I was about to order an RMJ ring for the 150, there is a choice of ring thicknesses, so I have to measure the ring.
https://rmjmachineworx.com/online-st...s/saito-fa-150
The choices, .039" and .0585", I checked and the 300 offers the same choice.
Last edited by 1200SportsterRider; 12-14-2021 at 04:28 AM.
Reason: Add picture