On most BSA's the frame number is located in the following places.It is always stamped; raised numbers are casting part numbers.BSA Thunderbolt A65 (1965) Really nice example of a 1965 BSA's A65 Thunderbolt 650cc twin.
With the demise of the BSA/Triumph works team in 1972, the Bee Bee Bros. History: Well cared for, always stored indoors Worldwide Shipping Available Buyer ..... (1961) ( WE CAN EASILY ARRANGE TO HAVE THIS ULTRA RARE 1961 BSA RGS TRIBSA T100 500cc FITTED WITH A FACTORY DELTA TWIN CARB HEAD "PROTOTYPE" WITH ALL ALLOY COMPETITION ENGINE MOTORCYCLE DELIVERD ANYWHERE IN .....bsa bantam (1959) bsa bantam 1959 125cc mist green tax & mot exempt fully restored in 2012 have got photos to show rebuild & old buff log book also the new v5 registration certificate please phone or text if interested .....From experience in cross-referencing machines against the factory despatch books of which the club have a copy, we have found that in about 50% of cases the bike was not despatched according the date of the lettering. After frame 3200 the engine and frame markings were the same.Sometimes they were despatched months earlier or later so the lettering system should just be taken as a rough guide. There was a short period where the engine marking matched the frame marking but the frame prefix was A50; Presumably to use up stock in store prior to the changeover.The 1969 models are identified by the adding of an extra 0 at the end of the frame marking putting the number series into the 100,000's.
Machines re-These lists have been compiled from numbers listed in the parts books from 1930 until the factory closed in 1973 and from known bikes up until 1930.
They would however have some machines in stock so that so that it is possible that a July model may be to either the previous or the next year's specification.
The code consisted of three parts, the first as two letters giving month and year respectively, the second was a five digit number and the third a model code. After dating and identifying many thousands of BSA's we have found that often a bike was built or shipped outside the dates given by the lettering system so this should only be used as a rough guide to the year and month of your machine.
Volumetrically, this is a massive slug with an enormous, wound enhancing hollow-point cavity, which delivers incredible expansion and energy transfer upon impact.
NOTICE: The Green Slug's full .729" diameter means that you should have your gunsmith approve your slug gun for this specific projectile. We have received many kind testimonials in relation to the accuracy and lethality of this slug. Ive used a lot of BPs loads dating back to the first 1330 fps. My Mossberg 500 pump slug gun with rifled barrel and 4X scope was used.
Read article Retro Waterfowler's Delight by Guns and Ammo.