Location: The Center of the Sportster Performance Universe
Sportster/Buell Model: XL883
Sportster/Buell Year: 2007
Sportster/Buell Model #2: Buell Cyclone
Sportster/Buell Year #2: 1999
Yes, that's correct. You have to either update your pinion gear, or alternatively, you can press the drive gear off your old #2 cam and press it onto your new #2 cam. But that takes a bit of know-how, to keep the cam timing right. It's easier to change the pinion gear.