PSST. GOOGLE IS YOUR FRIEND ITS A GOOD WAY TO FIND YOUR STOCK JETTING. JETTING IS AN ART NOT A SCIENCE. YOU SHOULD HAVE A 165 MAIN GIVE OR TAKE. MAKE SURE WHAT YOU HAVE IN NOW IF YOU DIDN'T BUY THE BIKE NEW. STOCK SHOULD BE GOOD FOR UP TO 4000 FT AND YOU SHOULDNT HAVE TO ADJUST ANY MORE THAN 005 TO RUN AT 6000 FT.