2009-2011 Honda FourTrax Rancher AT TRX420FA/FPA Service Manual, Page 230Get this manual

2009-2011 Honda FourTrax Rancher AT TRX420FA/FPA Service Manual, Page 230

Quality of the image is intentionally reduced!

CYLINDER HEADNALVE bolt and bearing setting plate
Check the cam surfaces for scoringscratches or evidence of insufficient lubricationCheck the cam sprocket teeth for wear or damageTum the outer