ZETA Rear Brake Fluid Reservoir Cap ze86-6101 F6450 ZETA ZETA rear brake fluid reservoir cap F6450. See if it fits your bike. Kawasaki KFX 450 R Kawasaki KLX 230 Kawasaki KLX 230 R Kawasaki KLX 300 R Kawasaki KLX 450 R Kawasaki KX 125 Kawasaki KX 250 Kawasaki KX 250 F Kawasaki KX 250 X Kawasaki KX 450 Kawasaki KX 450 F Kawasaki KX 450 X