ENGINE
CS-2511TES
251Ts, 251TCs
67
8-11 Assembling crankshaft and crankcase
1. Clean mating surface of each crankcase half.
2. Heat ball bearing for easier installation. Then
insert crankshaft clutch end (A) into clutch side
crankcase half (B) until properly seated.
WARNING DANGER
When using a heat gun, wear gloves. Other-
wise, a burn will result.
3. Put new crankcase gasket (C) on clutch side
crankcase half (B).
NOTE:
Make sure to match hole position (D) of
crankcase gasket (C) and 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 three bolts (E) diagonally to secure
crankcase halves together, and check crankshaft
for smooth rotation.
NOTE:
If crankshaft doesn’t rotate smoothly, tap
both ends of crankshaft with plastic mallet several
times. And recheck crankshaft for smooth rotation.
6. Carefully remove excess portion (c) of crank-
case gasket (C) with sharp knife.
E
A
B
C
D
D
D
b
b
c
