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DRZ400S Jetting

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This is probably posted elsewhere but I could not find it.

2005 DRZ400S

All stock, no mods except tires.

Engine will only run when throttle mid-range to full open. Have not touched anything since last ride and it ran fine then. Vacuum lines hooked up - no air leaks. Suspect pilot system clogged.

Since I'm taking carb off, I figure I'll pop a Dyno Stage 1 in there WITHOUT the 3x3 mod. Question: What settings should I use? Dyno recommends:

Groove #4

130 main

3.5 turns on mixture

no info for pilot.

Thanks! :thumbsup:

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Thanks Burned! 25 pilot jet is the stock jet (I assume?). I did see your posting on confirming the pilot circuit settings.

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Thanks for the timely response! If it would benefit the forum, I'll post the results when the job is complete.

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