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Bsa m20

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M20 bsa engine - m20, bottom

M20 bsa engine - m20, bottom

€250.00 · Buy It Now

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M20 bsa clutch plates and - m20,

M20 bsa clutch plates and - m20,

€42.00 · Buy It Now

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Bsa m20 tool kit - bsa,

Bsa m20 tool kit - bsa,

€225.00 · Buy It Now

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Bsa m20 m21 cylinder barrel - bsa,

Bsa m20 m21 cylinder barrel - bsa,

€284.62 · Buy It Now

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Bsa m20 m21 - bsa, head

Bsa m20 m21 - bsa, head

€76.62 · Buy It Now

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Bsa m20 m21 valve - m21,

Bsa m20 m21 valve - m21,

€38.14 · Buy It Now

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Bsa m20 m21 wm20 b31 - bsa,

Bsa m20 m21 wm20 b31 - bsa,

€338.20 · Buy It Now

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Bsa m20 oil - m20, wd

Bsa m20 oil - m20, wd

€30.00 · Buy It Now

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Bsa bottom end short - bm,

Bsa bottom end short - bm,

€338.20 · Buy It Now

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Bsa m20 wm20 passenger - bsa,

Bsa m20 wm20 passenger - bsa,

€36.00 · Buy It Now

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Bsa m20 toolkit - m20, genuine

Bsa m20 toolkit - m20, genuine

€199.00 · Buy It Now

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Bsa m20 m21 - bsa,

Bsa m20 m21 - bsa,

€19.89 · Buy It Now

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Bsa sloper and m20 lever - wd,

Bsa sloper and m20 lever - wd,

€47.50 · Buy It Now

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Pair bsa m20 rigid riders - m20,

Pair bsa m20 rigid riders - m20,

€49.99 · Buy It Now

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Bsa m20 m21 m23 - bsa, clutch

Bsa m20 m21 m23 - bsa, clutch

€44.99 · Buy It Now

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Bsa m20 m21 battery - m20, carrier

Bsa m20 m21 battery - m20, carrier

€49.99 · Buy It Now

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Bsa m20 m21 - m20, (500cc

Bsa m20 m21 - m20, (500cc

€29.99 · Buy It Now

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Bsa wm20 m20 - m20, smooth

Bsa wm20 m20 - m20, smooth

€125.50 · Buy It Now

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Bsa m20 m21 - , wm20

Bsa m20 m21 - , wm20

€172.30 · Buy It Now

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Bsa m20 m21 b31 - ,

Bsa m20 m21 b31 - ,

€75.58 · Buy It Now

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Bsa m20 maintenance manual - m20,

Bsa m20 maintenance manual - m20,

€15.00 · Buy It Now

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Bsa m19 m20 - m22, m23

Bsa m19 m20 - m22, m23

€12.95 · Buy It Now

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Bsa m20 m21 - bsa,

Bsa m20 m21 - bsa,

€10.57 · Buy It Now

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Bsa m20 m21 models - m21, wd

Bsa m20 m21 models - m21, wd

€12.99 · Buy It Now

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M20 bsa brake - ,

M20 bsa brake - ,

€35.00 · Buy It Now

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Bsa oil pump b31 b33 - b33, c10l

Bsa oil pump b31 b33 - b33, c10l

€26.70 · Buy It Now

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Complete battery carrier and - complete,

Complete battery carrier and - complete,

€57.90 · Buy It Now

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Bsa m20 field - bsa, stand

Bsa m20 field - bsa, stand

€3.82 · Buy It Now

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Fits bsa m20 - fits, motorbikes

Fits bsa m20 - fits, motorbikes

€32.40 · Buy It Now

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Tool box knob screw - screw, bsa

Tool box knob screw - screw, bsa

€7.96 · Buy It Now

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Bsa m20 rear wheel brake - bsa, drum

Bsa m20 rear wheel brake - bsa, drum

€119.99 · Buy It Now

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Bsa m20 m21 500cc - 500cc, 600cc

Bsa m20 m21 500cc - 500cc, 600cc

€64.99 · Buy It Now

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M20 bsa original - ,

M20 bsa original - ,

€26.00 · Buy It Now

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Wesco ww2 bsa m20 toolkit - wesco, oil

Wesco ww2 bsa m20 toolkit - wesco, oil

€52.70 · Buy It Now

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M20 bsa brake - m20,

M20 bsa brake - m20,

€30.00 · Buy It Now

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Bsa m20 m21 m33 - bsa, m21,

Bsa m20 m21 m33 - bsa, m21,

€5.95 · Buy It Now

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M20 bsa barrel possibly wd - m20,

M20 bsa barrel possibly wd - m20,

€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 - bsa, chrome

Fits for bsa - bsa, chrome

€193.16 · Buy It Now

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Bsa m20 m21 - &, aa

Bsa m20 m21 - &, aa

€199.99 · Buy It Now

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Bsa wm20 original field - ,

Bsa wm20 original field - ,

€151.50 · Buy It Now

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Bsa m20 m21 b31 - bsa,

Bsa m20 m21 b31 - bsa,

€54.78 · Buy It Now

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Bsa m20 m21 - workshop,

Bsa m20 m21 - workshop,

€17.75 · Buy It Now

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Bsa b25 b44 - bsa, m20/21

Bsa b25 b44 - bsa, 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 m20 - ,

Bsa brake hub probably m20 - ,

€27.00 · Buy It Now

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Bsa m20 m21 - bsa, m20,

Bsa m20 m21 - bsa, m20,

€104.70 · Buy It Now

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Wiring harness bsa b31 - harness,, b33

Wiring harness bsa b31 - harness,, b33

€37.10 · Buy It Now

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Bsa b31 b33 m20 m21 - m20, dyno

Bsa b31 b33 m20 m21 - m20, dyno

€38.95 · Buy It Now

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M20 bsa pre war - m20,

M20 bsa pre war - m20,

€100.00 · Buy It Now

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War department bsa - department, spring

War department bsa - department, spring

€13.75 · Buy It Now

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Copper head gasket stud - gasket,

Copper head gasket stud - gasket,

€24.49 · Buy It Now

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Bsa m20 m21 m33 oil - m21,

Bsa m20 m21 m33 oil - m21,

€14.95 · Buy It Now

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Bsa m20 m21 b31 - bsa,

Bsa m20 m21 b31 - bsa,

€25.59 · Buy It Now

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Bsa b31 b32 - b34, m21

Bsa b31 b32 - b34, m21

€3.55 · Buy It Now

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Bsa wassell fork - wassell, oil

Bsa wassell fork - wassell, oil

€47.50 · Buy It Now

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Bsa b31 b33 - bsa,

Bsa b31 b33 - bsa,

€24.62 · Buy It Now

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Bsa 7514 b31 c10 c11 - 66-7514,

Bsa 7514 b31 c10 c11 - 66-7514,

€14.99 · Buy It Now

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Bsa m20 gearbox - bsa,

Bsa m20 gearbox - bsa,

€31.90 · Buy It Now

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Bsa m20 models tool - m20/21/33,

Bsa m20 models tool - m20/21/33,

€13.50 · Buy It Now

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Small bsa m20 - bsa,

Small bsa m20 - bsa,

€24.99 · Buy It Now

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Bsa m20 parts book - parts, all

Bsa m20 parts book - parts, all

€17.99 · Buy It Now

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Bsa m20 gearbox clutch lever - bsa,

Bsa m20 gearbox clutch lever - bsa,

€5.99 · Buy It Now

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Bsa m20 23 aa - bsa, &

Bsa m20 23 aa - bsa, &

€24.00 · Buy It Now

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Bsa b31 b33 - b33, m20

Bsa b31 b33 - b33, m20

€8.60 · Buy It Now

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Vintage bsa m20 girder - bsa, wd

Vintage bsa m20 girder - bsa, wd

€25.00 · Buy It Now

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Bsa m20 m21 m33 - bsa, m20/m21/m33

Bsa m20 m21 m33 - bsa, m20/m21/m33

€21.95 · Buy It Now

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Primary chain bsa m20 m21 - primary, m20,

Primary chain bsa m20 m21 - primary, m20,

€33.34 · Buy It Now

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Bsa m20 m21 m33 - bsa,

Bsa m20 m21 m33 - bsa,

€23.99 · Buy It Now

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Bsa b31 b34 c10 c11 - c10/l, c11/g

Bsa b31 b34 c10 c11 - c10/l, 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 m20 - bsa,

Bsa throttle cable m20 - bsa,

€17.95 · Buy It Now

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Bsa m20 m21 m33 - b20, b22

Bsa m20 m21 m33 - b20, b22

€9.73 · Buy It Now

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Bsa m20 series - m20,

Bsa m20 series - m20,

€167.10 · Buy It Now

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M20 bsa outer primary case - m20,

M20 bsa outer primary case - m20,

€25.00 · Buy It Now

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Bsa m20 m21 m33 - m21, filter

Bsa m20 m21 m33 - m21, filter

€10.99 · Buy It Now

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5310 bsa pair a10 - 29-5310,

5310 bsa pair a10 - 29-5310,

€49.99 · Buy It Now

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Bsa wm20 clutch - wm20, pack

Bsa wm20 clutch - wm20, pack

€89.10 · Buy It Now

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Throttle suits bsa m20 - throttle,

Throttle suits bsa m20 - throttle,

€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 - genuine, 1/2

Genuine bsa m20 - genuine, 1/2

€120.00 · Buy It Now

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3131 bsa b31 b33 - 66-3131,

3131 bsa b31 b33 - 66-3131,

€3.40 · Buy It Now

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Bsa m20 m21 full - bsa,

Bsa m20 m21 full - bsa,

€44.99 · Buy It Now

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

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

€63.10 · Buy It Now

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Bsa m20 instruction - bsa,

Bsa m20 instruction - bsa,

€15.00 · Buy It Now

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Bsa m20 1939 models - bsa, wd

Bsa m20 1939 models - bsa, wd

€11.90 · Buy It Now

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Bsa m20 m21 oil - oil, filter

Bsa m20 m21 oil - oil, filter

€16.50 · Buy It Now

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Bsa m20 m21 - m21,

Bsa m20 m21 - m21,

€39.00 · Buy It Now

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Bsa m20 fork link friction - m20,

Bsa m20 fork link friction - m20,

€11.87 · Buy It Now

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Bsa sloper 500 complete engine - 500,

Bsa sloper 500 complete engine - 500,

€104.70 · Buy It Now

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Bsa vintage gearbox shell - bsa,

Bsa vintage gearbox shell - bsa,

€120.00 · Buy It Now

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Bsa b31 b33 b34 - a10, 8"

Bsa b31 b33 b34 - a10, 8"

€12.99 · Buy It Now

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Bsa m20 m21 m33 - m20,

Bsa m20 m21 m33 - m20,

€18.99 · Buy It Now

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Bsa a10 b31 - a10, m20

Bsa a10 b31 - a10, m20

€52.99 · Buy It Now

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Bsa m20 civil model - m20, model"

Bsa m20 civil model - m20, model"

€220.00 · Buy It Now

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Bsa m20 dlxm22 m23 black - bsa, dlxm22/m23/24

Bsa m20 dlxm22 m23 black - bsa, 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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