1997 Yamaha YFM600FWAK ATV Service Manual, Page 86Get this manual
REAR BRAKE LEVER AND PEDAL ADJUSTMENTI FRONT BRAKE FLUID LEVEL INSPECTION _
.Inspect the free play (brake pedal) to see whether or not it is within the specified limitsIf not, perform the above steps againFree play (brake pedal): 20 30 mm (0.8 1.2 in) Loosen the locknut (handlebar) Turn the ,brake lever cable adjuster (handlebar) until the free play (brake lever) is within the specified limitsFree play (brake lever): mm (0.20 0.28 in) .Tighten the locknut (handlebar)
A WARNING
After this adjustment is performed, lift the front and rear wheels off the ground by placing block under the engine, and spin the rear wheels to ensure there is no brake dragIf any brake drag is noticed perform the above steps again