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High octane gas for any engine is good to prevent build up on valves and internal combustion parts. If your familiar with the way a two stroke engine works, the fuel and oil enter the lower end of the motor where the crankshaft is. When the fuel and oil is dumped into that area, the oil portion of the fuel lubricates the lower end and piston walls and the gas evaporates up through reed valves ( which are nothing like your car valves and are not mechanical) and is combusted in the combustion chamber and then it happens all over again. The only moving parts in a two stroke engine are the crankshaft and the piston unlike a 4 stokre engine which has a crankshaft, a piston, lifting rods, or hydraulic lifters, and a separate exhaust valve and intake valve, and on most cars there are more than two of each. You might notice a little more pep out of your engine and the higher the octane the better burning with the ethanol that's in the fuel lately, but I wouldn't spend the extra money on the better fuel if it is a stock engine 2 strokes are great in the fact that you really cant kill em. Hope this helps.

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Q: Will high octane gas inprove performance in a 2 stroke engine?
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90 or 91 octane mixed 32 to 1. I run mine at 40 to 1, witch is 16oz. to 5gals. gas.


What is Two stroke engine?

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Will it hurt the motorcycle if you mix 87 and 93 octane gas?

The question is, what octane does the motorcycle require?If it needs 92 or 93, and you mix 87 and 93, you are probably not meeting the requirement. That could damage the engine due to pinging.Lower Octane means a more powerful and hotter explosion. Octane ratings vary, usually due to stroke time or compression ratios which increase the temperature of the air in the cylinder and pre-ignites the gas mixture (pinging), sometimes it has to do with aluminum in the head. If your bike manual asks for 92, put in 92.Lower Octane = More powerful explosion, very short burn time, hotter burnHigh Octane = Weaker and slower explosion, colder burn.Putting higher octane fuel in a lower octane engine usually results in poor perfromance because the power stroke has finished while the fuel is still burning.


Does using 98 octane in prove your gas milage over 93 octane?

NO, it does not... there has been a lot of mis-conception about this topic and being an engineer have been told several times, and have indeed mathematically shown that octane does not affect the efficiency of the engine. the octane rating is simply a rating that shows a fuels resistance to detonation and nothing more. You can confirm this by doing a little research on the Otto cycle (4 stroke standard gas engine) and understanding that when 93/98/87 octane fuel is burned, it releases the same amount of energy. the reason that this myth probably exists, is because higher performance (and higher efficiency) engines use higher compression ratios and have a tendancy to detonate lower octane fuel (knocks). also takes longer for the gas to ignite.


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Does higher octane produce higher co?

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