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IV. ENGINE
37
Inspection
1. Measure the pump rod-to-clutch outer clearance.
Standard value: O.O2S-0.07Smm (O.OOlO-O.OO30-in.)
Service limit:
O.lSmm (O.OOS9-in.)
2. Check the pump body-to-plunger clearance.
Standard value: O.O30-0.0S4mm (O.OO12-0.0021-in.)
Service limit:
O.2mm (O.OO79-in.)
3. Check the action of the steel ballo
Fig. 4-51
(1) Outside diameter of clutch outer
(2) lnside diameter of pump rod
Assembly
1. FilI theoil pump plunger bare with clean engine oi! before
installation. ,
2. Be sure to install the knock pin and a new O-ring under the
pump when installing the pump to the crankcase.
3. To assemble the clutch, refer to the relative descriptions
under CLUTCH in Item 7.
Fig. 4-52
(1) Knock pin
(2) Q-ring
4. lnstall the oil filter rotar to the crankshaft with the look
washers and the l6mm lock nut using "Lock Nut Wrench"
(Tool No. 07916-6390000), remove the lock nut.
Tightening torque: 450-550kg-cm (32.5-39.8
lbs-ft)
NOTES:
a. lostall the washer so that the marking "OUTSIDE"
is
faciog outside.
b. The lock washer should be aligned to the groove io the
rotolo
c. tosta" the lock nut with the larger chamfered side faciog
ioside.
(3) Lock washer
(4) Lock nut
Fig. 4-53
(1) Oil ffiter rotor
(2) Lock washer
5. Install the rotar cap so that its ribs afe lined up with the
groove in the rotor. Install the snap ring in the ring groove
in the rotar to lock the cap.
6. After assembling, start the engine and allow it to run at the
correct idle speed. Loosen the two cylinder head hold-down
cap nuts in the right side, Fig. 4-54, and see if oil is seeping
out from the gasketed surface at the copper washers. If so,
it is a good indication that the pump is operating properly.
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