Here is the information gleaned from the factory manuals regarding the camshaft profiles of the Honda CX and GL motorcycles. Looking for the camshaft part numbers to match these profiles? See here.
Zero lift
Model |
Intake Opens |
Intake Closes |
Exhaust Opens |
Exhaust Closes |
CX500 (CDI) |
75° BTDC |
115° ABDC |
111° BBDC |
71° ATDC |
CX500 (TI), CX400E Sports, CX500E Sports, GL500, GL500I |
79° BTDC |
123° ABDC |
114° BBDC |
85° ATDC |
CX650E, CX650C, GL650, GL650I |
87°50′ BTDC |
121°04′ ABDC |
107°26′ BBDC |
82°26′ ATDC |
CX500 Turbo |
77° BTDC |
110° ABDC |
98° BBDC |
83° ATDC |
CX650 Turbo |
84° BTDC |
108° ABDC |
80° BBDC |
104° ATDC |
1mm lift
Model |
Intake Opens |
Intake Closes |
Exhaust Opens |
Exhaust Closes |
CX500 (CDI) |
6° BTDC |
46° ABDC |
46° BBDC |
6° ATDC |
CX500 (TI), CX400E Sports, CX500E Sports, GL500, GL500I |
6° BTDC |
46° ABDC |
46° BBDC |
6° ATDC |
CX650E, CX650C, GL650, GL650I |
7° BTDC |
53° ABDC |
40° BBDC |
15° ATDC |
CX500 Turbo |
5° BTDC |
30° ABDC |
30° BBDC |
5° ATDC |
CX650 Turbo |
5° BTDC |
30° ABDC |
30° BBDC |
5° ATDC |