2006-2009 Honda TRX250EX/TRX250X Service Manual, Page 64Get this manual
MAINTENANCE Coat new O-rings with engine oil and install them onto the valve adjusting hole capsInstall the hole caps and tighten them to the speci fied torque
TORQUE: 20 N'm !2.0 kgf-m15 Ibf.ft)
Coat new O-ring with engine oil and install it onto
the timing hole capInstall the hole cap and tighten it the specified torque
TORQUE: 10 N'm (1.0 kgf-mIbf.ft )