1988-1994 Honda TRX300 Fourtrax, 1988, 1990-1994 TRX300FW Fourtrax Service Manual, Page 209Get this manual
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BRAKE FLUID REPLACEMENTAIR LEEDING
Connect bleed hose to the bleed valveLoosen the bleed valve and pump the brake leverStop pumping the lever when no more fluid flows out of the bleed valve