2009-2011 Honda FourTrax Rancher AT TRX420FA/FPA Service Manual, Page 210Get this manual
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CYLINDER HEADNALVE
5.95 5.93 6.03 0.12 0.14
(0 .234) (0.233) (0.237) (0 .005) (0.006) -
Valve spring Rocker arm
Camshaft and cam follower
Cam