Yamaha IT400 Fork Seals
The Yamaha IT400 runs a 36 mm conventional front fork, oil seal 36x48x11.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 tube36 mm
- Oil seal size36x48x11
- Fork typeConventional
| Kit | Years | Seal size | Replaces OEM |
|---|---|---|---|
| 55-109 | 1976–1979 | 36x48x11 | Kawasaki 92049-1226 |
| 57-120 | 1976–1979 | n/a | n/a |
| 56-120 | 1976–1979 | n/a | n/a |
Verified fork kits we stock for your Yamaha IT400

Fork Seal Kit
Fork Oil Seal Kit — Honda XR200R (1984-2002) +
$19.12

Fork Seal Kit
Fork Dust Seal Kit — Honda XR200R (1984-2002) +
$19.87

Fork Seal Kit
Fork Oil & Dust Seal Kit — Honda XR200R
$40.57
Fork oil for your Yamaha IT400
A fork-oil change on the Yamaha IT400 uses 10wt fork oil. Factory fill: SAE10W (KYB G10 / equiv).













