2006-2012 Honda TRX90 TRX90EX/X Service Manual, Page 125Get this manual
CYLINDERPISTON PISTON PINCONNECTING ROD
Measure the .0of the piston pin
SERVICE UMIT: 12.98 mm (0.511 in)
Calculate the piston-to-piston pin clearance
SERVICE UMIT: 0.096 mm (0.0038 in)
Measure the connecting rod small end 1.0
SERVICE UMIT: 13.05 mm (0.513 in)
Calculate the connecting rod-to-piston pin clearance
SERVICE UMIT: 0.07 mm (0.003 in)
CYLINDERPISTON INSTALLATION
PISTON RING INSTALLATION