Pressure Relief Valve Removal/Inspection; Pressure Relief Valve Installation; Oil Pump Disassembly - Honda 2010 CRF250R Service Manual

PRESSURE RELIEF VALVE
REMOVALIINSPECTION
OIL PUMP
Remove the left crankcase cover (page 11-4 ).
Remove the snap ring and pressure relief valve from
the left crankcase cove r.
Remove the O-ring .
Check the pressure relief valve for damage or clogs.
Replace Ihe pressure relief valve if necessary
INSTALLATION
Apply engine oil to a new O-ring , and install it to Ihe
pressure relief valve.
Install the pressure relief valve into the left crankcase
cover.
Inslalithe snap ring securely.
Inslallthe left crankcase cover (page 11 -8 ),
DISASSEMBLY
Remove the engine from the frame (page 7-4 ).
Separate Ihe crankcase halves (page 12-13).
Remove Ihe dowel pins and gasket.
Remove the oil pump inner/outer rotors and oil pump
shaft from the left crankcase.
LUBRICATION SYSTEM
D-RING
I
DOWEL PINS
4-5