2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 516Get this manual
TECHNICAL FEATURE HYDRAULIC VALVE FUNCTION Linear Solenoid Valve It control th ve hic le creep by divert ing the hyd rauli pr essure that fl ows to th ent re clutch sys te he linear valve Shift Solenoid Valves (A and B) The shift so leno id va lves cont ro th shift timing by supp ly ing and shutt ing off hy draulic pr essure act ivate the shift
valves Shift Valves (1-2 and 2-3) he shift va lves switc th hydraulic circ uits the three clutc hes Orifice Control Valve (2nd and 3rd) he or ifice cont ro valves operate he clutc fluid pressure rises during shifting It rel eases he pr essure to red uce shift shoc Emergency Valve The eme rge ncy valve is used hen th hy rau li pr essure is shut off by he faulty lin ear so le no id va lve (stuc k; mechan ical lock), and th ve hi cle is hindered fr om runningOpe th bypa ss il circ uit anuall to supp ly hydraul ic fluid (In hi caseth tr an sm issi on is held in 2nd ran and th ve hicle cree ps during idlin g)