What octane fuel does Harley-Davidson recommend?

Use a good quality unleaded gasoline. Use at least 91 (95 RON) pump octane (R + M)/2. Octane rating is usually found on the pump. Remove fuel filler cap slowly and fill fuel tank slowly to prevent spillage.

Can you run 93 octane in a Harley?

No. Higher octane fuel doesn’t burn any “hotter”. It has a lower flashpoint resisting pre-ignition, than lower octane fuels. Higher octane fuel in a bike that doesn’t require it is simply a waste of money, in in most cases, will show a decrease in HP’s and can lead to deposits.

Should I run 93 octane in my motorcycle?

Whatever the manufacturer recommends is what you should stick with because that’s What your bike was designed to burn. That’s going to increase combustion pressure and temperature. But, unless your bike is knocking on 87 octanes, it’s not going to run any better or make any more power on 89 or 93 octane gas.

Can I put 110 octane in my Harley?

Can I put 110 octane in my Harley? Harley-Davidson recommends that riders should use 92 octane fuel or higher. Most Harley motorcycles can use 110 octane fuel. However, if you put 110 octane in your Harley, it will not run faster, and you can damage it if the motorcycle is not properly tuned to run 110 octane fuel.

Will 110 octane hurt my motorcycle?

Will 110 Octane Hurt my Motorcycle? Fuel with a 110 octane rating will not hurt your motorcycle as long as it is lead-free. The majority of motorcycles run on fuel with an octane rating between 87 to 94, which means they can handle 110 octane fuel.

What is the best fuel for motorcycles?

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

Does 93 octane make a difference?

Regular gas is rated at 87 octane in most states, while premium gas is often rated higher at 91 or 93. Essentially, the higher the octane rating, the lower the likelihood that detonation happens at the wrong time. On occasion, this occurrence will likely not harm your vehicle.

Does high octane fuel run cooler?

Registered. higher octane gas will make your engine run cooler. temperature does not ignite it, spark does.

Can running high octane gas damage an engine?

The higher octane gives premium gas greater resistance to early fuel ignition, which can result in potential damage, sometimes accompanied by audible engine knocking or pinging. If you use premium fuel because your engine knocks on regular, you are treating the symptom, not the cause.

Can you run leaded fuel in Harley-Davidson?

Yankee Harley-Davidson is proud to now offer leaded and unleaded Sunoco race fuels for your machine! We now carry 98, 104 and 112 octanes but can quickly order whichever Sunoco fuel you need. Sold in five gallon pails, stop by to pick up your’s today!

Can I use 100 octane in my motorcycle?

Yes and no. The lower the octane, the less pressure is required for the gas to ignite in the combustion chamber. The higher the octane, the more pressure is required in the combustion chamber. Unless your vechicle has a highly tuned engine in it, you’re just wasting money.

Is high octane gas better for a motorcycle?

Engines must use the proper octane fuel to avoid knock and provide reliable operation.” So higher octane ratings are important for engine preservation and operation in bikes that have high compression ratios and, depending on boost pressures anticipated, turbocharging.

What kind of Octane does a Harley Davidson use?

No install required! For the modern, unaltered ones, they recommend premium- which the actual octane depends on where you live and what season it is. Currently, winter Colorado it’s 91 octanne. You should use 91 or higher octane in any Twin Cam 88 or larger engine (96, 103, right on up) as well as the 1200 cc in the Sportster.

What kind of gas does a Harley Davidson use?

Those who’ve ridden their motorcycles along the Alaska Highway through British Columbia and Yukon know first hand that many stations only carry 87 octane. What then? Generally speaking, if your motorcycle is equipped with a high compression engine, you should run high octane gasoline.

What’s the difference between 87 and 89 octane fuel?

With 87 or even 89 octane I get rattling in the engine (don’t know the technical term) when accelerating uphill. 91 octane seems to work ok but every now and again it makes a bit of the same noise. With the 94 octane there is no rattle. I’m wondering if this is typical or if there is some adjustment for lower octane fuel?

What’s the minimum octane for a 09 ultra?

Gotta 09 Ultra stock. Owners manual says to use a minimum octane of 91. Here in New York we have 87, 89, or 93 octane fuel. I use 93 all the time. What are your thoughts on octane levels for the HD’s?