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Everything Dirt Bike
Make / Model Specific
Yamaha
Gas oil mix for 83 Yz 490
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<blockquote data-quote="Mihylo33" data-source="post: 206077" data-attributes="member: 408"><p>A lot of it has to do with engine tolerances. When they design and build the motor and then use the fuel oil to compensate. New ktm, leaner mixtures. </p><p>A big old school air cooled motor will chug down the fat mix but there is a difference between racing a motor and running a motor.</p></blockquote><p></p>
[QUOTE="Mihylo33, post: 206077, member: 408"] A lot of it has to do with engine tolerances. When they design and build the motor and then use the fuel oil to compensate. New ktm, leaner mixtures. A big old school air cooled motor will chug down the fat mix but there is a difference between racing a motor and running a motor. [/QUOTE]
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Everything Dirt Bike
Make / Model Specific
Yamaha
Gas oil mix for 83 Yz 490
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