Yamaha YZF-R1M Fork Seals
The Yamaha YZF-R1M runs a 43 mm front fork.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
| Kit | Years | Seal size | Replaces OEM |
|---|---|---|---|
| 57-102 | 2015–2025 | n/a | n/a |
| 55-157 | 2015–2025 | n/a | n/a |
| 56-191 | 2015–2025 | n/a | n/a |
Verified fork kits we stock for your Yamaha YZF-R1M

Fork Seal Kit
Fork Dust Seal Kit — Aprilia Tuono 1100 V4
$19.50

Fork Seal Kit
Fork Oil Seal Kit — Aprilia RSV4 FACTORY
$19.12

Fork Seal Kit
Fork Oil & Dust Seal Kit — Aprilia RSV4 FACTORY
$45.76
Fork oil for your Yamaha YZF-R1M
A fork-oil change on the Yamaha YZF-R1M uses 5wt fork oil. Factory fill: Yamaha Suspension Oil 01 (~5wt).














