Beta 500 RR-S 4T Fork Seals
The Beta 500 RR-S 4T runs a 48 mm upside-down front fork, oil seal 48x58x8.5 (Sachs 48mm USD open cartridge (Beta RR 2013-2023) / WP XPLOR 48 USD closed cartridge (KTM EXC 2017+)).Every kit here is verified by the manufacturer to fit this exact bike. Fork seals can share a size and still not seat in a different fork, so we only list what is confirmed for your bike.
- Fork tube48 mm
- Oil seal size48x58x8.5
- Fork typeUpside-down
- ForkSachs 48mm USD open cartridge (Beta RR 2013-2023) / WP XPLOR 48 USD closed cartridge (KTM EXC 2017+)
| Kit | Years | Seal size | Replaces OEM |
|---|---|---|---|
| 55-132 | 2017–2021 | 48x58x8.5 | Honda 51490-MEN-A31, Honda 51490-MEN-003, Kawasaki 92049-0074, Yamaha 1C3-23145-L0-00 |
| 57-105 | 2017–2021 | n/a | n/a |
| 55-159 | 2022–2024 | n/a | n/a |
| 56-192 | 2022–2024 | n/a | n/a |
| 56-147 | 2017–2021 | n/a | n/a |
Verified fork kits we stock for your Beta 500 RR-S 4T
Fork Seal Kit
Fork Oil Seal Kit — Beta RR 2T 125 (2019-2023) +
$18.24
Fork Seal Kit
Fork Dust Seal Kit — Beta RR 2T 125 (2019-2023)
$19.50
Fork Seal Kit
Fork Oil & Dust Seal Kit — Beta RR 2T 125
$40.57
Fork oil for your Beta 500 RR-S 4T
A fork-oil change on the Beta 500 RR-S 4T uses 5wt fork oil. Factory fill: 5wt (ZF Sachs OC spec).
