Pressure Relief Valve; In-Set Type Oil Pump - Honda Motorcycle Service Manual

LUBRICATION
Measure the side clearance (rotor side-to-body) with a straight
edge and feeler gauge.
NOTE
If there is a cover gasket, measure the clearance with the
gasket installed.
Refer to the Model Specific manual for all clearance
s~ecifications.
NOTE
PLUNGER TYPE
-
Do not disassemble and try to repair a two-stroke oil
pump: it will not operate properly once reassembled.
Replace the pump if it is warn or damaged.
O-RING
Remove the oil pump and inspect for the following:
- Worn or damaged pump gear
-
Oil leaks from seals
- Binding pump shaft
GEAR
Connect the oil tube from the oil tank to the suction side, then
I
turn the shaft. Check that oil flows out of the outlet.
PRESSURE RELIEF VALVE
Remove the snap ring, washer, spring and valve from the valve
body.
Check the valve and body for wear, scratches or damage.
Check the snap ring groove for damage. If the snap ring groove
is damaged, the oil supply will be reduced and the engine may
seize.
NOTE
.
Install the valve with the open side facing toward the
spring.
In-Set Type Oil pump
Remove the cotter pin, seat, spring and valve.
Check the valve for wear or damage.
NOTE
.
Install the valve with the closed side facing the spring.
VALVE
COTTER
SPRING PIN
Date of Issue: Nov.. 1989
O
HONDA MOTOR CO.. LTD.