Bsa frame dating

BSA: Bicycles

The only way to check is to find the frame number actually stamped on the bike. This could be around the steering yoke or the downtube.

The engine number is stamped on the top of the engine near the chainguard bolt, if it's the same as later models. According to the information on the website YD1S would be a frame number from a bike.

Engine number YD1 would be an engine number from a bike. That's if I have interpreted the information correctly. Why they chose 18th Noverber I do not know, but I suppose it had to start sometime.

BSAOC Engine and Frame Number Intro

Damn Id consider that dangerous, if everyone went around without an MOT gawd only knows what could happen. It seems that the engine has been replaced at some time. The engine number seems to relate to a D1. You will be able to ride it without MOT from November 18th. So all I need is Insurance???? YD engine numbers are stamped around the front top engine mounting piont, YD1s frames were stamped on the front down tube left hand side by the front engine mount.

Yeah, frame with engine.


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No big deal as the frame constitutes the 'bones' of the vehicle. Thank you to everyone who has helped, made it clearer now, I knew I would get free tax, but not having an MOT that was a surprise, think I will get an MOT even though it doesnt need one, just to put my mind at rest and then after that I possibly wont bother. Munchkin said Thank you to everyone who has helped, made it clearer now, I knew I would get free tax, but not having an MOT that was a surprise, think I will get an MOT even though it doesnt need one, just to put my mind at rest and then after that I possibly wont bother.

Hope its the right one if it isnt then its painted somewhere I cannot find it without scraping off paint.

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The purpose of bsa unit singles llc is to provide enthusiasts of c15s, b40s, c25s, b25s,t25s, b44s and b50s with a single source supplier for. Bsa motorcycles was once the largest motorcycle producer in the world built by tripling 3 bsa singles, sister bike to the triumph trident. I do have original ones on another bsa bicycle but it looks good and rides well as is bsa ladyback piled arms tandem with bsa. Explain to your counselor the most likely hazards you may encounter while participating in cycling know the bsa bike pamphlet revision date.

Engine and Frame Numbers

Museum bikes from to on display at classic cycle, a bicycle shop and museum located just outside of seattle on bainbridge island. Bsa used a system of letters and numbers for yearly identification of their machines before you proceed be sure to read the introduction page.

1963 BSA Rocket Gold Star Spitfire/Gold Star Spitfire

All dating would therefore be approximate bicycle history: Find great deals on ebay for vintage bsa bike shop with confidence. Find this pin and more on the bike by ethier bsa: