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Honda CH250 1989 Service Manual page 14

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General Information
Torque Values
Standard
1 -
Torque
' I
I
Torque
Fastener Type
L _ ---- - - _
Fastener Type
f-- -
- - ----
I
N'm Ikg-m. It-Ib)
"
-+
N'm
Jkg-m---!t~b_l_
5 mm hex bolt and nut
,---S-{O.5,
i51--TS
rnrn
sc~ew
- - - - - - - -
I
4
(004, 3)
6
mm
hex bolt and nut
10 (1.0, 7.2)
6 mm screw
9 {D.9, 7l
I
8
mm hex bnlt and nut
22 12.2. 161
6
mm flange bolt
18
mm headl
910.9. 71
10
mm hex bolt and nut
3513,5.251
6
mm flange bolt
110
mm head I and nut
1211.2,91
12 mm hex bolt and nut
55 (5,5,
4 0 ) ~ m m
flange bolt and nut
27 (2.7, 20)
I
10
mm flange bolt and nut
40 14.0, 291
--~~---
The torque specifications listed below are for tasteners at specific tightening points.
Others should be tightened to standard torque values listed above.
Notes:
1. Apply sealant to the threads.
2. Apply a locking agent to the threads.
3. Apply molybdenum disulfide oil to the threads and flange surface.
4. Left hand threads.
5. Stake.
6. Apply oil to the threads and flange surface.
7.
Apply clean engine oil to the a-ring.
8.
Torque wrench scale reading using a special tool.
9.
Apply grease to the threads and flange surface.
10.
UBS bolt.
\
Engine
Item
____
I
---l
Q'
I
Threed
~+ di.~ml
Torque
I
N'm (kg-m, ft-Ibl
+--------t
Remarks
Lubrication:
I
Right crankcase flange bolt
I
10
I
6
1211.2,91
Right crankcase cover flange bolt
I
11
I
6
1211,2,91
I
Oil pump cover attaching SCrew
oil'
filter screen cap special bolt
I
~
I
3
30
2 10.2. 1.41
20 12,0, 151
I
Fuel system:
Carburetor throttle cable stay screw
I
2
I
5
5 10.5, 3.61
Note
2
Carburetor insulator band bolt
5
510,5.3,61
Cooling system:
I
1
' I
Water pump impeller
7
1211.2,91
Cylinder head, cylinder. piston:
Cylinder head cover bolt
I
6
I
6
1211.2.91
Cylinder head cap nut
Spark plug
I
~
I
8
12
24 12.4. 181
1811,8,131
Cylinder stud bolt (crankcase side)
B
910.9.71
Cam chain tensioner base bolt
~
I
6
1211.2,91
Cam chain tensioner sealing bolt
11
22 12,2, 161
Thermo sensor
~
I
PTl/8
1011.0,7.21
Exhaust pipe stud spcial bolt (cylinder head side)
2
8
910.9.6.51
Drive train:
Drive face nut
1
I
14
110111.0,801
Drive face seal cover bolt
Clutch outer flange nut
3
1
I
4
12
33 10,33. 2.41
7517,5.541
Moveable driven face special nut
1
30
8018.0, 581
Final reduction cover bolt
7
8
27127.201
Final reduction oil check bolt
1
8
1311.3,111
Final reduction oil drain bolt (Left crankcase)
1
8
1311,3,111
Belt cover special bolt
2
6
1011.0,7.21
Rear brake shoe anchor pin flange lock nut
1
8
1811.8.131
1-10

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This manual is also suitable for:

Elite 250 1989