Kawasaki Ninja 400 Fork Seals

The Kawasaki Ninja 400 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
KitYearsSeal sizeReplaces OEM
55-119 2018–2023 41x54x11 BMW 31422312838, BMW 31428358444
57-115 2018–2023 n/a n/a
38-6137 (bushings) 2018–2023 n/a n/a

Verified fork kits we stock for your Kawasaki Ninja 400

Fork Oil Seal Kit — BMW F650 (1997-1999) + 353
Fork Seal Kit
Fork Oil Seal Kit — BMW F650 (1997-1999) + 353
$18.24
Fork Dust Seal Kit — BMW F650 (1997-1999) + 325
Fork Seal Kit
Fork Dust Seal Kit — BMW F650 (1997-1999) + 325
$19.50
Fork Bushing Kit — Honda CB300F (2019) + 16 more
Fork Bushing Kit
Fork Bushing Kit — Honda CB300F (2019) + 16 more
$62.15

Fork oil for your Kawasaki Ninja 400

A fork-oil change on the Kawasaki Ninja 400 uses 10wt fork oil. Factory fill: KYB KHL-15-10 / Showa SS (~10wt).

Maxima Fork Oil 10W — 1 Liter
Fork Oil
Maxima Fork Oil 10W — 1 Liter
$13.99
Motorex Racing Fork Oil 10W — 1 Liter
Fork Oil
Motorex Racing Fork Oil 10W — 1 Liter
$19.99