Triumph Thunderbird Sport Fork Seals
The Triumph Thunderbird Sport 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 |
|---|---|---|---|
| 55-122 | 1998 | 43x55x10.5 | Yamaha 5VX-23145-00-00 |
| 55-123 | 1999–2004 | 43x55x9.5 | Kawasaki 92049-0074, Yamaha 1C3-23145-L0-00 |
| 57-102 | 1998–2004 | n/a | n/a |
| 56-135 | 1998 | n/a | n/a |
| 56-137 | 1999–2004 | n/a | n/a |
| 38-6086 (bushings) | 1998–2004 | n/a | n/a |
Verified fork kits we stock for your Triumph Thunderbird Sport
Fork Seal Kit
Fork Oil Seal Kit — Ducati Paul Smart 1000LE
$18.24
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 — Ducati Paul Smart
$39.78
Fork Seal Kit
Fork Oil & Dust Seal Kit — Beta XTRAINER 250
$39.78
Fork Bushing Kit
Fork Bushing Kit — Kawasaki ZR1100 ZRX
$53.25
Fork oil for your Triumph Thunderbird Sport
A fork-oil change on the Triumph Thunderbird Sport uses 10wt fork oil. Factory fill: Showa SS-8 / Kayaba (SAE 10).
