Yamaha SRX440 1980 Service Manual page 14

8. Piston pin and bearing inspection
a. Check the pin for signs of wear. If any
wear is evident. replace pin and bearing.
1980 SRX440
Tightening torque:
First: 10 Nm (1.0 m-kg)
Final: 22 Nm (2.2 m-kg)
Tightening torque:
40 Nm (4.0 m-kg)
.
c. After reassembly, apply a liberal coating
of two-stroke oil to the crank pin, bear-
ing and into each crankshaft bearing oil
delivery hole.
d. Check crankshaft for freedom of move-
ment.
7. Engine bracket installation
Install the engine brackets in the correct
position.
2-8
b. Check the pin and bearing for signs of
heat discoloration. If excessive (indenta-
tion on pin, etc.). replace pin and bear-
In.
c. Check the bearing cage for excessive
wear or damage. Check the rollers for
signs of flat spots. If such wear is found,
replace pin and bearing.
d. Apply a light film of oil to pin and bear-
ing surfaces. Install them in connecting
rod small end to inspect for wear. Check
for play. There should be no noticeable
vertical play. If play exists, check con-
necting rod small end for wear. Replace
pin, connecting rod and/or bearing, as
required.