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Wideband Air/Fuel Ratio on 2 stroke


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I believe the optimum WOT A/F should be between 12 to 13:1 you dont wand to be leaner than 13:1 and will loose power/bog at A/F's much richer than 12:1. You may want to consult someone familiar with dyno tuning a banshee though to verify. But yes, a wideband is a totally kick ass way to tune a banshee. Much more scientific than doing a plug chop. 14.7:1 A/F is optimum for part throttle low load/steady speed conditions on the needle and pilot.

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wouldnt the oil in your premix give you a false reading ?

 

not if you put the sensor at the end of the pipe so it wont get so oil soaked. look at all these cars driving around smoking their ass of and still running well. i say go for it because ive thought about it too, just dont have one to do it with. yet someday i also plan on making an EFI kit for the shee and ima use a EGT probe like the snomos and skis do.

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