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Full exhaust, intake, and jetting...

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Posted by: acesfull

I have Alba racing exhaust, K&N intake and my YFZ is jetted at 165 on the MJ with a Boysen QuickShot for the low end problem. I was thinking since my 400ex is jetted at 165 on the MJ shouldn't my YFZ be jetted bigger? It doesn't ping or show any signs of running lean? Tell me what you think


Posted by: golfman400ex

165 on one carb is completely different from 165 on another. My friend and I were just comparing jets in the garage earlier and we were surprised.




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