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Bsa m20 parts

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Home / Automotive Tools & Manuals / Bsa m20 parts refurbished & used for sale | For Sale UK
Bsa m20 parts book 1940 - parts,

Bsa m20 parts book 1940 - parts,

£19.99
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Bsa m20 m21 b31 - m20,

Bsa m20 m21 b31 - m20,

£25.59
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Bsa m20 m21 - gear, box

Bsa m20 m21 - gear, box

£65.41
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Bsa c10 c11 b31 b32 - bsa, c10.c11,b31,b32,m20,m21

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

£16.75
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Bsa m20 m21 b31 - b32, c10

Bsa m20 m21 b31 - b32, c10

£10.57
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Bsa m20 m21 m33 - m20,m21,m33, book

Bsa m20 m21 m33 - m20,m21,m33, book

£13.45
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Bsa m19 m20 m21 m22 - m21, m23

Bsa m19 m20 m21 m22 - m21, m23

£12.95
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Bsa b31 b33 - bsa, brake

Bsa b31 b33 - bsa, brake

£40.00
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Bsa m20 tappet - bsa,

Bsa m20 tappet - bsa,

£68.30
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Bsa b31 m20 plunger rigid - rigid, rear

Bsa b31 m20 plunger rigid - rigid, rear

£50.00
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Bsa wm20 m20 - wm20, b33

Bsa wm20 m20 - wm20, b33

£21.60
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Bsa m20 gearbox gears - m20,

Bsa m20 gearbox gears - m20,

£100.00
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Bsa motorcycle parts - book, 1947

Bsa motorcycle parts - book, 1947

£30.00
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Bsa m20 m21 - m20,

Bsa m20 m21 - m20,

£39.99
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Bsa kickstart ratchet pinion - bsa,

Bsa kickstart ratchet pinion - bsa,

£48.95
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Bsa kickstart ratchet pinion - ratchet,

Bsa kickstart ratchet pinion - ratchet,

£30.00
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Bsa b31 m20 plunger - b31/33,m20,

Bsa b31 m20 plunger - b31/33,m20,

£36.50
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Bsa m20 m21 b31 b33 - m20, kickstart

Bsa m20 m21 b31 b33 - m20, kickstart

£11.99
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Bsa motorcycle parts book 1948 - motorcycle,

Bsa motorcycle parts book 1948 - motorcycle,

£33.00
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Bsa m20 m21 m33 - bsa, 500cc

Bsa m20 m21 m33 - bsa, 500cc

£39.99
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Bsa m20 m21 alloy cylinder - bsa,

Bsa m20 m21 alloy cylinder - bsa,

£39.00
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Bsa m20 piston 1024 - bsa, 66-1024

Bsa m20 piston 1024 - bsa, 66-1024

£30.00
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Bsa m20 gearbox shell - 66, 3141

Bsa m20 gearbox shell - 66, 3141

£50.00
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Bsa m20 m21 - m20,

Bsa m20 m21 - m20,

£15.00
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Bsa m20 exwd b31 - exwd,

Bsa m20 exwd b31 - exwd,

£75.00
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Bsa m20 wm20 km20 gear - km20,

Bsa m20 wm20 km20 gear - km20,

£72.00
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Bsa gearbox bolt serrated - ,

Bsa gearbox bolt serrated - ,

£9.99
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Vintage bsa m20 - vintage, wd

Vintage bsa m20 - vintage, wd

£25.00
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Bsa m20 m21 500cc - m20, 600cc

Bsa m20 m21 500cc - m20, 600cc

£43.98
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Bsa b31 b33 - bsa,

Bsa b31 b33 - bsa,

£30.00
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Bsa b31 m20 - bsa,

Bsa b31 m20 - bsa,

£39.90
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Bsa kickstart and - bsa,

Bsa kickstart and - bsa,

£5.95
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Bsa m20 m21 m33 - m21, a10

Bsa m20 m21 m33 - m21, a10

£9.50
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Bsa m20 gearbox - bsa, main

Bsa m20 gearbox - bsa, main

£31.90
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Bsa m20 m21 b31 gearslector - bsa, m20-m21-b31

Bsa m20 m21 b31 gearslector - bsa, m20-m21-b31

£30.00
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Bsa parts book - bsa, 1939

Bsa parts book - bsa, 1939

£29.25
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Bsa m20 m21 - -m21-m33-b31, gear

Bsa m20 m21 - -m21-m33-b31, gear

£40.00
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Bsa m20 m21 m33 - m21, 500cc

Bsa m20 m21 m33 - m21, 500cc

£45.00
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Vintage amal 276c - vintage,

Vintage amal 276c - vintage,

£95.00
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Original bsa gear shift lever - original,

Original bsa gear shift lever - original,

£63.17
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Bsa m20 m21 gear box - box, shaft

Bsa m20 m21 gear box - box, shaft

£49.83
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Bsa m20 m21 - m21, box

Bsa m20 m21 - m21, box

£49.83
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Bsa b31 b33 m20 - m20, m21

Bsa b31 b33 m20 - m20, m21

£42.30
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7523 bsa a10 b31 b33 - bsa, a7

7523 bsa a10 b31 b33 - bsa, a7

£21.99
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Bsa m20 m21 tool box - tool, cover

Bsa m20 m21 tool box - tool, cover

£14.40
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Vintage motorcycle bsa m20 - vintage,

Vintage motorcycle bsa m20 - vintage,

£16.15
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Bsa m20 m21 gear - m21,

Bsa m20 m21 gear - m21,

£27.99
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Exhaust pipe bsa m20 m21 - pipe,,

Exhaust pipe bsa m20 m21 - pipe,,

£83.00
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Bsa m20 m21 iron cylinder - bsa,

Bsa m20 m21 iron cylinder - bsa,

£39.00
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Bsa m20 m21 gear box - m20,

Bsa m20 m21 gear box - m20,

£49.83
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Bsa c10 c11 b31 - m20, &

Bsa c10 c11 b31 - m20, &

£65.00
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Bsa m20 gear box layshaft - bsa,

Bsa m20 gear box layshaft - bsa,

£33.90
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Bsa b31 b33 m21 - m20, gearbox

Bsa b31 b33 m21 - m20, gearbox

£16.15
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Vintage rare bsa - bsa, b33

Vintage rare bsa - bsa, b33

£94.74
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Bsa m20 exwd - bsa,

Bsa m20 exwd - bsa,

£50.00
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Bsa m20 m21 m22 - m21, gear

Bsa m20 m21 m22 - m21, gear

£13.74
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Bsa motorcycle parts book 1949 - parts,

Bsa motorcycle parts book 1949 - parts,

£30.00
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Bsa group parts - m,

Bsa group parts - m,

£10.80
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Bsa b31 m20 plunger - bsa,

Bsa b31 m20 plunger - bsa,

£26.50
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Bsa m20 wm20 gearbox adjuster - m20,

Bsa m20 wm20 gearbox adjuster - m20,

£26.40
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Bsa m20 m21 - bsa, b34

Bsa m20 m21 - bsa, b34

£8.25
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Bsa b31 b33 - b31,b33,m20,m21,m33, new

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

£11.95
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Bsa m20 girder fork parts - girder,

Bsa m20 girder fork parts - girder,

£46.80
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Bsa parts book - bsa, 1951-2

Bsa parts book - bsa, 1951-2

£28.00
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Bsa b31 b33 m20 m21 - b31, gear

Bsa b31 b33 m20 m21 - b31, gear

£31.90
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Bsa m20 wm2 clutch parts - bsa,

Bsa m20 wm2 clutch parts - bsa,

£142.69
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Layshaft 2nd gear - layshaft, (nos)

Layshaft 2nd gear - layshaft, (nos)

£43.99
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Bsa m20 gear - m20,

Bsa m20 gear - m20,

£24.99
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Bsa a10 b31 - a7, b32

Bsa a10 b31 - a7, b32

£3.60
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Bsa m20 m21 m33 b31 - m21,

Bsa m20 m21 m33 b31 - m21,

£23.99
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Bsa b31 b32 b33 - bsa, m21

Bsa b31 b32 b33 - bsa, m21

£19.95
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Bsa b31 b33 m20 - b31, gear

Bsa b31 b33 m20 - b31, gear

£10.80
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Bsa b31 b33 - bsa, m20

Bsa b31 b33 - bsa, m20

£23.63
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Bsa m20 m21 gear box - bsa,

Bsa m20 m21 gear box - bsa,

£5.44
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Bsa b31 b33 m19 m20 - m19, ,m21

Bsa b31 b33 m19 m20 - m19, ,m21

£26.00
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Bsa m20 m21 - m33, stand

Bsa m20 m21 - m33, stand

£12.95
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Bsa parts book - bsa,

Bsa parts book - bsa,

£15.99
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Bsa m20 flywheels - bsa,

Bsa m20 flywheels - bsa,

£100.00
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Bsa gearbox mainshaft layshaft - mainshaft,

Bsa gearbox mainshaft layshaft - mainshaft,

£19.99
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Bsa kickstart return stop - bsa,

Bsa kickstart return stop - bsa,

£6.99
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Bsa m20 b31 33 - bsa, models

Bsa m20 b31 33 - bsa, models

£33.00
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Bsa b31 b33 - bsa, b31/b33

Bsa b31 b33 - bsa, b31/b33

£34.99
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Bsa a10 a50 a65 - a10,

Bsa a10 a50 a65 - a10,

£22.90
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Bsa b31 b33 m20 m21 - b33,

Bsa b31 b33 m20 m21 - b33,

£39.99
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Petrol tank knee grips - petrol,

Petrol tank knee grips - petrol,

£22.99
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Bsa m20 intake pipe - bsa,

Bsa m20 intake pipe - bsa,

£20.00
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Bsa m20 wm20 b31 b33 - b31, m21

Bsa m20 wm20 b31 b33 - b31, m21

£54.00
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Vintage bsa m20 girder - m20,

Vintage bsa m20 girder - m20,

£14.00
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Bsa m20 m21 rigid gearbox - bsa,

Bsa m20 m21 rigid gearbox - bsa,

£9.99
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Bsa m20 b33 m21 piston - b33, !!!

Bsa m20 b33 m21 piston - b33, !!!

£25.66
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Vintage bsa plunger shafts - bsa,

Vintage bsa plunger shafts - bsa,

£50.30
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Bsa b40 a10 m20 - b40, a65

Bsa b40 a10 m20 - b40, a65

£4.80
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Bsa m20 m23 - m24, harness

Bsa m20 m23 - m24, harness

£82.00
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Cylinder head bolt - bolt, sets

Cylinder head bolt - bolt, sets

£131.96
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For bsa m20 m21 - for,

For bsa m20 m21 - for,

£35.99
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📊95 listings · from £3.6 · avg £36.28
⚠️ These listings were last updated more than 17 days ago. Search for fresh listings

Browse 95 bsa m20 parts listings currently in our index. Prices range from £3.6 to £142.69, with an average of £36.28. 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 95 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 £142.69 — giving you a wide budget spread to work with. The average price of £36.28 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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