2009-2011 Honda FourTrax Rancher AT TRX420FA/FPA Service Manual, Page 287Get this manual
Quality of the image is intentionally reduced!
CRANKCASEITRANSMISSIONCRANKSHAFTBALANCER MAINSHAFT:
M2M4 GEAR (19T28T) NEEDLE BEARINGS
Washer and snap ring direction:
: Gear and bushing sliding surfaces