ENGINE
CS-501SX, CS-501SXH
501sx
55
8-9 Replacing ball bearing and oil seal (continued)
9. Apply lithium based grease, ECHO XTended
Protection Lubricant or Red Armor Lubricant on in-
ner rubber lips of new oil seal.
10. Lubricate circumferences of new oil seal with
high melting point grease.
11. Push in new oil seal (A) until fl ush with crank-
case surface (B) using Oil seal tool X646-000360
(C).
8-10 Assembling crankshaft and crankcase
1. Clean mating surface of each crankcase half.
2. Insert crankshaft clutch end (A) into clutch side
crankcase half (B) until properly seated.
NOTE:
If it is hard to insert crankshaft to crank-
case, preheat ball bearing for easier installation.
3. Put new crankcase gasket (C) on clutch side
crankcase half (B).
4. Reassemble both crankcase halves together en-
suring that dowel pins (b) on clutch side crankcase
half (B) are properly seated in holes on the other
half.
5. Tighten 3 bolts (D) diagonally to secure crank-
case halves together, and check crankshaft for
smooth rotation.
6. Tighten other 2 bolts.
NOTE:
Tighten bolts referring to “1-3 Torque lim-
its”.
A
D
B
C
C
A
B
b
b
