1986-1989 Honda TRX250 FourTrax 250R Service Manual, Page 129Get this manual
FRONTWHEELSUSPENSIONSTEERING Keep the breaker arm horizontal and align the end of the com pressor bolt with the arm hole
Screw in the breaker arm compressor bolt to break the bead from the tireIf the rest of the bead cannot be pushed down into the center of the rim, remove and reposition the compressor and arm 18 to 14the circumference of the rimTighten the compressor bolt to break the beadRepeat this procedure as necessary untilthe remainder of the bead can be pushed down into the center of the rim
If the bead breaking is difficult with the narrow end (A sidel of the breaker arm, use the wide end (B side) of the arm and reoeat th orocedure above