2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 222Get this manual
AUTOMATIC TRANSMISSION
SHIFT VALVE BODY
I NOTICE I
Do nor rop or strike the so len id val ves when servicingExcessive shock may damage the solenoid
EMERGENCY VALVE FUNCTION
NOTE: The emergency valve is used when the hydrau lic
p ressure is shut off by the aulty lin ear solenoid va lve (st uck; echanical lock), and the ve hic le is hi ndered ro ru nning Ope the bypass oil circuit anu all to supply hydraulic ress re (In his case, the transmission ill be fixed in the 2nd rang and th ve hicle cree ps during idli ng The stopper bolt hat operates th em erg ency