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gal

whats a race gas ?

5 posts in this topic

i live in israel and the only fuel i can get is

95 unleaded

98 unleaded

and 96 leaded ....

i use the96, thats what the local yamaha dealer suggested.

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you don't need to use leaded fuel, in fact, you should try and avoid it...

use the 98 unleaded...

Race gas that is spoken about here on TT is a specially distilled higher octane fuel, and the main reasons that people want to run it is that it allows higher compression or modified timing to get a few more horsepower up high... to use it effectively you need to re-jet, and change your timing... Race gas by itself has no extra 'power' built-in, it just allows you to tune your motor a bit more highly...

Stick with the 98 and get your jetting right for that... you will be fine...

HTH

David

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I'm guessing that the octane numbers listed are the "RON", or Research Octane Number. This would equate to 93 U.S. pump octane for the 98 unleaded.

Still more than adequate for a stock YZF.

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why not leaded fuel?

the bike runs great with it at the moment.

should i still consider 98 unleaded ?

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Hey man,

The YZF motor is designed for unleaded fuel, and you'll gain more by running a higher octane than running lead. Also, the gas in Israel is rated differently, and you should be running the higher octane.

When I worked for Honda there, they said not to run leaded fuels, because the deposits that they leave behind are not good for the motor.

See you in 3 months...

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