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Bsa m20

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M20 bsa engine bottom end - m20,

M20 bsa engine bottom end - m20,

€250.00 · Buy It Now

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M20 bsa clutch plates - m20,

M20 bsa clutch plates - m20,

€42.00 · Buy It Now

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Bsa m20 tool - m20, kit

Bsa m20 tool - m20, kit

€225.00 · Buy It Now

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Bsa m20 m21 cylinder - m21,

Bsa m20 m21 cylinder - m21,

€284.62 · Buy It Now

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Bsa m20 m21 cylinder - bsa, head

Bsa m20 m21 cylinder - bsa, head

€76.62 · Buy It Now

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Bsa m20 m21 - m20,

Bsa m20 m21 - m20,

€38.14 · Buy It Now

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Bsa m20 m21 wm20 b31 - wm20,

Bsa m20 m21 wm20 b31 - wm20,

€338.20 · Buy It Now

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Bsa m20 oil tank - bsa,

Bsa m20 oil tank - bsa,

€30.00 · Buy It Now

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Bsa bottom end short - end,

Bsa bottom end short - end,

€338.20 · Buy It Now

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Bsa m20 wm20 passenger - wm20,

Bsa m20 wm20 passenger - wm20,

€36.00 · Buy It Now

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Bsa m20 toolkit ww2 genuine - bsa,

Bsa m20 toolkit ww2 genuine - bsa,

€199.00 · Buy It Now

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Bsa m20 m21 - a7, 1947-57

Bsa m20 m21 - a7, 1947-57

€19.89 · Buy It Now

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Bsa sloper and m20 - sloper, wd

Bsa sloper and m20 - sloper, wd

€47.50 · Buy It Now

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Pair bsa m20 rigid riders - pair,

Pair bsa m20 rigid riders - pair,

€49.99 · Buy It Now

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Bsa m20 m21 - bsa,

Bsa m20 m21 - bsa,

€44.99 · Buy It Now

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Bsa m20 m21 battery carrier - battery,

Bsa m20 m21 battery carrier - battery,

€49.99 · Buy It Now

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Bsa m20 m21 - (500cc, sv)

Bsa m20 m21 - (500cc, sv)

€29.99 · Buy It Now

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Bsa wm20 m20 - wd,

Bsa wm20 m20 - wd,

€125.50 · Buy It Now

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Bsa m20 m21 wm20 - , b31

Bsa m20 m21 wm20 - , b31

€172.30 · Buy It Now

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Bsa m20 m21 b31 - b31, original

Bsa m20 m21 b31 - b31, original

€75.58 · Buy It Now

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Bsa m20 maintenance - bsa,

Bsa m20 maintenance - bsa,

€15.00 · Buy It Now

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Bsa m19 m20 m21 m22 - m21,

Bsa m19 m20 m21 m22 - m21,

€12.95 · Buy It Now

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Bsa m20 m21 b31 b32 - m21,

Bsa m20 m21 b31 b32 - m21,

€10.57 · Buy It Now

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Bsa m20 m21 - m20, models

Bsa m20 m21 - m20, models

€12.99 · Buy It Now

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M20 bsa brake - , sprocket

M20 bsa brake - , sprocket

€35.00 · Buy It Now

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Bsa oil pump b31 - oil, c10l

Bsa oil pump b31 - oil, c10l

€26.70 · Buy It Now

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Complete battery carrier and - battery,

Complete battery carrier and - battery,

€57.90 · Buy It Now

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Bsa m20 field stand - bsa, spring

Bsa m20 field stand - bsa, spring

€3.82 · Buy It Now

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Fits bsa m20 m21 motorbikes - bsa,

Fits bsa m20 m21 motorbikes - bsa,

€32.40 · Buy It Now

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Tool box knob - tool,

Tool box knob - tool,

€7.96 · Buy It Now

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Bsa m20 rear wheel - wheel, drum

Bsa m20 rear wheel - wheel, drum

€119.99 · Buy It Now

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Bsa m20 m21 - m21, 500cc

Bsa m20 m21 - m21, 500cc

€64.99 · Buy It Now

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M20 bsa original oil tank - bsa,

M20 bsa original oil tank - bsa,

€26.00 · Buy It Now

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Wesco ww2 bsa m20 toolkit - bsa, oil

Wesco ww2 bsa m20 toolkit - bsa, oil

€52.70 · Buy It Now

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M20 bsa brake hub - ,

M20 bsa brake hub - ,

€30.00 · Buy It Now

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Bsa m20 m21 - m21,, a10

Bsa m20 m21 - m21,, a10

€5.95 · Buy It Now

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M20 bsa barrel possibly wd - barrel,

M20 bsa barrel possibly wd - barrel,

€60.00 · Buy It Now

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Vintage amal 276c - vintage,

Vintage amal 276c - vintage,

€95.00 · Buy It Now

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Fits for bsa - fits,

Fits for bsa - fits,

€193.16 · Buy It Now

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Bsa m20 m21 m23 aa - bsa, clutch

Bsa m20 m21 m23 aa - bsa, clutch

€199.99 · Buy It Now

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Bsa wm20 original - wd, field

Bsa wm20 original - wd, field

€151.50 · Buy It Now

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Bsa m20 m21 b31 b33 - bsa, cush

Bsa m20 m21 b31 b33 - bsa, cush

€54.78 · Buy It Now

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Bsa m20 m21 workshop - m20,m21,

Bsa m20 m21 workshop - m20,m21,

€17.75 · Buy It Now

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Bsa b25 b44 b31 m20 - b25, m20/21

Bsa b25 b44 b31 m20 - b25, m20/21

€32.50 · Buy It Now

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Vintage motorcycle bsa - bsa, m20

Vintage motorcycle bsa - bsa, m20

€21.50 · Buy It Now

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Bsa brake hub probably - ,

Bsa brake hub probably - ,

€27.00 · Buy It Now

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Bsa m20 m21 b31 b33 - bsa, m21,

Bsa m20 m21 b31 b33 - bsa, m21,

€104.70 · Buy It Now

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Wiring harness bsa - harness,, b31

Wiring harness bsa - harness,, b31

€37.10 · Buy It Now

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Bsa b31 b33 m20 - b33, m21

Bsa b31 b33 m20 - b33, m21

€38.95 · Buy It Now

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M20 bsa pre - , war

M20 bsa pre - , war

€100.00 · Buy It Now

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War department bsa spring - war,

War department bsa spring - war,

€13.75 · Buy It Now

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Copper head gasket - 10, for

Copper head gasket - 10, for

€24.49 · Buy It Now

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Bsa m20 m21 m33 oil - m20,

Bsa m20 m21 m33 oil - m20,

€14.95 · Buy It Now

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Bsa m20 m21 b31 - m20, sidevalve

Bsa m20 m21 b31 - m20, sidevalve

€25.59 · Buy It Now

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Bsa b31 b32 b33 b34 - bsa,

Bsa b31 b32 b33 b34 - bsa,

€3.55 · Buy It Now

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Bsa wassell fork oil seal - wassell,

Bsa wassell fork oil seal - wassell,

€47.50 · Buy It Now

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Bsa b31 b33 m20 m21 - b31, gear

Bsa b31 b33 m20 m21 - b31, gear

€24.62 · Buy It Now

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Bsa 7514 b31 - 66-7514, m20

Bsa 7514 b31 - 66-7514, m20

€14.99 · Buy It Now

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Bsa m20 gearbox main - gearbox,

Bsa m20 gearbox main - gearbox,

€31.90 · Buy It Now

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Bsa m20 models tool - bsa,

Bsa m20 models tool - bsa,

€13.50 · Buy It Now

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Small bsa m20 m21 - b31, b33

Small bsa m20 m21 - b31, b33

€24.99 · 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 gearbox clutch lever - m20,

Bsa m20 gearbox clutch lever - m20,

€5.99 · Buy It Now

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Bsa m20 23 - 8, m20/21/22/23

Bsa m20 23 - 8, m20/21/22/23

€24.00 · Buy It Now

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Bsa b31 b33 - b33, c12

Bsa b31 b33 - b33, c12

€8.60 · Buy It Now

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Vintage bsa m20 girder - bsa,

Vintage bsa m20 girder - bsa,

€25.00 · Buy It Now

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Bsa m20 m21 m33 - m20/m21/m33, footrest

Bsa m20 m21 m33 - m20/m21/m33, footrest

€21.95 · Buy It Now

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Primary chain bsa - primary, m21

Primary chain bsa - primary, m21

€33.34 · Buy It Now

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Bsa m20 m21 - m33, b33

Bsa m20 m21 - m33, b33

€23.99 · Buy It Now

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Bsa b31 b34 - bsa, c11/g

Bsa b31 b34 - bsa, c11/g

€39.99 · Buy It Now

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Bsa m20 leather fuel - bsa, cap

Bsa m20 leather fuel - bsa, cap

€9.22 · Buy It Now

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Bsa throttle cable - bsa,

Bsa throttle cable - bsa,

€17.95 · Buy It Now

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Bsa m20 m21 m33 b20 - b20, b22

Bsa m20 m21 m33 b20 - b20, b22

€9.73 · Buy It Now

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Bsa m20 series - series, motorcycle

Bsa m20 series - series, motorcycle

€167.10 · Buy It Now

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M20 bsa outer - outer, primary

M20 bsa outer - outer, primary

€25.00 · Buy It Now

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Bsa m20 m21 - bsa, m33

Bsa m20 m21 - bsa, m33

€10.99 · Buy It Now

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5310 bsa pair a10 b31 - a7,

5310 bsa pair a10 b31 - a7,

€49.99 · Buy It Now

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Bsa wm20 clutch - ,

Bsa wm20 clutch - ,

€89.10 · Buy It Now

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Throttle suits bsa - 7/8'',

Throttle suits bsa - 7/8'',

€19.95 · Buy It Now

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Bsa m20 m21 - bsa, field

Bsa m20 m21 - bsa, field

€16.15 · Buy It Now

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Genuine bsa m20 piston - bsa, mm

Genuine bsa m20 piston - bsa, mm

€120.00 · Buy It Now

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3131 bsa b31 b33 m20 - m20, m21

3131 bsa b31 b33 m20 - m20, m21

€3.40 · 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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Bsa m20 new piston 020 - new, +.020"

Bsa m20 new piston 020 - new, +.020"

€63.10 · Buy It Now

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Bsa m20 instruction book - bsa,

Bsa m20 instruction book - bsa,

€15.00 · Buy It Now

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Bsa m20 1939 - bsa,

Bsa m20 1939 - bsa,

€11.90 · Buy It Now

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Bsa m20 m21 oil filter - oil,

Bsa m20 m21 oil filter - oil,

€16.50 · Buy It Now

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Bsa m20 m21 iron cylinder - m21,

Bsa m20 m21 iron cylinder - m21,

€39.00 · Buy It Now

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Bsa m20 fork - bsa,

Bsa m20 fork - bsa,

€11.87 · Buy It Now

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Bsa sloper 500 complete - sloper, engine

Bsa sloper 500 complete - sloper, engine

€104.70 · Buy It Now

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Bsa vintage gearbox - bsa,

Bsa vintage gearbox - bsa,

€120.00 · Buy It Now

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Bsa b31 b33 b34 m20 - b31, 8"

Bsa b31 b33 b34 m20 - b31, 8"

€12.99 · Buy It Now

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Bsa m20 m21 m33 - bsa,

Bsa m20 m21 m33 - bsa,

€18.99 · Buy It Now

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Bsa a10 b31 b33 - a7, m20

Bsa a10 b31 b33 - a7, m20

€52.99 · Buy It Now

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Bsa m20 civil - bsa, "civil

Bsa m20 civil - bsa, "civil

€220.00 · Buy It Now

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Bsa m20 dlxm22 m23 - m20/21, dlxm22/m23/24

Bsa m20 dlxm22 m23 - m20/21, dlxm22/m23/24

€230.00 · Buy It Now

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📊96 listings · from €3.4 · avg €63.16

Browse 96 bsa m20 listings currently in our index. Prices range from €3.4 to €338.2, with an average of €63.16. 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 €3.4, while premium listings can reach €338.2 — giving you a wide budget spread to work with. The average price of €63.16 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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