Buell Thunderbolt Fork Seals
The Buell Thunderbolt runs a 41 mm front fork, oil seal 41x54x11.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 tube41 mm
- Oil seal size41x54x11
| Kit | Years | Seal size | Replaces OEM |
|---|---|---|---|
| 55-119 | 1999–2001 | 41x54x11 | BMW 31422312838, BMW 31428358444 |
| 57-115 | 1999–2001 | n/a | n/a |
Verified fork kits we stock for your Buell Thunderbolt
Fork Seal Kit
Fork Oil Seal Kit — BMW F650 (1997-1999) + 353
$18.24
Fork Seal Kit
Fork Dust Seal Kit — BMW F650 (1997-1999) + 325
$19.50
Fork oil for your Buell Thunderbolt
A fork-oil change on the Buell Thunderbolt uses 15wt fork oil. Factory fill: H-D Type E (15wt) — Showa 41mm conventional.
