What fork seal fits a Kawasaki Ninja ZX-6R?

The Kawasaki Ninja ZX-6R uses a front fork that changed across model years: 41 mm (1995–1997), 46 mm (1998–2002), 41 mm (2003–2004), 41 mm (2005–2006), 41 mm (2007–2008), 41 mm (2009–2012), 41 mm (2013–2018), 41 mm (2019–2023), 41 mm (2024–2026). 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 ZX-6R fork?

The Kawasaki Ninja ZX-6R has a front fork that changed across model years: 41 mm (1995–1997), 46 mm (1998–2002), 41 mm (2003–2004), 41 mm (2005–2006), 41 mm (2007–2008), 41 mm (2009–2012), 41 mm (2013–2018), 41 mm (2019–2023), 41 mm (2024–2026).

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 ZX-6R.

Kawasaki Ninja ZX-6R Fork Seals

Q: What fork oil does the Kawasaki Ninja ZX-6R use?

The Kawasaki Ninja ZX-6R uses 5wt fork oil, about 360 ml per leg.

Fork specs for the Kawasaki Ninja ZX-6R 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.

Years	Fork tube
1995–1997	41 mm
1998–2002	46 mm
2003–2004	41 mm
2005–2006	41 mm
2007–2008	41 mm
2009–2012	41 mm
2013–2018	41 mm
2019–2023	41 mm
2024–2026	41 mm

Kit	Years	Seal size	Replaces OEM
55-117	2003–2004	41x53x8	Aprilia 2B004402
55-119	2005–2025	41x54x11	BMW 31422312838, BMW 31428358444
55-125	1998–2002	46x58x10	Honda 51490-MW0-003
55-137	1988–1997	38x50x8	n/a
57-103	1998–2002	n/a	n/a
57-107	2003–2004	n/a	n/a
57-115	2005–2025	n/a	n/a
56-166	1988–1997	n/a	n/a