Hitachi DCx carburetors have different specifications depending on market, year, state and other factors.
Instruction Sheet
Hitachi DCH306 ID boss
Hitachi DCH306
North American Models
Carburator Models
| Year | Engine | Hitachi Model
|
| 1971 | A12 | Hitachi DCG306
|
| 72-73 | A12 | Hitachi DCH306
|
| 74 | A13 | Hitachi DCH306
|
| 75-76 | A14 | Hitachi DCH306
|
Primary Main Jet - North American Models
| Year | Jet Size
|
| 1971 | No. 98
|
| 1972 | No. 97
|
| 1973 | No. 95
|
| 1974 | No. 104
|
| 1975-76 California | No. 104
|
| 1975-76 | No. 102
|
| 1977-78 California Manual Trans. | No. 105
|
| 1977 | No. 104
|
| 1978 California Manual Trans. | No. 105
|
| 1978 | No. 104
|
| 1978 Federal | 5-speed No. 107
|
Main Air Bleed
| 71-73 No. 80
|
| 74 No. 65
|
| 75-77 No. 95
|
| 1978 All California No. 95
|
| 1978 Four-speed No. 110
|
| 1978 Five-speed No. 65
|
| 1978 Automatic No. 95
|
Secondary Main Jet
| Year | Jet Size
|
| 1971 | No. 135
|
| 1972-73 | No. 140
|
| 1974 | No. 145
|
| 1975 | No. 150
|
| 1976 | No. 145
|
| 1977-78 | No. 145
|
Secondary Air Bleed
| Year | Jet Size
|
| 71-78 | No. 80
|
| 1977 California 5-speed | No. 60
|
Primary Slow Jet
| Year | Jet Size
|
| 1971-74 | No. 43
|
| 1975-78 | No. 45
|
| 1978 non-California 5-speed | No. 46
|
Secondary Slow Jet
| Year | Hitachi Model
|
| 71-76 | No. 50
|
Australia Model Specifications
Japan Market Specfications
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