Or the one-way bearing maybe corroded. 1 x Aluminum Fishing Reel. And then you can find a white one way bearing under a spring clip in the center of the spool. Reverse load the one way bearing into the spool.
(9/10 Fly Fishing Reel Large Arbor Fly Reel Smooth Casting Fly Fishing Reel
Redington "Red Fly" Fly Reel #6/7 Fly Fishing Reel Grey Sport
3/4 5/6 7/8WT Fly Reel & Large Arbor CNC Machined Aluminium Reel&Fly Reel Pouch
Aluminum Alloys Fly Fishing Reel, All Metal Fishing Reel, Light Weight Fly Reel
Fly Fishing Reel 3/4 5/6 7/8 9/10 Aluminum CNC-Machined Large Arbor Fly Reel
Maxcatch ECO Fly Reel 3/4 5/6 7/8WT Aluminum Large Arbor Fly Fishing Reel