HONDA Vintage Data Tables
Data taken from Honda, Chiltons and Clymers shop manuals
Float Setting
Air Screw Setting
Spark Plug
Spark Plug Gap
Point Gap
Valve Clearance
Valve Clearance

Model
mm/in
# of turns out
Type
mm/in
mm/in
Intake mm/in
Exhaust mm/in
Notes

C65/M

17.5/0.69
1.25
C7HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

C70

15.5/0.60
1.50
C7HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

C70M

15.5/0.60
1.125
C7HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

C90

21.0/0.83
1.00
D6HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CB100

24.0/0.95
1.50
D8ESL

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CB125

24.0/0.95
1.50
D8ESL

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CB125

21/0.82
1.125
D8HS/X24FS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CB175

21/0.82
0.875
D8HS/X24FS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CB200

21/0.82
1.250
D8HS/X24FS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CB350*

19/0.75
0.75
B8ES/W24ES

0.7-0.8/0.028-0.032

0.3-0.4/0.012-0.016

0.05/0.002

0.10/0.004

*Engine # 1000001-1045164

CB350*

21/0.83
1.00
B8ES/W24ES

0.7-0.8/0.028-0.032

0.3-0.4/0.012-0.016

0.05/0.002

0.10/0.004

*Engine # 1045165-1065278

CB350*

26/1.05
1.00
B8ES/W24ES

0.7-0.8/0.028-0.032

0.3-0.4/0.012-0.016

0.05/0.002

0.10/0.004

*Engine # 1065279-

CB350F

21/0.82
0.75
D8ESL

0.6-0.7/0.024-0.028

0.3-0.04/0.012-0.0016

0.05/0.002

0.05/0.002

CB350G

26/1.05
1.00
B8ES/W24ES

0.7-0.8/0.028-0.032

0.3-0.4/0.012-0.016

0.05/0.002

0.10/0.004

CB360

18.5/0.73
1.00
B8ES/W24ES

0.7-0.8/0.028-0.032

0.3-0.4/0.012-0.016

0.05/0.002

0.08/0.003

CB360G

18.5/0.73
1.00
B8ES/W24ES

0.7-0.8/0.028-0.032

0.3-0.4/0.012-0.016

0.05/0.002

0.08/0.003

CB360T

18.5/0.73
1.00
B8ES/W24ES

0.7-0.8/0.028-0.032

0.3-0.4/0.012-0.016

0.05/0.002

0.08/0.003

CB400F

21/0.82
2.00
D8ESL

0.7-0.8/0.028-0.032

0.3-0.04/0.012-0.0016

0.05/0.002

0.05/0.002

CB450

20.0/0.79
1.00
B8ES/W24ES

0.7-0.8/0.028-0.032

0.3-0.4/0.012-0.016

0.03/0.0012

0.03/0.0012

CB500T

20.0/0.79
1.50
B8ES/W24ES

0.7-0.8/0.028-0.032

0.3-0.4/0.012-0.016

0.03/0.0012

0.03/0.0012

CB550

22/0.87
1.00
D7ES

0.7-0.8/0.028-0.032

0.3-0.04/0.012-0.0016

0.05/0.002

0.08/0.003

CB550F

22/0.87
1.00
D7ES

0.7-0.8/0.028-0.032

0.3-0.04/0.012-0.0016

0.05/0.002

0.08/0.003

CB750

26/1.02
1.00
D8ESL

0.7-0.8/0.028-0.032

0.3-0.04/0.012-0.0016

0.05/0.002

0.08/0.003

CB750 F

26/1.02
1.00
D8ESL

0.7-0.8/0.028-0.032

0.3-0.04/0.012-0.0016

0.05/0.002

0.08/0.003

CD100

24.0/0.95
1.50
D8ESL

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CD125

24.0/0.95
1.50
D8ESL

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CD90

21.0/0.83
1.25
D6HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CJ360T

18.5/0.73
1.00
B8ES/W24ES

0.7-0.8/0.028-0.032

0.3-0.4/0.012-0.016

0.05/0.002

0.08/0.003

CL100

24.0/0.95
1.50
D8ESL

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CL125

24.0/0.95
1.50
D8ESL

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CL125

21/0.82
1.125
D8HS/X24FS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CL175

21/0.82
0.875
D8HS/X24FS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CL200

21/0.82
0.625
D8HS/X24FS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CL350*

19/0.75
0.75
B8ES/W24ES

0.7-0.8/0.028-0.032

0.3-0.4/0.012-0.016

0.05/0.002

0.10/0.004

*Engine # 1000001-1045164

CL350*

21/0.83
1.00
B8ES/W24ES

0.7-0.8/0.028-0.032

0.3-0.4/0.012-0.016

0.05/0.002

0.10/0.004

*Engine # 1045165-1065278

CL350*

26/1.05
1.00
B8ES/W24ES

0.7-0.8/0.028-0.032

0.3-0.4/0.012-0.016

0.05/0.002

0.10/0.004

*Engine # 1065279-

CL360

18.5/0.73
1.00
B8ES/W24ES

0.7-0.8/0.028-0.032

0.3-0.4/0.012-0.016

0.05/0.002

0.08/0.003

CL450

20.0/0.79
1.00
B8ES/W24ES

0.7-0.8/0.028-0.032

0.3-0.4/0.012-0.016

0.03/0.0012

0.03/0.0012

CL70

7.0/0.3
1.125
C7HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CL90/L

19.5/0.78
1.50
D6HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CR125

20.0/0.79
1.50
B9EV

0.5-0.6/0.020-0.024
----
----
----

CR250

24.0/0.95
1.50
B9EV

0.5-0.6/0.020-0.024

0.3-0.5/0.012-0.020
----
----

CT70/H

20.0/0.78
1.75
C7HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CT90

21.0/0.83
1.50
D8HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CT90*

21.5/0.85**
1.125
D8HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

*From frame # 000001A
**K1- 23.5/0.94

CT90*

20.0/0.78
1.00
D8HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

*K2-on

MR175

20.0/0.79
1.25
B8ES

0.6-0.7/0.024-0.028

0.2-0.6/0.008-0.024

----

----

MT125

24.0/0.95
1.25
B8ES

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

----

----

MT250

20.0/0.79
1.25
B8ES

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

----

----

S65

19.5/0.8
1.50
C7HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

S90

19.5/0.78
1.25
D6HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

SL100

24.0/0.95
1.50
D8ESL

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

SL125

24.0/0.95
1.50
D8ESL

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

SL125

21/0.82
1.125
D8HS/X24FS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

SL175

21/0.82
1.125
D8HS/X24FS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

SL350*

26/1.05
0.75-1.00
B8ES/W24ES

0.7-0.8/0.028-0.032

0.3-0.4/0.012-0.016

0.05/0.002

0.10/0.004

*K1-K2 25/0.98

SL70

7.0/0.28
1.50
C7HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

SL90

5.0/0.2
1.25
D8HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

ST90

21.0/0.83
1.50
D8HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

TL125*

21.5/0.85
0.75-1.00
D8ESL

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

*to 75

TL125*

24.0/0.95
1.00
D8ESL

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

*76

XL100

24/0.94
1.50
D8ESL/X24ES

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

XL125

24/0.94
1.50
D8ESL/X24ES

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

XL175

22.50.89
1.00
B7ES/W22ES

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

XL250

24/0.94
1.25
D8ESL/X24ES

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

XL350

18/0.72
1.25
D8ESL/X24ES

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

XL70

7/0.28
1.375
C7HS/U22FS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

XR75

21/0.83
1.25
C7HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

Z50A

18/0.7*
1.125
C6H

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

*K3-on 16.5/0.65
Selected Oldies
Up to 67

CD175

28/1.1
1.00
D8HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CD175A

28/1.1
1.00
D8HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CD125

21/0.827
1.125
D6HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CD125A

21/0.827
1.125
D6HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

SS125A

21/0.827
1.125
D10HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CL125A

21/0.827
1.125
D10HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

Up to 69

CA160

19.5/0.76
1.25
D8H

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.03-0.05/0.0011-0.002

0.03-0.05/0.0011-0.002

CB160

19.5/0.76
1.25
D8H

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.03-0.05/0.0011-0.002

0.03-0.05/0.0011-0.002

CL160

19.5/0.76
1.25
D8H

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.03-0.05/0.0011-0.002

0.03-0.05/0.0011-0.002

Up to 63

C100

19.5/0.76
1.25
C7HW

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05-0.10/0.002-0.004

0.05-0.10/0.002-0.004

C102

19.5/0.76
1.25
C7HW

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05-0.10/0.002-0.004

0.05-0.10/0.002-0.004

C110

19.5/0.76
1.25
C7HW

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05-0.10/0.002-0.004

0.05-0.10/0.002-0.004

C110D

19.5/0.76
1.25
C7HW

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05-0.10/0.002-0.004

0.05-0.10/0.002-0.004

Up to 67

S90

19.5/0.76
1.25
D6HW

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CL90

19.5/0.76
1.375
D6HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CD90

19.5/0.76
1.25
D6HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

C90

19.5/0.76
1.00
D6HW

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

CT90

19.5/0.76
1.375
D6HS

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.05/0.002

0.05/0.002

Up to 63

C92

7.0-8.0/0.28-0.32
1.50
C7H

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.10/0.004

0.10/0.004

CS92

7.0-8.0/0.28-0.32
1.50
C10H

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.10/0.004

0.10/0.004

CB92

7.0-8.0/0.28-0.32
1.50
C10H

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.10/0.004

0.10/0.004

C95

7.0-8.0/0.28-0.32
1.50
C7H

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.10/0.004

0.10/0.004

CA95

7.0-8.0/0.28-0.32
1.50
C10H

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.10/0.004

0.10/0.004

Up to 60

C72

26.5/1.0433*
1.25
D8H

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.09-0.11/0.0035-0.0043

0.09-0.11/0.0035-0.0043

*22.5/0.885 in Pw 26 carbs

CS72

26.5/1.0433*
1.25
D8H

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.09-0.11/0.0035-0.0043

0.09-0.11/0.0035-0.0043

*22.5/0.885 in Pw 26 carbs

CB72

26.5/1.0433*
1.25
D8H

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.09-0.11/0.0035-0.0043

0.09-0.11/0.0035-0.0043

*22.5/0.885 in Pw 26 carbs

C77

26.5/1.0433*
1.25
D8H

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.09-0.11/0.0035-0.0043

0.09-0.11/0.0035-0.0043

*22.5/0.885 in Pw 26 carbs

CS77

26.5/1.0433*
1.25
D8H

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.09-0.11/0.0035-0.0043

0.09-0.11/0.0035-0.0043

*22.5/0.885 in Pw 26 carbs

CB77

26.5/1.0433*
1.25
D8H

0.6-0.7/0.024-0.028

0.3-0.4/0.012-0.016

0.09-0.11/0.0035-0.0043

0.09-0.11/0.0035-0.0043

*22.5/0.885 in Pw 26 carbs