Harley-Davidson advises owners of all fuel-injectedmodels to use premium unleaded gasoline..
Then, what is the best fuel for Harley Davidson?
Harley Davidson and Suzuki, also tell their bikeowners that regular unleaded gasoline is the best choice fortheir engines.
Secondly, what kind of gas does my motorcycle use? Thekind of gas motorcycles should use is ethanol-freehigher octane gasoline (no less than a 91 rating).Motorcycles are considered to have high compression engineswhich is something that requires high octane.
People also ask, what octane does Harley Davidson recommend?
Good. Every engine manufacturer specifies a minimumoctane rating requirement for fuel. The majority ofmotorcycle engines, including all currentHarley-Davidson engines, require 91 octane orhigher (Premium) fuel, thanks to high compressionratios.
How does Harley Davidson fuel injection work?
In its simplest terms, an electronic fuelinjection (EFI) system is a computer controlledfuel delivery system. This electronic control unit (ECU)reads various sensors located on the vehicle and makes thedetermination of how much fuel to allow the engine to havebased on this information.
Related Question Answers
How many miles per gallon does a Harley Davidson motorcycle get?
The average motorcycle gets 35-40 miles pergallon. Some can even pull off 60mpg or greater, depending onthe engine and the fuel type.Do you have to use Harley Davidson oil?
Any good quality oil will work just fine.Harley does not recommend any automotive oil ratedhigher than SJ as the SJ spec oils have an additive thatwill damage roller bearings over time. They recommend usingDiesel rated oils as Harley aircooled motorshave the same duty cycle as diesel engines.Is ethanol free gas better?
The short answer is, no, ethanol-freegasoline is not bad for your car. Most cars today can run onethanol gas blends up to E15 (15% ethanol) and onnon-ethanol gasoline. And flex fuel vehicles can handle upto E85 (85% ethanol) without a problem.Can bikes run on alcohol?
Although, the most commonly available version, E-10 isonly ten per cent alcohol. We'll quell some rumours aboutalcohol in general… Will running yourbike on alcohol make it go faster? Unless you makesome major changes to your fuel injection or jets in the carbs,then, no, not really.Is ethanol bad for dirt bikes?
Most non-ethanol based fuel is rated at 90 octaneand recommended for Motocross bikes. However, we advise NOTusing an ethanol concentration above 10 percent. The bigconcern using ethanol-based fuel is corrosion.Ethanol attracts moisture which overtime corrodes vitalengine parts.Is non ethanol gas better for motorcycles?
Yes, non ethanol blend gas will runbetter. You'll get more power simply due to the fact thatgasoline has a higher amount of potential energy per volume thanethanol does.Why is ethanol in gas?
Since ethanol is used to oxygenate the gasolinemixture, which in turn allows the fuel to burn more completely andtherefore produce cleaner emissions, its use in fuel has obviousbenefits for air quality.Can I use diesel oil in my Harley?
LAB-124-Can You Use 15W-40 Heavy DutyDiesel Oil in a Harley-Davidson Motor? Podcast-Okay,so you're out on a motorcycle road trip and don't have anysynthetic oil or “approved” oil for yourHarley-Davidson, but need some suddenly.Can I use high octane fuel in my bike?
If your manual says to use 93 octanegasoline, using gasoline with less than 93 octanecan result in damage to your engine. Using ahigher octane gasoline will not damage your engine,but it will waste your money. Your owner'smanual will tell you if your motorcycle engine has anknock sensor.Is it better to run ethanol free gas?
Pure gas gives better mileage than E10,and much better than E85, simply because gasoline hashigher free energy than ethanol. The freeenergy of gasoline is 34.2 MJ per liter. Mileage will be reducedeven more if your engine doesn't run as well on E10, whichis often the case with older vehicles.What is pinging on a motorcycle?
Engine knock or pinging occurs when a separatepocket of air-fuel mixture ignites after the spark has ignited theair-fuel mixture within the combustion chamber.Should I put premium gas in my Harley?
Harley-Davidson advises owners of allfuel-injected models to use premium unleadedgasoline. But is it really necessary to use 91 or 92 octanegas? Generally speaking, if your motorcycle is equipped witha high compression engine, you should run high octanegasoline.Why are there no diesel motorcycles?
Due to high compression ratio, diesel engineproduces more vibration and noise as compared to the petrol engine.It is not possible for a light vehicle to handle this highvibration and noise.That's why diesel engines are not usedin motorcycle.What year did Harley go to fuel injection?
Starting in 1995, the company introduced ElectronicFuel Injection (EFI) as an option for the 30thanniversary edition Electra Glide. EFI became standard onall Harley-Davidson motorcycles, including Sportsters, uponthe introduction of the 2007 product line.When did Harley stop using carburetors?
The Last Years of the Harley-DavidsonCarburetor However, fuel injection was offered as an option forHarley-Davidson's popular FL-series Touring motorcyclesstarting with the 1996 model year, but in 2007 became standardequipment on all Twin Cam engine models, which now included allTouring, Dyna and Softail models.What should Harley fuel pressure be?
Fuel Pressure should be steady between 55-62PSI.What does a motorcycle tuner do?
An auto tuner is a unit that helps in adjustingair and fuel, for bikes that use the fuel injection technology. Anauto tuner monitors the performance of a motorcycleand constantly tunes the air and fuel ratio to an ideal capacity,hence allowing excellent full delivery and optimum performance ofyour motorcycle.How does a motorcycle fuel injection work?
Automotive fuel injection in general measures theairflow going into an engine and then supplies the fuel thatmass of air flowing every second requires. Motorcycle fuelinjection, however, uses what is called an "N Alpha" system,which is mapped injection. 
