hu54b

I've got an older 024 with a HU54B that I got as a box of parts; I took the carb apart and it's pretty gummed up. Is it worth try to clean and rebuild this carb or should I just swap in a new OE WT-194? I'm seeing OEM Tillotson RK-14HU kits for ~$20 or so, and new OE WT-194's for $80 or so. I...