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.
Another thing that higher octane fuels do possess over lower octane fuels is resistance to breaking down into fuel system-fouling deposits and varnish. As the months pass during storage these unstable components react to form gums, varnishes and lower octane hydrocarbons. As a result, the octane can decrease within months for 87 octane fuels, especially when stored under less than ideal conditions. These stable hydrocarbons can last two, three times longer than 87 octane fuel.
Even in proper storage, 87 octane gas can start to degrade in three months, 93 octane fuel should last closer to nine months before degradation is noticeable. Keep in mind that 93 octane fuels are still susceptible to octane loss and vapor pressure decreases due to butane evaporation. What about pump gas containing ethanol E10?
Sunoco offers the following information aimed at the person who may use a vehicle as both a daily runner and weekend warrior:. After a few passes, regular grade might not be enough to prevent detonation so it is a smart choice to use premium at the track even if your car [or bike] is tuned on regular.
The fuel you will be putting in your motorcycle will depend on its octane rating. This rating number indicates how resistant the fuel is to detonation. The gasoline we get at the pumps is composed of a mixture of octane and heptane.
The percentage of octane in the mixture determines the octane number. The higher the octane number means the gasoline will only ignite under higher temperatures and pressures. Fuel at gasoline stations usually ranges from 87 to 94 so the type of fuel you get will depend on your motorcycles octane number. Insider Tip : The Octane number does not add power to your motorcycle, it only resists pre-ignition from compression.
Most motorcycle manufacturers recommend owners to use pure gasoline in their motorcycles. In the s, engineers were looking for ways to increase the octane of fuel and prevent engine knocking. What they found was that lead was capable of achieving that, so they began using it.
Lead not only raises the octane rating of fuel but also lubricates the valves and valve seats. The lubrication is achieved by the lead salts that are produced by the ignition of the lead. However, these salt deposits can also cause a wide array of problems. They can foul the spark plugs, corrode the exhaust system, degrade the lubricating oil in the crankcase, and even increase the harmful emissions.
In leaded gas was banned and gradually phased out. This means that motorcycles and other types of vehicles produced after that period were designed to use unleaded gas. They were built with hardened valve seats, which did not require lead in the fuel anymore. In the majority of cases, the only difference may be in the octane rating. Regular fuel will be about 87 octane, and premium may range between 91 to If your motorcycle manual recommends unleaded fuel with 87 octane, there is no benefit of going with premium fuel.
There is little to no benefit of giving your engine higher octane fuel than it has been rated for. Considering that premium gas is, on average, more expensive than regular gasoline, and how little to no benefit there may be to using it, you will simply be paying more and getting nothing in return. However, going with a lower octane fuel, is a different matter, and should not be done. What really matters here is the quality and the additives in the fuel.
However, just because it says it is premium fuel does not mean it is of good quality. Both regular and premium fuel can be of poor quality. This kind of gas has a higher amount of additives, which prevent fuel deposits from forming and accumulating on the engine components.
Some premium brands of fuel, even though they are not Top Tier rated, can still be of very good quality. See article: Is octane bad for the motorcycle? Again plus gas follows the same logic. It has a higher octane rating than regular gas but not as high as premium gas—it falls somewhere between regular and premium gas. If regular gas has an octane rating of 87 and premium gas 91 to 94, then plus gas will be between 88 and The fuel additive will stabilize the fuel, which is very important when it comes to ethanol fuel since it can attract moisture over time.
So automotive manufacturers have already begun the race to be at the top when that happens, and have kept their workforce busy in spinning out vehicles for the future.
Electric charging stations have been coming up faster than one could imagine and are being made readily accessible across the country. Check the fuel filter regularly and make sure it is not clogged, looks clean, and is clear.
Replace fuel filters every two years or sooner if you have any signs of contaminated fuel. Check your fuel lines for weather damage and cracking. Replace these lines immediately if any damage is found.
Avoid filling up blended ethanol fuels since they corrode the carburetors in older machines. A good fuel additive mixed in with the gasoline should coat and protect the carburetor and fuel system components, protecting them from this process. Ethanol in the fuel lines can also damage parts of rubber, plastic, and other sealing materials.
A good additive should solve this issue in newer models. Definitely stay away from your local convenience store fuel station and fill in one of the Shells, Exxons, or Walmarts for the best quality unadulterated fuel. Ensure the right Octane rated fuel to be pumped into your vehicle.
Exposure to air and light and the accumulation of water from the environment will cause gasoline fuels to lose their quality.
Never buy and store gas for more than a 30 day supply for the same reason. Choosing the right fuel for your motorcycle.
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