Beta 350 RR 4T Fork Seals
Fork specs for the Beta 350 RR 4T vary by year (see the table below).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 typeUpside-down
| Years | Fork tube |
|---|---|
| 2011 | 50 mm |
| 2012–2019 | 48 mm |
| Kit | Years | Seal size | Replaces OEM |
|---|---|---|---|
| 55-130 | 2011 | 50x63x11 | n/a |
| 55-132 | 2012–2019 | 48x58x8.5 | Honda 51490-MEN-A31, Honda 51490-MEN-003, Kawasaki 92049-0074, Yamaha 1C3-23145-L0-00 |
| 57-105 | 2012–2021 | n/a | n/a |
| 57-140 | 2011 | n/a | n/a |
| 56-167 | 2020–2021 | n/a | n/a |
| 55-149 | 2020–2021 | n/a | n/a |
| 55-159 | 2023–2024 | n/a | n/a |
| 56-192 | 2023–2024 | n/a | n/a |
Verified fork kits we stock for your Beta 350 RR 4T
Fork Seal Kit
Fork Oil Seal Kit — Aprilia EVT Caponord
$19.12
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 RC 4T 450 (2025)
$40.73
Fork oil for your Beta 350 RR 4T
A fork-oil change on the Beta 350 RR 4T uses 5wt fork oil. Factory fill: 5wt (ZF Sachs OC spec).
