allitude chart (sp)

[sacjoe]

yea i know my spelling sucks but what can i say i can wrench...

was just at pismo on my 01 cr 250 thats at sea level and the bike ran great now i come back to sacramento and i cant get it jeeted worh a dahm again.is there like a general rule to haw many main jet sizes to go down for a certain alltidue hight? i would like to bring it to sand mountain and not be running rich and fouling plugs thanks joe

[sacjoe]

any help anybody? thanks joe

[Wayward Son]

what is your current jetting?current altitude?

[sacjoe]

what is your current jetting?current altitude?

i will pull the carb off tonight

[sacjoe]

what is your current jetting?current altitude?

current jetting

main 380

piolet 27.5

needle 2 from top

ran perfect at sea level

want jetting for 3000 feet at 60 deg

thanks joe

[sacjoe]

going riding sunday any help should i try a 370 main

[Wayward Son]

370 main for sure.leave the needle,set air screw as needed.