IFR RIDER (guest) View all posts in this topic  
Tue Aug 14, 2007 2:13 am
FUEL !!!!        

Alright, everyone keeps telling me that they only run higher octane fuels in their bikes. Well to all of you, im glad your paying 3.30 for premium when you dont need to. The octane rating is the gasolines compressibility rating. If your manufacture specifies that your engine runs best at 87 octane, use that, if you put in premium your bike will actually run worse, and you will get poor gas mileage. If you put 93 octane (which has a higher compressibility rating) in your engine that is rated for 87, your pistons will not have enough compression to compress the fuel to its optimal flash point, resulting in unburned mixture and a sub par "explosion" in the power stroke. please feel free to correct me on any of this if i am wrong, i wrote this in 5 minutes and didnt take the time to make sure the correct terminology was used. Back to work.

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