Hi, chasing a starting point for jetting a 1997 cr 250 with 99 cr 250 PWK AS Carby. The bike has Procircuit system ( Platinium & R304), VForce Delta 2 and port matching and burs cleaned and tidied.
Pro circuit has specs for the '99 '00 CR 250's same carb on both bikes but Different jetting specs
CR 250 '00Pro Circuit 172 STD STD 2ND 1 1/2
CR 250 '99Pro Circuit 168 55 1370M 3RD 1 1/2 NEEDLE# 16204-K23-690
I Live in Australia similar climate to coastal S Cal