Home Forums Shifter Karts CR125 99 or 01? Reply To: CR125 99 or 01?

James McMahon

Check with your org to ensure you can run the ’01.
Otherwise you can swap them yes. ’01 is arguably faster, depending who you ask but harder to tune, YMMV.
Biggest pain is if your stick the ’01 and need to replace it, you cant just transfer your valve plugs over to the new cylinder. $$