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xr400r jetting

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1998 xr400r

HRC power up kit

full yoshimura exhaust.

Sparks fcr39 carb with boyson quickshot2

currently jetted at 168/50. needle on the first clip, needle says "obvdr".

unifilter

elevation: mostly 6000' but anywhere from 5200-7000 on any given ride.

this jetting has wrong written all over it to me. but im just a retarded noob.

please set me straight.

also, heading to cali next month for 3 days of riding. what should i change the jets to for an elevation of 2500'?

thanks!

:smirk:

Edited by sceep

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