Dyno Jet
http://www.americanrider.com/output.cfm?id=1021951
http://www.shovelhead.us/forum/showthread.php?p=281336
try these articles.
I have a Dynajet kit in my bike, really like the performance but the mileage suffers
Bike runs well, plugs are very good, and it's not running too lean.
thinking maybe later this year about putting on a Mikuni HSR42, have read and heard excellent things about it..
Last edited by cruise_carter; Jun 4, 2010 at 05:23 PM.
Oh yeah, the sportster needle part number is N72s








