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02 vs 03 rmk needles and cutaways

I have an 03 700xc motor and carbs in an rmk and I never liked the carb needle setup on the 03 and up xcs at low altitude and it seemed to be worse at high altitude, when comparing to the xcs the needle is different and the 02s use a 2.0 cutaway where the 03s use another needle and a 1.5 cutaway like the xcs.
I was going to try swaping the parts to start with the stock rmk setup and go from there but did I wa sjust wondering if there was a certyain year that worked better or if I should just try the 03 rmk needle so I dont have to swap cutaways.
Sled has a slp single and an rktek head for pump gas a gutted box with slp hi flow kit and flowrites
 
The '03 and newer RMKs use the same needle. It is quite a bit richer than the '02 needle in the midrange and up so you can jet the top end down while keeping mid range temps reasonable.

sled_guy
 
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