What fork seal fits a Kawasaki Ninja 250?

The Kawasaki Ninja 250 uses a front fork that changed across model years: 35 mm (1986–1987), 36 mm (1988–2007), 37 mm (2008–2015). 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 Kawasaki Ninja 250 fork?

The Kawasaki Ninja 250 has a front fork that changed across model years: 35 mm (1986–1987), 36 mm (1988–2007), 37 mm (2008–2015).

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 Kawasaki Ninja 250.

Kawasaki Ninja 250 Fork Seals

Q: What fork oil does the Kawasaki Ninja 250 use?

The Kawasaki Ninja 250 uses 10wt fork oil (factory fill KYB KHL-15-10 / Showa SS (~10wt)).

Fork specs for the Kawasaki Ninja 250 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	Fork
1986–1987	35 mm	showa
1988–2007	36 mm	showa
2008–2015	37 mm	showa

Kit	Years	Seal size	Replaces OEM
55-108	1986–1987	35x48x11	n/a
55-109	1988–2007	36x48x11	Kawasaki 92049-1226
57-110	1988–2007	n/a	n/a
57-112	1986–1987	n/a	n/a
56-115	1986–1987	n/a	n/a
56-119	1988–2007	n/a	n/a
38-6103 (bushings)	2008–2012	n/a	n/a