What fork seal fits a KTM 400 LC-4?

The KTM 400 LC-4 uses a 50 mm upside-down fork with 50x60x10.5 oil seals. We stock the manufacturer-verified seal and bushing kits for it; matching is done off the verified application list, not just the seal size.

What size is the KTM 400 LC-4 fork?

The KTM 400 LC-4 has a 50 mm upside-down fork with 50x60x10.5 oil seals.

Can I use any seal with the same dimensions?

No. Fork seals can share a size and still not seat correctly in a different fork design, so use the seal verified for your bike. The kits listed here are confirmed by the manufacturer to fit the KTM 400 LC-4.

KTM 400 LC-4 Fork Seals

Q: What fork oil does the KTM 400 LC-4 use?

The KTM 400 LC-4 uses 5wt fork oil (factory fill Fork oil SAE 5 (classic WP)).

The KTM 400 LC-4 runs a 50 mm upside-down front fork, oil seal 50x60x10.5 (WP 50mm Extreme USD (KTM EXC/MXC/SX 1997-1999)).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.