Yamaha MX125 Fork Seals
Fork specs for the Yamaha MX125 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 typeConventional
| Years | Fork tube |
|---|---|
| 1974–1975 | 30 mm |
| 1976 | 34 mm |
| Kit | Years | Seal size | Replaces OEM |
|---|---|---|---|
| 55-102 | 1974–1975 | 30x40.5x10.5 | n/a |
| 55-133 | 1976 | 34x46x10.5 | n/a |
| 57-123 | 1974–1975 | n/a | n/a |
| 56-105 | 1974–1975 | n/a | n/a |
Verified fork kits we stock for your Yamaha MX125
Fork Seal Kit
Fork Oil Seal Kit — Kawasaki KE100 (1976-2001) +
$18.24
Fork Seal Kit
Fork Oil Seal Kit — Kawasaki KH400 (1974-1978) +
$19.12
Fork Seal Kit
Fork Oil & Dust Seal Kit — Kawasaki KE100
$38.50
Fork oil for your Yamaha MX125
A fork-oil change on the Yamaha MX125 uses 10wt fork oil. Factory fill: OE ATF/10W-30 engine oil (pre-fork-oil era); modern 10wt.
