1984 Official Honda TRX200 Shop Manual, Page 188Get this manual
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BRAKE DRUM BEARING INSPECTION
Replace the bearings ith new ones if they are noisy or have excessive play SERVICE LIMIT: RADIAL: 0.05 mm (0 .002 in) AXIAL0.10 mm (0.004 in) SERVICE LIMIT0.10 mm (0 .004 n) SERVICE LIMIT.05 mm (0.002 in)