1986-1989 Honda TRX250 FourTrax 250R Service Manual, Page 60Get this manual
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5CYLINDER HEADCYLINDERPISTON SERVICE INFORMATION TROUBLESHOOTING
SERVICE LIMIT 0.07 (0 )03) 66 .07 (2.60; 2) 66 .06 (2 .6008) 0.03 (0.001) 0.03 (0.001) 0.05 (0.002) 65.90 (2.5945) 65.89 (2.5941)