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Bsa m20 parts

4

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Home / Tool Accessories & Parts / Bsa m20 parts refurbished & used for sale | For Sale UK
Bsa m20 m21 b31 - bsa, b34

Bsa m20 m21 b31 - bsa, b34

£75.00
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Bsa m20 m21 b31 - m21, b33

Bsa m20 m21 b31 - m21, b33

£25.59
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Bsa m20 m21 b31 b32 - b32, b33

Bsa m20 m21 b31 b32 - b32, b33

£90.00
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Bsa m20 m21 b31 b32 - b32, b33

Bsa m20 m21 b31 b32 - b32, b33

£60.00
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Bsa m20 motorcycle - m20, parts

Bsa m20 motorcycle - m20, parts

£19.99
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Bsa m20 gearbox gears set - bsa,

Bsa m20 gearbox gears set - bsa,

£100.00
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Bsa c10 c11 b31 - bsa, c10.c11,b31,b32,m20,m21

Bsa c10 c11 b31 - bsa, c10.c11,b31,b32,m20,m21

£16.75
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Bsa m20 m21 b31 - bsa, b32

Bsa m20 m21 b31 - bsa, b32

£10.57
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Bsa m20 m21 - parts, book

Bsa m20 m21 - parts, book

£13.45
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Bsa m20 tappet - ex, wd

Bsa m20 tappet - ex, wd

£64.14
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Bsa m20 m21 wm20 b31 - m20,

Bsa m20 m21 wm20 b31 - m20,

£338.20
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Bsa m20 m21 m33 - m21,

Bsa m20 m21 m33 - m21,

£39.99
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Bsa m20 m21 m33 - bsa, 600cc

Bsa m20 m21 m33 - bsa, 600cc

£45.00
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Bsa m20 m21 gear change - bsa,

Bsa m20 m21 gear change - bsa,

£37.26
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Bsa m20 m21 m33 - bsa,

Bsa m20 m21 m33 - bsa,

£40.00
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Bsa m20 others - others, with

Bsa m20 others - others, with

£30.00
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Bsa c10 c11 - b31, &

Bsa c10 c11 - b31, &

£65.00
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Bsa m20 exwd - bsa,

Bsa m20 exwd - bsa,

£75.00
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Bsa kickstart and - gear, rubbers

Bsa kickstart and - gear, rubbers

£5.95
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Bsa a10 b31 b32 - a7, m20

Bsa a10 b31 b32 - a7, m20

£3.60
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Bsa m19 m20 m21 m22 - ,

Bsa m19 m20 m21 m22 - ,

£12.95
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Bsa m20 m21 b31 - bsa, gearslector

Bsa m20 m21 b31 - bsa, gearslector

£30.00
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Bsa b31 m20 plunger - bsa,

Bsa b31 m20 plunger - bsa,

£36.50
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Vintage amal 276c - amal, 276c/1b

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

£95.00
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Bsa m20 wm20 km20 gear - wm20,

Bsa m20 wm20 km20 gear - wm20,

£72.00
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Bsa motorcycle parts - motorcycle, book

Bsa motorcycle parts - motorcycle, book

£30.00
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Exhaust pipe bsa - bsa, m21

Exhaust pipe bsa - bsa, m21

£83.00
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Bsa b31 m20 plunger - ,

Bsa b31 m20 plunger - ,

£26.50
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Bsa m20 m21 - m33, parts

Bsa m20 m21 - m33, parts

£15.00
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Bsa parts book 1939 models - bsa,

Bsa parts book 1939 models - bsa,

£29.25
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Bsa m20 exwd clutch - m20,

Bsa m20 exwd clutch - m20,

£50.00
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Bsa m20 gearbox - m20, shaft

Bsa m20 gearbox - m20, shaft

£31.90
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Bsa m20 wm20 gearbox adjuster - m20,

Bsa m20 wm20 gearbox adjuster - m20,

£26.40
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Bsa m20 reproduction gearbox - reproduction,

Bsa m20 reproduction gearbox - reproduction,

£7.59
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Bsa b31 b33 - bsa, b31-b33-m20-m21-m33

Bsa b31 b33 - bsa, b31-b33-m20-m21-m33

£29.82
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Bsa m20 m21 - bsa,

Bsa m20 m21 - bsa,

£39.00
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Bsa b31 b33 and - bsa,

Bsa b31 b33 and - bsa,

£34.99
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Bsa m20 m21 b31 - bsa, b33

Bsa m20 m21 b31 - bsa, b33

£11.99
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Bsa b31 b33 m20 - b31-b33-m20, brake

Bsa b31 b33 m20 - b31-b33-m20, brake

£40.00
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Bsa a10 b31 b33 m20 - bsa, a7-a10-b31-b33-m20-m21

Bsa a10 b31 b33 m20 - bsa, a7-a10-b31-b33-m20-m21

£12.94
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Exhaust bsa m20 m21 - rigid, wd

Exhaust bsa m20 m21 - rigid, wd

£83.00
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Layshaft 2nd gear bsa - gear,

Layshaft 2nd gear bsa - gear,

£43.99
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Bsa m20 b31 - bsa, b31-33

Bsa m20 b31 - bsa, b31-33

£33.00
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Bsa spring clutch retaining - bsa,

Bsa spring clutch retaining - bsa,

£7.50
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Bsa m20 flywheels - bsa,

Bsa m20 flywheels - bsa,

£100.00
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Bsa m20 m21 m33 - bsa, a7

Bsa m20 m21 m33 - bsa, a7

£9.50
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Bsa m20 m21 - m21, iron

Bsa m20 m21 - m21, iron

£39.00
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Bsa a10 b31 b32 b33 - b31, m20

Bsa a10 b31 b32 b33 - b31, m20

£4.80
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Bsa m20 b33 m21 piston - m20,

Bsa m20 b33 m21 piston - m20,

£25.66
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Bsa group parts - bsa, m20

Bsa group parts - bsa, m20

£10.80
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Bsa m20 m21 b31 b32 - bsa, m20-m21-b31-b32-b33-b34

Bsa m20 m21 b31 b32 - bsa, m20-m21-b31-b32-b33-b34

£39.00
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Bsa kickstart return stop - bsa,

Bsa kickstart return stop - bsa,

£6.99
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Bsa motorcycle parts book - motorcycle,

Bsa motorcycle parts book - motorcycle,

£30.00
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7523 bsa a10 - bsa, m20

7523 bsa a10 - bsa, m20

£21.99
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Bsa b31 m20 plunger - b31-m20, rear

Bsa b31 m20 plunger - b31-m20, rear

£50.00
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Bsa m20 m21 m33 rear - m33, stand

Bsa m20 m21 m33 rear - m33, stand

£12.95
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Bsa m20 m21 - bsa,

Bsa m20 m21 - bsa,

£27.99
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Bsa m20 intake pipe - intake,

Bsa m20 intake pipe - intake,

£20.00
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Bsa b31 b32 b33 b34 - bsa,

Bsa b31 b32 b33 b34 - bsa,

£19.95
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Bsa b40 a10 m20 a65 - a65, piston

Bsa b40 a10 m20 a65 - a65, piston

£4.80
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Bsa b31 b33 m20 - b31,b33,m20,m21,m33, new

Bsa b31 b33 m20 - b31,b33,m20,m21,m33, new

£11.95
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Bsa m20 m21 - bsa, m33

Bsa m20 m21 - bsa, m33

£23.99
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Bsa m20 m21 b31 - bsa, m20-m21-b31-b32-b33-b34

Bsa m20 m21 b31 - bsa, m20-m21-b31-b32-b33-b34

£39.00
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Bsa b31 b33 m19 m20 - ,

Bsa b31 b33 m19 m20 - ,

£26.00
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Bsa b31 m20 plunger - ,

Bsa b31 m20 plunger - ,

£39.90
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Bsa m20 wm2 clutch parts - m20, used

Bsa m20 wm2 clutch parts - m20, used

£142.62
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Bsa m20 inner - inner, gerabox

Bsa m20 inner - inner, gerabox

£30.00
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Bsa m20 girder fork parts - girder,

Bsa m20 girder fork parts - girder,

£46.80
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Handlebar bsa m20 models - handlebar, wd

Handlebar bsa m20 models - handlebar, wd

£42.00
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Vintage bsa kickstart - bsa, g5

Vintage bsa kickstart - bsa, g5

£16.15
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Bsa parts book - bsa, m

Bsa parts book - bsa, m

£15.99
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Bsa battery straps may - straps,

Bsa battery straps may - straps,

£10.00
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Bsa m20 m21 - bsa,

Bsa m20 m21 - bsa,

£11.40
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Silencer bsa m20 - silencer,

Silencer bsa m20 - silencer,

£112.00
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Bsa b33 b31 - bsa,

Bsa b33 b31 - bsa,

£48.00
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Bsa b31 b33 m20 - b33,

Bsa b31 b33 m20 - b33,

£10.80
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Bsa m20 wm20 - m20, gear

Bsa m20 wm20 - m20, gear

£54.00
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Vintage rare bsa m20 b31 - vintage,

Vintage rare bsa m20 b31 - vintage,

£94.74
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Bsa b31 b33 m20 m21 - b31-b33-m20-m21-m33, timing

Bsa b31 b33 m20 m21 - b31-b33-m20-m21-m33, timing

£30.00
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Bsa m20 m21 - m20,

Bsa m20 m21 - m20,

£14.40
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Bsa b31 b33 m20 m21 - b31,

Bsa b31 b33 m20 m21 - b31,

£23.63
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Vintage bsa m20 - wd, girder

Vintage bsa m20 - wd, girder

£14.00
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Bsa wm20 m20 - bsa, b33

Bsa wm20 m20 - bsa, b33

£21.60
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Bsa a10 b31 b33 b34 - bsa,

Bsa a10 b31 b33 b34 - bsa,

£10.95
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Bsa front fork oil seal - bsa,

Bsa front fork oil seal - bsa,

£6.20
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Bsa group parts book - parts, m21

Bsa group parts book - parts, m21

£10.80
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Bsa m20 gear - bsa, gear.

Bsa m20 gear - bsa, gear.

£24.99
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Lifting handle bsa c15 - handle, c15,

Lifting handle bsa c15 - handle, c15,

£29.00
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Bsa m20 m21 b31 - m20,

Bsa m20 m21 b31 - m20,

£8.25
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Bsa b31 b33 m21 - bsa,

Bsa b31 b33 m21 - bsa,

£16.15
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Bsa a10 a50 a65 - b31, b33

Bsa a10 a50 a65 - b31, b33

£22.90
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Bsa b31 b33 - m21, gear

Bsa b31 b33 - m21, gear

£31.90
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Bsa m20 m21 - m21, aa

Bsa m20 m21 - m21, aa

£49.99
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Bsa m20 m21 gear box - bsa,

Bsa m20 m21 gear box - bsa,

£5.44
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Clutch driven plate - driven, for

Clutch driven plate - driven, for

£43.58
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Kick starter spring part - starter,

Kick starter spring part - starter,

£30.11
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📊96 listings · from £3.6 · avg £37.82
⚠️ These listings were last updated more than 16 days ago. Search for fresh listings

Browse 96 bsa m20 parts listings currently in our index. Prices range from £3.6 to £338.2, with an average of £37.82. 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 parts →

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Everything you need to know about bsa m20 parts

Whether you are looking for a brand-new or second-hand bsa m20 parts, 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 £3.6, while premium listings can reach £338.2 — giving you a wide budget spread to work with. The average price of £37.82 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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