Yamaha TDR125 Fork Seals
The Yamaha TDR125 runs a 38 mm conventional front fork, oil seal 38x50x8.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 tube38 mm
- Oil seal size38x50x8
- Fork typeConventional
| Kit | Years | Seal size | Replaces OEM |
|---|---|---|---|
| 55-137 | 1993–2004 | 38x50x8 | n/a |
Verified fork kits we stock for your Yamaha TDR125
Fork oil for your Yamaha TDR125
A fork-oil change on the Yamaha TDR125 uses 10wt fork oil. Factory fill: SAE10W (KYB G10 / equiv).














