Yamaha YZF-R9 Fork Seals
The Yamaha YZF-R9 runs a 43 mm front fork, oil seal 43x55x9.5.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 tube43 mm
- Oil seal size43x55x9.5
| Kit | Years | Seal size | Replaces OEM |
|---|---|---|---|
| 55-123 | 2025 | 43x55x9.5 | Kawasaki 92049-0074, Yamaha 1C3-23145-L0-00 |
| 57-102 | 2025 | n/a | n/a |
| 56-137 | 2025 | n/a | n/a |
Verified fork kits we stock for your Yamaha YZF-R9
Fork Seal Kit
Fork Oil Seal Kit — Beta XTRAINER 250
$19.12
Fork Seal Kit
Fork Dust Seal Kit — Aprilia Tuono 1100 V4
$19.50
Fork Seal Kit
Fork Oil & Dust Seal Kit — Beta XTRAINER 250
$39.78
Fork oil for your Yamaha YZF-R9
A fork-oil change on the Yamaha YZF-R9 uses 5wt fork oil. Factory fill: Yamaha Suspension Oil 01 (~5wt).
