ENGINE
CS-501SX, CS-501SXH
501sx
54
D
D
8-9 Replacing ball bearing and oil seal
1. After disassembling crankshaft, check ball bear-
ing for smooth rotation. If rough, replace it (them)
with new one.
NOTE:
At the same time, replace oil seal with new
one.
2. Remove ball bearing from crankcase half using
bearing tool 897701-14732 as follows.
3. Set shaft (A) through oil seal (B) and ball
bearing (C), with boss (D) as shown.
4. Tighten shaft (A) with wrench to remove ball
bearing (C) and Oil seal (B).
5. Coat bearing housing in crankcase with a lithium
based grease.
6. Set ball bearing with shaft (A), adapter (G) (inner
dia. 15 mm, outer dia. 40 mm) and boss (D).
NOTE:
Set adapter (G) mating full fl at side (g) to
ball bearing.
7. Tighten shaft (A) with wrench to press ball bear-
ing into the crankcase half until fl ush.
8. Check that bearing rotates smoothly.
A
G
A
A
D
B
C
Crankcase
D
G
A
C
Crankcase
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