% ETHANOL gas?
I've never been worried about etanol in gas... But I've been keep hearing it..
Vegas RoManiac ... Ethanol gas is definitely an issue if it sits for long periods of time, but I’ve never pushed my luck with it, and I try to keep a rotation of fresh ethanol-free gas cycling between my cans and bikes...
@@vegasromaniac I use 93 with ethanol for my bikes. However, i treat every gas can with startron to remove the ethanol. It's cheaper and easier than looking for the one station that sells non-ethanol
I just went for a ride and mistakenly put in low octane gas. Watching your video before I say what I experienced with my FX.
Yep same result I had, didn't notice a difference. I put 87 octane from my mower in the tank two rides ago, ethanol free though. Didn't hit me till later that I had put in 87 until I just put in 87 again (ethanol free) because i selected the wrong type at the pump, I'm old what can I say. Never noticed any pinging or detonation but I was looking for it. After 30 minutes or so I said whatever and stopped worrying. Next tank will be premium tho. Ethanol free in my truck gives me about a 1 mpg better but the cost difference isn't worth it. 10% better fuel economy but 20-25% higher cost per gallon.
but will it run on the 87 octane gas that was in the lawn mower for a month... the mower has a broken/leaking gas cap? i try to start the 2003 yz250f with old oily gas out of the lawn mower... it flooded the case then back fired out the intake, then blew fire out the muffler. does not start. the lawn mower runs fine.
What RON is your fuel?
In Australia regular gas is 91 Ron. Premium is 95 RON and the best stuff is 98 RON
85 87 89 91 93, we got them all most common 87 and 93
🤣👍👍👍
I found a bit more reliability in starting and tunability from '09 yz450f on everything to 87 91 & ethinol if burning it all up and not getting water grimlens.
I get flame outs and a bit hotter on 94-94non. If I manage to not play with the flex jet and keep the tuning @1/8 throttle response. And hot starting seems to become a bit troublesome with the higher octane I was thinking of race gas to see if with normal riding I could amplify the hot starting issue only I found it clearly had a top end done cause it no longer does this and got broke in the wrong way ish other than I babied it not trusting what I was told buy seller and went by what my eyes said. It no longer randomly smokes out the bypass nor has any staring issues and I perfer the snappyness Imay be imagining from non ethonal.
Great new video I've been a prude in worrying more grey hair to my head for a bike that cost me so much of be hard pressed to fix with said journey it all has become.
Just rode a bit of Billing MT riding area of which Yerrington barley prepaired me four after four years of not riding WOW the guys I rode with today refered to it as "different" 🤣 it was great got vids on Facebook one angle of me on beginners luck passed first atempt.
And fpv of every failed atempt after 🤣 trying to beat sundown and wonder a bit.
It became histaricly funny.
My choice of lines needs some work and I need to purchase better filming equipment other than my phone and bicycle top tube holding bag🤣
Ready to do it again only with more water and daylight🤣
I got the bike @100hrs it is @126hrs now and I have no loss in power
91-94
Thank god haha I ran out of premium and I really want to ride right now haha
Awesome
I have noticed a difference in my car.
Especially when going uphill it appears like it have slightly more torque.
Wait, did you still add premix to the regular gas???
Only time I ever noticed a difference was running a high octane race fuel in a purpose built race motor. And you would only feel the difference in throttle response when you were really cranking it in those upper rpms.
For everyday car traffic driving, increased gas mileage is the only noticeable difference.
Just my $.02
True, but even the mpg it's a very relative increase vs the price you pay extra
4 stroke and fuel injection can run cheap fuel, if I did that with my old CR500 in the dunes it would overheat and seize. Had to run 93 mixed with race fuel
Hmm that is interesting to know
yes most 4 stroke recomended 87 I have before ttr250 yamaha only run good whit 87
Excellent Vid VR😎😎😎 My daughter did this by accident and I couldn't tell at All.
So far we all agree
98 is premium here in australia,running it in my 2013yz250f my sons 2016 ktm 85 tryed 95 in mine and feel the 98 is better,only a few bucks more when filling up,ill stick with what our manuels say,keep the great content comming👍
I'll stick with premium also but I was surprised of the results
Pretty sure my 350XC-F has pinged with with 91 octane on really hot days. Not gonna risk a $3,000+ motor to save 40 cents on gas.
True that, but pinging won't blow the motor, will only perform less.
What do you mean by regular and premium, in the US 91/93 is premium and 87/85 is regular
my experience says there is a difference. it may be the ignition advance is on the mild side. when I had my 3 Cagiva 500's I had too much advance so gas mattered. in fact once it started, sounded good, I put in gear and took off. In Reverse!!. too much advance. i have a 550 hp cheby 350. I can run a few degrees more advance depending on octane. AvGas, I find, can be used up to 50% more than that and the engine runs rough and soot forms on plugs.
Interesting
i honestly only use 87 because like you said putting 91 in doesn't make a differance so why spend the extra 25 cents a gallon for nothing. i think the only time its a differance is if you go from 87/89/91 to 110 then there MIGHT be a differance but it's been so long i don't remember. what are your thoughts @Romainiac???
Agreed
True only when you run 110 octane race gas can you feel a difference and it smells different too!
Yeah I'm not gonna pay 8 bucks a galon for that
Please help me with this, i have a kx250f, it has racing fuel in the gas tank right now, can i just switch over to regular 93 gas from the pump considering it’s a 4 stroke ? Will i need to do anything to the engine since I’m switching gas ?
Most people couldnt tell unless their running a higher compression ratio. i.e. a purpose built race motor.
Yeah, but that's the funny part, most of the people run premium... With no reason
Vegas RoManiac I wont lie, I always run premium in the dirt bike as well. Percieved performance increase; placebo effect.
@@spaceboyrr yeah, it's 30 to 50 cents more a ride, you do that 1000 rides you spent an extra 500 bucks.. But Tha it takes forever to do 1000 rides.. So.. Yeah to close to call
It runs similar between regular and premium gas. You cannot distinguish it obviously, it just a slight differences between the two, and of course, premium gases ran better than the other. Only use regular gas on emergency situation (in case you're amidst of tight wood or countryside far from any reputable gas station (in Indonesia, it's not about the regular and premium, it's all about the RON number. I usually mention the premium gasses was the unleaded RON 95 or higher gasses while below that and leaded I categorized it as a regular one). Never fill the tank with regular gas for long term, for it is durability for the engine itself
Interesting to know
Try racing fuel 107 octane and purple in color. I notice a huge difference plus I love the smell.
Yeah not gonna spend 6 bucks a galon.. I rather rebuild the motor for a 310
Vegas RoManiac true money can be spent elsewhere and still bring happiness. Ride safe and bring on the smiles:)
Looks like you ride more open tracks but If you do more slower single track riding running regular gas can cause carbon build up on your intake valves.
Intake valves are the ones that usually get cleaned by the fuel traveling thru.. Never had an issue like that.. But good to know
As the meme goes:
$100 at the grocery store...😖
$1000 on my dirtbike😁
Oh man, I've seen that one, never understood it. I spend 100 bucks a week at the store, and sometimes nothing on the bike for months.. Haha but that's just me
Octane is all about burn rate. What controls what burn rate to use is compression ratio. The manufacturer could care less what octane you use but they will tell you what the engine runs best on. And running best doesn't mean power it means detonation first then power. The power is minimal but the detonation can be damaging. anything below around 10:1 usually calls for 87-89, above that you need a higher octane to prevent detonation. Race ratios around 14:1 should the highest octane gas and/or octane boost. If you run high octane in a 8:1 compression ratio the fuel doesnt have enough air (ratio) to burn it all completely. Yet another nearly un-measurable amount. Just run what the fargain manufacture says to run and take the thinking out of it.
Sounds complicated.. But I don't have predestination, I should hear it ping
Also this happens only at full throttle, anything under the motor runs chocked, you never achieve the 14;1 compression
Octane makes 0 difference to the "burn speed" or power of your engine, the octane is all about how much abuse and heat the fuel can take before pre ignition, the only way an engine gets more power is with more air+more fuel , more or less octane won't make your engine any faster or slower
back in 86' i was running a 70 Nova with 14:1 compression..700 Horse, ran on pump gas. I suspect, even the shitty gas back then was better than today's.
I used to run a few ounces of Acetone mixed with gas in my car. Ran much better and got very noticeable gas mileage improvement. 6-8 mpg. This would probably work very well on a dirt bike.
Better mpg, hmm you speak my language
The Acetone pulls out ANY moisture content in the gas, makes for a much more efficient burn. @@vegasromaniac
Premuim w 10 ethanol vrs recreational gas with no e85 would be a nice test
I run regular unleaded in my street bike, my dual sport, my vehicles even if it calls for premium. Why would you go back to premium when you couldn't notice a difference?
Haha, because I'm stupid like most of the people.. Haha only reason I would go back piece of mind
That's interesting do you get more miles on premium?
Well to relative to test, the terrain carries so much every ride I can't tell
Anyone help me I think I accidentally put some lawnmower petrol in my kx 65 will it blow up
Nah, it will work fine, you can also empty it and put good stuff in there
''Let me know what you think''... So here it is: you can't garantee anything because it just depend on the compression of the engine. If the compression is low enough, it will be fine. If not, it will ping. If you take a race bike with a high compression piston in it the difference will be obvious. If you take a downtuned enduro bike with a used piston, it won't make much of a difference. Premium gas with higher octane rating does not boost performance, it just help with pre ignition and make the engine run better and smoother. Oxygenated race fuel boost performance.
I got no ping.. My speaker must be broken.. Haba
Conclusion...don't get old LOL!
Very good one
If you've got a carburated bike the most important thing is using Etanol free fuel. Octane needs compression. So if ya don't have that it's a waste
Who lied to you?
Can someone please help me? Just bought a Honda 250f the guy said he uses premium pump gas. Got it home and has blue gas in the tank. He also said he just put fresh gas in it
Blue Gass? Hmm that's a bit crazy maybe he iced a bit of 2 stroke oil in it
I always use premium gas just incase it does gives me a hiding power lol
Super hidden unfortunately
So would it be ok if i used regular gas only one time cause i have no oil or would it mess up i have a yz 85 2 stroke
No oil in a 2 stroke Instant blow up
@@vegasromaniac ah shit
@@vegasromaniac dam i dont know what to do for my yz 85 it has like almost a full tank of regular gas no oil only gas dammit i ran out of my regular mix so i decided to try regular gas like one time shitt
@@vegasromaniac well my dirtbike didnt blow up yet even though i was riding it for a while with the regular gas but i turned it off
If the bike was tuned specifically for 93 you could probably tell the diffrence. Manufactors tune for about 90 but way on the safe side. They know better than too tune super agressive because where ever you sell a bike the lowest octane will always make its way into the tank.
It runs cooler with lower octane fuel I can tell that
I’ve run both in my 250xcf. I can’t tell a difference.
There you go..
I hawe been kawasaki kx 450f 2007 carburated. easy can tell the diference with 95 octane gas, exsaust very very fast bee wery hot when start the bike but with 98 octane gas its dont warm up so fast, and when you stop the bike with 95 actane gas exsaust bee so hot its get ticking saund but with 98 octane gas its dont do ticking saund. but starts goood with each of gas and power can tell the diference. test each of gas in my ktm 250 exc-f 2009 just imposable tell the diference :) ktm exc 300 cant tell the diference each of gas.
Interesting
@@vegasromaniac Yep. Keep it up Love your vids :)
It’s maybe more important to keep away from ethanol
I naver feared etanol
Under the conditions and skill that you ride you may not be able to tell. Rice bikes are a different story. Every little bit of power is noticeable especially racing arenacross.
Also think about engine life. If an engine calls for a minimum use it
Agreed
I find that my moped using premium has better throttle response and faster takeoff acceleration.
Thas some mighty moped
Premium will richen it up just a tad. Which can be good
Yeah, that can be true, but with the Efi system usually things get measured up
@@vegasromaniac true
No it won't. Rich means more gas to air ratio. Jetting controls that.
@@bigwaterdaddyfishingrodrep6024 or the Efi system
Almost $5 a gallon in Alaska 😂😑
Yikes
Wait do you live in Vegas?
Haha, yes but I don't eat pussy.. Haha cool name
Vegas RoManiac bruh. I live in Vegas. Everything looked so familiar. Then it hit me when I saw your CZcams name. I just subscribed, But I've seen like 50 of your videos. Idk why it's taken me so long
@@teaganwerner8139 haha that is quite hilarious..
@@vegasromaniac I thought you were Vegan Romaniac. I was way off.
It matters in my bike but I run a lot of compression. I can run 91 above about 5000 feet but below that I have to run 50/50 with good stuff. But the need is strictly governed by compression.
2 stroke or 4 stroke?
@@vegasromaniac both but my current bike is a 2 stroke. If you where to put a much higher compression piston in your 4 stroke it would become very evident. You would notice pre ignition rattle under heavy load with low octane gas.
@@adambatchelder4121 you know that a 4t motor runs chocked unless at full throttle, so the compression doesn't really matter unless you ride it at full throttle.. It's the law of phisics, air and fuel get mixed and sucked in the cilider, regardless of the compression, u less at full throttle the mix doesn't achieve full compression most of the time
@@vegasromaniac pre ignition happens under load, usually at lower rpms when heavily loaded.
each time i watch your videos i just can't believe how fast that "little 250" goes in the desert, and staying very stable.
Yep it's quite a little rocket
Have you ever tried ethanol free 90 octane?
I never even look, just go and fill whatever the gas station dispenses
You, ve got the wrong altitude on this.
Haha truth hurts
Make America great again 👍
Build the wall, with Canada already will you?
you know gas that sit for a while goes bad and your bike will run like crap. i experience this all the time. bike runs like crap put new gas in and it run's perfect.
Sit for how long?
not very long. i would only buy the amount of gas i think i going to use. that why carburator motorcycle have to be cleaned is because of the old gas.@@vegasromaniac
No one is out here saying they make 10 more hp using premium! People use premium to prevent "detonation" what you referred to as "pre-detonation" which isn't a real thing. Ethenol is also corrosive and attracts water. Which isn't an issue when you are riding as much as you do. It's more for people whose bikes sit for weeks at a time. But is it really worth it to save a few bucks and risk putting a hole in your piston? Premium fuel does not even meet the minimum recommended octane rating for these bikes.
Yeah but I never saw a hole in a piston.. So that's a myth also.. Usually cause by a lean mixture not gas
@@vegasromaniac so just because it did not happen to you, this time, that means it is a myth? Ignorance at it's finest. You think too much in black in white. I said it puts you at risk of putting a hole in your piston. I did not say it WILL happen. I asked you if it is worth it to put your bike at risk, just to save a few pennies? I understand you are just doing an experiment in this video, but it is a flawed experiment, because you are only seeing if you can "feel the difference" you have no idea what is actually happening in the engine.
@@dirtbagian it's the American thinking, buy volcano insurance, even when you don't live next to a volcabie but you saw one on TV in Hawaii
@@vegasromaniac besides the fact that engineers have done thousands of hours on developing and testing and r&d on these engines, and have came to the conclusion that they need certain fuel to run reliably. You did one simple test that proved something everyone knew. You can't feel the difference in reg and premium gas.
💡Is it safe to transport a dirt bike or dual sport (WR 250R) on it's side in a truck for thousands of miles? (Will it damage the bike)⚡
Not safe, will rub and destroy stuff also the gas might leak, otherwise go for it
Higher compression motors will ping and may blow up if ran on low octane gas for a long time, the power isn’t really why people run higher octane gas
I'll look in to pinging.. Because I think it's a myth, never heard an engine ping in the modern era
Vegas RoManiac it happens more on 2 strokes but can happen on 4 strokes I met a guy at the track who had this happen to him, his head was scuffed at the end of the day because of running 87 in a yz450f. Why this happens is because the lower the octane the more likely the gas is to combust under compression and not from the spark plug. This causes misfiring (pinging) so that is why people with high compression pistons need to use a higher octane gas.
If your bike isn't making a pinging noise then you don't need to go up in octane. Some bikes require high octane to run right. BUT NEVER USE GASAHOL. Ride safe my 2 wheel friends.
Gasahol?
@@vegasromaniac A mixture between ethanol and regular 95 octane gasoline. Called E85 here i sweden.
@@tommyjansson4097 oh yeah we got that here to, I might have out some on a old bike a while back, still run good, for 1 dolar more I'll stick with premium on this one
Gas with that corn syrup in it, the cheep gas.
@@sandysmith7485 I run 10 percent ethanol in. My bike for years, never had an issue
The higher the octane rating, the slower the fuel will combust. The reason I run Sunoco silver (100 octane) is because it doesnt contain ethanol and for an extra edge of protection against pinging. 99.999% of people probably wouldnt feel any difference in the way it runs. And since my bike only holds 2.4 gallons, its not too much.
You do have a point, but to me it's like talking to your insurance guy and he offer vulcano insurance for only 50 cents more a month, it's cheap, yeah, does it have any purpose, nope..
Only needed under heavy loads, extreme heat or if you are running a zillion rpm. For me and most people, it just a little extra cushion against detonation & engine damage.
My 88 KDX 200 manual says 95 or higher. If I don't run premo it pings and pings and craps out a little at full throttle.
If you dont have access to race gas, Klotz and Lucas both make excellent octane boosters. I allways wondered why they stopped making Sunoco 94..
The higher the octane the fuel is less likely to pre ignite and the more resilient to heat and high combustion pressures, dirtbikes and performance cars need this higher octane as its better under rougher conditions