A U T O L U B E P U M P; Crankshaft - Yamaha CE50T Service Manual

'OSPEOT'ON AOO"EPA'" IENo
AUTOLUBE PUMP
Wear or an internal malfunction may cause pump
output to vary from the factory setting. This situa-
tion is, however, extremely rare. If improper out-
put is suspected, inspect the following:
1. Inspect:
®Delivery line
Obstructions_ Blow out.
cO-ring
Wear/Damage _ Replace.
2. Inspect:
_ ®Autolube pump drive gear teeth (_ .._ I_ oAutolube pump driven gear teeth (_
_i_?!i:!_!i !_ Pitting/Wear/Damage--* Replace.
F CRANKSHAFT
-= =- 1. Measure:
eRunout limit "C"
_Connecting rod big end side clearance "D"
oSmall end free play limit "'F"
Out of Specification_Replace.
Use V-Blocks, Dial Gauge and thickness
gauge.
Runout Limit "'C":
0.03 mm (0.0012 in)
Connecting Rod Big End Side
Clearance "D":
0.2-0,5 mm (0.008-0.02 in)
Small End Free Play:
0.4-0.8 mm (0.015-0.031 in)
2. Inspect:
oBearings (Crankshaft)
Spin the bearing inner race.
Excessive play/Roughness_ Replace.
Pitting / Damage_ Replace.
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