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| Manufacturer:
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Norton
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| Years:
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1971-1972 (8)
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| Model:
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Commando
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| Engine:
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750cc
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| Right Carb:
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R930/63
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| Left Carb:
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R930/64
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| Main Jet:
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180
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| Needle Jet:
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106
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| Throttle Valve:
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3
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| Pilot Jet:
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ACK: Bush | PACK #17 but we supply #19
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| Needle Position:
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2
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| Needle:
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Std
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| Spray Bar:
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Std
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| ACK/PACK:
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| Notes:
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Amal does not list this in their catalog but they have record of receiving a specification from Andover.
Based on the specification date, they were probably used for the beginning of 1971.
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When ordering carbs from Amal, you can order by "ACK" or "PACK" number. "ACK" is standard carbs and "PACK" is premier. Everything above is for standard carbs. The Premier versions are jetted the same except for the pilot jet which is removable rather than the "bush" listed above. Amal builds premiers for Norton 750s with #17 pilot jets, and #19 for Norton 850s. As of mid-2021, the carbs are made of aluminum rather than a zinc alloy. Considering how much better the premier carbs are, we do not recommend or sell the standard carbs.
There is no PACK number for these but they can be ordered individually.
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