2004-2006 (2007) Honda TRX400FA Fourtrax Rancher / TRX400FGA Rancher AT GPScape Service Manual, Page 161Get this manual
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CYLINDER HEADVALVECAMSHAFT Turn the crankshaft with the recoil starter and align the nTn mark on the flywheel with the index mark on the rear crankcase coverINDEX MARK
Remove the dowel pins and