2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 253Get this manual
CRANKSHAFTAUTOMATIC TRANSMISSION
SERVICE INFORMATION
GENERAL
The crankcase halves must be separated to service the crankshaft and automatic transmission (mainshaft)To service these parts, the engine must be removed from the frame (page 7-4) For electrical system of the Hondamatic (page 24-2) The engine oil is used for automatic transmission oilFor lubrication system service(page 4-2) Be careful not to damage the crankcase mating surfaces when servicing Cylinder head section lubricating oil is fed through the oil passage in the crankcaseClean the oil passages before assembling the crankcase halves Do not disassemble the automatic transmission unitReplace the automatic transmission unit as an assembly when it is faulty