2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 149Get this manual
CYLINDER HEADIVALVEICAMSHAFT
SERV ICE INFORM ATI ON
GENERAL
This section covers service of the rocker arm s, cyl inder hea d, valves and camshaftThese services can be done with the engi ne nst all ed in the fram When disassembling, mark and store the disassembled parts to ensure hat hey are reinstalled their rigi nal loca tion Clean all disassembled pa rts ith cl eani ng so lve nt and dry hem by blowi ng he off with compressed ai befo re inspection Rocker arm, valve and camshaft lubricating il is ed rough oi passages in the cy linder head and head coverClean he passag es before assembl ng cy lin der head and ead cover Be ca refu not to dam age he mating surfaces hen removing th cy linder head cover and cy linder head
SPECIFICATION S
Unit' mm (i n) ITEM
compression at 390 rpm
Valv clearance
STANDARD 510 kPa (5.2 kgfcm .74 psi) 0.15 (0.006)
Valv e, valve guide Valve stem .0
6.33 (0 .013 )
5.45 (0.215) 5.43 (0.214)
5.4755.490 (0.21560.2 161)
I-Valve guide 1.0
tStemto-guc clearance :' Tle