Martyn, The stepped "Norton" spray tube (928/107) is noted to be used with the "Norton" needle (928/104). What needle markings did you say was in your carb?
Spray Tubes Concentric -
622/074 Four stroke Cut straight across
622/075 Two stroke Cut at a slight angle from opposite side
622/123 Trident Cut at angle from mid point
928/107 Norton MKIII (special) Stepped Used with 928/104 needle
and here is needle marking list Concentric—
622/063 1 ring Two stroke used with 622/079 needle jet and 622/080 jet holder (600 series)
622/099 “Y” Alcohol
622/124 2 rings Four stroke used with 622/122 needle jet and 622/128 jet holder (600-900 series)
622/278 5 rings T160 2.725" o.a. (part of the Trident lean kit)
928/063 3 rings Two stroke used with 622/079 needle jet and 622/080 jet holder (900 series)
928/099 “Z” Alcohol
928/104 4 rings Four stroke (developed for Norton 850s)
Spray Tubes Concentric -
622/074 Four stroke Cut straight across
622/075 Two stroke Cut at a slight angle from opposite side
622/123 Trident Cut at angle from mid point
928/107 Norton MKIII (special) Stepped Used with 928/104 needle
and here is needle marking list Concentric—
622/063 1 ring Two stroke used with 622/079 needle jet and 622/080 jet holder (600 series)
622/099 “Y” Alcohol
622/124 2 rings Four stroke used with 622/122 needle jet and 622/128 jet holder (600-900 series)
622/278 5 rings T160 2.725" o.a. (part of the Trident lean kit)
928/063 3 rings Two stroke used with 622/079 needle jet and 622/080 jet holder (900 series)
928/099 “Z” Alcohol
928/104 4 rings Four stroke (developed for Norton 850s)
Hi Martyn, Can you post exactly what pieces are in this Amal Premier now?
Thank you for all the follow up on this issue
Craig
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