1997 Yamaha YFM600FWAK ATV Service Manual, Page 246Get this manual
FRONT BRAKE
Oil delivery passage (brake caliper body) Blockage -t Blowout with compressed air
A WARNING
Replace the caliper piston seal and dust seal whenever the brake caliper is disassembled
CALIPER ASSEMBL V
A WARNING
All internal brake components should be cleaned and lubricated with new brake fluid only before installation
Recommended brake fluid: DOT 4