2006-2012 Honda TRX90 TRX90EX/X Service Manual, Page 153Get this manual
CLUTCHGEARSHIFT LINKAGE INSTALLATION Install the shift return spring pin and tighten it to the specified torqueTORQUE: 30 Nm (3.1 kgf.m22 IbUt)
Install the gearshift spindle into the crankcase by aligning the return spring ends with the spring pin
Install the four gearshift drum pins and two dowel pins while pushing down the gearshift arm