Can You Run Jet Fuel In A Dirt Bike?

by | Last updated on January 24, 2024

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AvGas is suitable for certain engines, namely ones that do not contain oxygen sensors or catalytic converters.

It also is alright to use in dirt bikes that are rebuilt frequently

, because the build-up of lead is not a problem.

Can I run race fuel in my dirt bike?


Any fuel type between 87-octane and the 92-octane will work just fine depending on the type of motocross bike you own

. If you own a 4 stroke, for example, the 82-octane works just fine, but for a 2-stroke, you should go for the ethanol-free higher octanes (92 and 93) because the lower octanes tend to detonate.

Can I run AvGas in my motorcycle?


You shouldn't run avgas in a bike because your carb/injection isn't set up for it

. It has a different specific gravity than pump gas or race gas, and it also has a different set of additives. It's made to run well at high altitude.

Can I run 100 octane in my dirt bike?


100LL works well, especially in modified 2-strokes

. In a stock compression 4-stroke, it isn't necessary but it will work fine.

Can you put 100LL in a dirt bike?


Yes

. A drawback is that 100LL is leaded fuel, therefore your plug and cylinder will be prone to lead deposits.

What octane is airplane fuel?

The most common avgas is

100 octane

, which is a measure of the fuel's ability to resist premature detonation or “knock.” Avgas is also available at other octanes such as 87 and 130, but they are rare today.

Can I run methanol in my dirt bike?

Methanol is corrosion to the fuel system so it must be drained and the engine run with regular premix afterwards. It also requires a much, much larger main jet and significantly reduces range. Unless you are trying to recreate their experiment

there is no practical reason to run your bike on methanol

.

Can you put AvGas in a dirt bike?

Can I Run Airplane Fuel In Dirt Bike?

In some engines, such as those without oxygen sensors or catalytic converters, AvGas is suitable

. In dirt bikes that are frequently rebuilt, lead does not pose a problem, so you can use it.

Can you get lead poisoning from AvGas?

The lead in air surrounding airports can be inhaled directly, or the lead may be ingested by children after it settles into soil or dust (U.S. EPA 2010). The U.S. EPA estimates that

people living within 1 km of airports are at risk of being exposed to lead from avgas

(Hitchings 2010).

Can I run 110 octane in my dirt bike?

So,

yes, 110 octane fuel can be used in motorcycles

. Fuel with an octane rating of 110 can be considered racing fuel, and it is very hard to come by. Using 110 octane fuel, in general, will not provide any benefits in terms of speed or performance.

Can you run C12 in a 4 stroke?

But

c12 works fine in four strokes

… however it's not usually a power improvement over pump.

How long does C12 racing fuel last?

The length of time the fuel will stay fresh in a sealed drum depends on the fuel itself. A non oxygenated fuel such as C12 should be used within

a couple years

. I personally have tested some that was eight years old and was fine.

Can I put 93 in my motorcycle?

Even then,

unless your engine is knocking on 87 octane, it's not going to make more power or run any better on 89 or 93

. On the flip side, if you're thinking of going cheap and putting regular in a bike designed to burn premium, you're at risk of engine damage.

What happens if you put regular gas in a motorcycle?

This can happen due to heat and pressure. Detonation from time to time will probably not affect your engine. However, if this is frequently occurring,

you could end up with some engine damage

. Higher octane in fuel means that it will only ignite with very high temperatures and pressures.

What is the best fuel to run in a motorcycle?


Pure Unleaded Fuel

:

Most motorcycle manufacturers recommend owners to use pure in their motorcycles. Unleaded fuel provides the best performance and efficiency in all motorcycle ratings.

Can I run AvGas in my 2 stroke dirt bike?


AVGas works well in 2-strokes

, but shouldn't be used in 4-strokes because the distillation curve is all wrong and will cause a super lean condition.

What is the difference between AvGas and race fuel?


AvGas has a lower specific gravity than most racing gasolines

. This means that if a racer tries AvGas and has not re-jetted, he can burn a piston because the air-fuel ratio is too lean and/or the engine detonated. To make a good comparison between two gasolines, the air-fuel mixtures must be the same.

Is AV gas the same as race fuel?

Av Gas is NOT designed for low RPM motors. AV Gas is designed to not detonate/preignite causing detination. This would be the same design as race fuel. If you compare the “distillation curve” of AV Gas to Race Gas, you will find

they are almost identical

.

Can you use jet fuel in a car?


Jet fuel can actually be used in cars, but only in diesel engines

. Kerosene jet fuel and diesel are actually similar enough to allow for cross-functionality and would provide a similar performance.

How much is a gallon of jet fuel?

As of April 15, 2021, Jet Fuel A was priced at an average of

$4.81 per gallon

in the United States. If you multiply that by the typical tank size of a commercial aircraft (3,500 gallons), filling up your plane with Jet A fuel may cost you somewhere around $16,835 in total.

Can I use 100 octane in my car?

The short answer to the question of whether or not you can put racing fuel into your normal car is yes, however it does depend on which type of racing fuel you add.

Unleaded high-octane racing fuel is fine to add to your car

, and you won't notice much of a difference apart from the exorbitantly higher price.

Can 2 strokes run methanol?


easy to do


Ok

, I run methanol in 3 different 2 stroke motors, lt250r, cr125, kx250. 1. and very important, meth will not mix with most oils… must use Klotz BeNOL racing castor.

Can I run methanol?


Yes you can

. Racing people have often used Methanol in their cars. Methanol burns faster than gasoline. Due to this, it provides energy faster than gasoline.

Can I use leaded fuel in my motorcycle?


The leaded fuel will work in your bike, but isn't needed

. If you want/need higher octane fuel, many race shops sell 100 octane unleaded.

Is AV fuel oxygenated?

VP U4. 4 is oxygenated, so there is some advantage there vs. standard non-oxygenated fuels.

AV Gas is oxygenated

(BTW: this means it has some alcohol content – likely to be methanol) and it has a number of other additives (primarily de-icers and the like) that you probably don't need in a race engine.

David Evans
Author
David Evans
David is a seasoned automotive enthusiast. He is a graduate of Mechanical Engineering and has a passion for all things related to cars and vehicles. With his extensive knowledge of cars and other vehicles, David is an authority in the industry.