gaslighter01
New member
Is there any reason why the venom 600 is jetted 138.8 in #1 and 136.3 in 2&3 and the 600 sx is jetted 136.3 in #1 and 133.8 in 2&3?

staggs65
Moderator
srx did it too, 98-99 #3 was bigger, then in 2000 went to #1 bigger, iirc it had to do with those cylinders running hotter (in theory or actual?) so this was the fix