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Bsa m20

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Bsa wm20 km20 ribbed - wd, front

Bsa wm20 km20 ribbed - wd, front

£146.30 · Buy It Now

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Bsa wm20 m20 girder - wm20,

Bsa wm20 m20 girder - wm20,

£27.60 · Buy It Now

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Bsa m19 m20 - m23, m24

Bsa m19 m20 - m23, m24

£12.95 · Buy It Now

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Bsa m20 toolkit ww2 - m20, genuine

Bsa m20 toolkit ww2 - m20, genuine

£249.00 · Buy It Now

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Bsa m20 m21 - m20, cylinder

Bsa m20 m21 - m20, cylinder

£39.00 · Buy It Now

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Bsa m20 parts book 1940 - bsa,

Bsa m20 parts book 1940 - bsa,

£17.99 · Buy It Now

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Bsa m20 smiths speedometer - smiths,

Bsa m20 smiths speedometer - smiths,

£125.50 · Buy It Now

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Bsa m20 tappet - m20, wd

Bsa m20 tappet - m20, wd

£68.30 · Buy It Now

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Bsa m20 481 conrod - m20,

Bsa m20 481 conrod - m20,

£17.95 · Buy It Now

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Bsa m20 m21 - bsa,

Bsa m20 m21 - bsa,

£25.59 · Buy It Now

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Bsa m20 rear brake plate - bsa, wd

Bsa m20 rear brake plate - bsa, wd

£35.00 · Buy It Now

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Vintage bsa m20 - bsa, tool

Vintage bsa m20 - bsa, tool

£69.50 · Buy It Now

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Bsa m20 m21 - m20, b32

Bsa m20 m21 - m20, b32

£69.99 · Buy It Now

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Bsa m20 civil model raw - model, steel

Bsa m20 civil model raw - model, steel

£182.15 · Buy It Now

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Bsa m20 m21 m23 aa - m21, clutch

Bsa m20 m21 m23 aa - m21, clutch

£199.99 · Buy It Now

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Bsa m20 civil model - bsa, raw

Bsa m20 civil model - bsa, raw

£220.00 · Buy It Now

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Bsa m20 riged oil - bsa, tank

Bsa m20 riged oil - bsa, tank

£45.00 · Buy It Now

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Bsa m20 m21 - , footrest

Bsa m20 m21 - , footrest

£31.90 · Buy It Now

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Bsa 7514 b31 c10 c11 - 66-7514, m20

Bsa 7514 b31 c10 c11 - 66-7514, m20

£14.99 · Buy It Now

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Bsa brake hub - ,

Bsa brake hub - ,

£30.00 · Buy It Now

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Bsa m20 m21 - m20,, m33,

Bsa m20 m21 - m20,, m33,

£5.95 · Buy It Now

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Genuine bsa m19 m20 - m19, m22

Genuine bsa m19 m20 - m19, m22

£29.00 · Buy It Now

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Bsa wm20 m20 cylinder liner - ,

Bsa wm20 m20 cylinder liner - ,

£37.10 · Buy It Now

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Bsa m20 series motorcycle - bsa,

Bsa m20 series motorcycle - bsa,

£14.00 · Buy It Now

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Bsa m21 m20 1948 - m21,

Bsa m21 m20 1948 - m21,

£10.00 · Buy It Now

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Exhaust pipe bsa m20 m21 - exhaust,

Exhaust pipe bsa m20 m21 - exhaust,

£83.00 · Buy It Now

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Bsa m20 m21 workshop manual - bsa,

Bsa m20 m21 workshop manual - bsa,

£17.75 · Buy It Now

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M20 bsa pre war 1937 - m20,

M20 bsa pre war 1937 - m20,

£110.00 · Buy It Now

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New bsa m20 rear - bsa,

New bsa m20 rear - bsa,

£126.18 · Buy It Now

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Pair brass fuel - pair,

Pair brass fuel - pair,

£38.40 · Buy It Now

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New bsa m20 front - m20, mudguard

New bsa m20 front - m20, mudguard

£112.44 · Buy It Now

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Bsa m20 m21 - m21, steering

Bsa m20 m21 - m21, steering

£49.99 · Buy It Now

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Bsa petrol tank rubbers b31 - rubbers,

Bsa petrol tank rubbers b31 - rubbers,

£26.70 · Buy It Now

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M20 bsa brake - ,

M20 bsa brake - ,

£35.00 · Buy It Now

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M20 bsa girder fork - m20,

M20 bsa girder fork - m20,

£38.00 · Buy It Now

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Bsa m20 m21 m33 - parts, book

Bsa m20 m21 m33 - parts, book

£13.45 · Buy It Now

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Bsa m20 m21 600cc - (500cc,

Bsa m20 m21 600cc - (500cc,

£29.99 · Buy It Now

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Bsa wassell fork - fork, oil

Bsa wassell fork - fork, oil

£47.50 · Buy It Now

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Bsa m20 m21 m23 - m21, aa

Bsa m20 m21 m23 - m21, aa

£99.99 · Buy It Now

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Bsa m20 black painted - bsa,

Bsa m20 black painted - bsa,

£280.00 · Buy It Now

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Bsa b31 b33 - bsa, models

Bsa b31 b33 - bsa, models

£9.95 · Buy It Now

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Bsa 500cc m20 m33 - 500cc, &

Bsa 500cc m20 m33 - 500cc, &

£29.99 · Buy It Now

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Bsa m20 m21 side - m21, valve

Bsa m20 m21 side - m21, valve

£12.99 · Buy It Now

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Bsa vintage gearbox shell - vintage,

Bsa vintage gearbox shell - vintage,

£135.00 · Buy It Now

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M20 bsa cush drive - ,

M20 bsa cush drive - ,

£9.00 · Buy It Now

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Tamiya 35316 bsa - 35316, m20

Tamiya 35316 bsa - 35316, m20

£13.95 · Buy It Now

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Bsa m20 leather - bsa, cap

Bsa m20 leather - bsa, cap

£9.22 · Buy It Now

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Bsa m20 m21 600cc - m20, (500cc

Bsa m20 m21 600cc - m20, (500cc

£29.99 · Buy It Now

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Primary chain bsa m20 m21 - chain,,

Primary chain bsa m20 m21 - chain,,

£33.34 · Buy It Now

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Bsa 1919 outer timing cover - 66-1919,

Bsa 1919 outer timing cover - 66-1919,

£28.50 · Buy It Now

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Bsa m20 series - bsa,

Bsa m20 series - bsa,

£167.10 · Buy It Now

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M20 bsa brake - ,

M20 bsa brake - ,

£35.00 · Buy It Now

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Bsa m20 footpeg e - bsa,

Bsa m20 footpeg e - bsa,

£9.73 · Buy It Now

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Bsa b31 b32 b33 - ,

Bsa b31 b32 b33 - ,

£8.95 · Buy It Now

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Bsa throttle cable m20 - throttle, m20/m21

Bsa throttle cable m20 - throttle, m20/m21

£17.95 · Buy It Now

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Extremely rare genuine bsa - extremely,

Extremely rare genuine bsa - extremely,

£21.45 · Buy It Now

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Vintage amal 276c - amal, 276c/1b

Vintage amal 276c - amal, 276c/1b

£95.00 · Buy It Now

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Bsa fork leg stanchions a10 - a10, a7

Bsa fork leg stanchions a10 - a10, a7

£108.00 · Buy It Now

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M20 bsa wheel hub - brake,

M20 bsa wheel hub - brake,

£17.00 · Buy It Now

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Bsa m20 m21 b31 - m20, of

Bsa m20 m21 b31 - m20, of

£29.50 · Buy It Now

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M20 bsa original oil - , tank

M20 bsa original oil - , tank

£28.00 · Buy It Now

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Bsa a10 b31 - , m21

Bsa a10 b31 - , m21

£41.26 · Buy It Now

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Bsa m21 tool box good - bsa,

Bsa m21 tool box good - bsa,

£129.95 · Buy It Now

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Bsa m20 lifting handle - m20,

Bsa m20 lifting handle - m20,

£19.99 · Buy It Now

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Bsa m20 modified - modified, gold

Bsa m20 modified - modified, gold

£250.00 · Buy It Now

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Handlebar bsa m20 models - handlebar,

Handlebar bsa m20 models - handlebar,

£39.95 · Buy It Now

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M20 bsa barrel possibly wd - bsa,

M20 bsa barrel possibly wd - bsa,

£70.00 · Buy It Now

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Bsa m20 m21 - bsa,

Bsa m20 m21 - bsa,

£8.00 · Buy It Now

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Bsa m20 m21 full gasket - bsa,

Bsa m20 m21 full gasket - bsa,

£44.99 · Buy It Now

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3131 bsa b31 - b31, m21

3131 bsa b31 - b31, m21

£3.40 · Buy It Now

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Bsa m20 rigid rear - bsa,

Bsa m20 rigid rear - bsa,

£7.95 · Buy It Now

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Bsa m20 m21 m33 - m20, stand

Bsa m20 m21 m33 - m20, stand

£16.15 · Buy It Now

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Bsa m20 m21 m33 service - bsa,

Bsa m20 m21 m33 service - bsa,

£19.36 · Buy It Now

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Lucas style headlamp - 6-1/2",

Lucas style headlamp - 6-1/2",

£71.79 · Buy It Now

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War department bsa spring - wd,

War department bsa spring - wd,

£13.75 · Buy It Now

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Bsa m20 m21 full - gasket, set

Bsa m20 m21 full - gasket, set

£45.99 · Buy It Now

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Bsa b31 b33 m20 - m20, gearbox

Bsa b31 b33 m20 - m20, gearbox

£49.99 · Buy It Now

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Bsa m20 m21 500cc 600cc - bsa,

Bsa m20 m21 500cc 600cc - bsa,

£43.98 · Buy It Now

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Bsa rear fuel tank mounting - bsa,

Bsa rear fuel tank mounting - bsa,

£5.50 · Buy It Now

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Bsa b25 b44 b31 - bsa, b31/33

Bsa b25 b44 b31 - bsa, b31/33

£32.50 · Buy It Now

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Small bsa m20 - m21, b30

Small bsa m20 - m21, b30

£24.99 · Buy It Now

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0209 bsa b31 b33 m20 - b33, m21

0209 bsa b31 b33 m20 - b33, m21

£12.94 · Buy It Now

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Copper head gasket stud - copper, 10

Copper head gasket stud - copper, 10

£24.49 · Buy It Now

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Bsa rear stand spring - rear, m20

Bsa rear stand spring - rear, m20

£9.99 · Buy It Now

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Bsa m20 m21 - m20,, m33

Bsa m20 m21 - m20,, m33

£155.95 · Buy It Now

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5310 bsa pair - pair, b31

5310 bsa pair - pair, b31

£49.99 · Buy It Now

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4110 bsa b31 - b33, m21

4110 bsa b31 - b33, m21

£3.20 · Buy It Now

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Bsa 500cc wd m20 side - b.s.a.,

Bsa 500cc wd m20 side - b.s.a.,

£89.95 · Buy It Now

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Bsa m21 m20 - b33, b31

Bsa m21 m20 - b33, b31

£39.00 · Buy It Now

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Bsa b31 b33 b34 - m21, a10

Bsa b31 b33 b34 - m21, a10

£12.99 · Buy It Now

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Bsa 0698 engine shaft - bsa, big

Bsa 0698 engine shaft - bsa, big

£25.00 · Buy It Now

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Bsa b31 b33 and - b31/b33, m20/33

Bsa b31 b33 and - b31/b33, m20/33

£34.99 · Buy It Now

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Bsa m20 m21 - b33, engine

Bsa m20 m21 - b33, engine

£12.94 · Buy It Now

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M20 bsa outer primary - ,

M20 bsa outer primary - ,

£25.00 · Buy It Now

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Bsa m20 rear - rear, drum

Bsa m20 rear - rear, drum

£119.99 · Buy It Now

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Bsa m20 civilian model - model, 1930

Bsa m20 civilian model - model, 1930

£150.00 · Buy It Now

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📊96 listings · from £3.2 · avg £56.13
⚠️ These listings were last updated more than 17 days ago. Search for fresh listings

Browse 96 bsa m20 listings currently in our index. Prices range from £3.2 to £280, with an average of £56.13. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about bsa m20 →

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Everything you need to know about bsa m20

Whether you are looking for a brand-new or second-hand bsa m20, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £3.2, while premium listings can reach £280 — giving you a wide budget spread to work with. The average price of £56.13 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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