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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 - m20,

Bsa m20 parts book 1940 - m20,

£19.99
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Bsa m20 m21 b31 b33 - m21, sidevalve

Bsa m20 m21 b31 b33 - m21, sidevalve

£25.59
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Bsa m20 m21 gear - bsa,

Bsa m20 m21 gear - bsa,

£65.41
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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 - m20,

Bsa m20 m21 b31 - m20,

£10.57
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Bsa m20 m21 m33 parts - bsa, book

Bsa m20 m21 m33 parts - bsa, book

£13.45
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Bsa m19 m20 - m20, m23

Bsa m19 m20 - m20, m23

£12.95
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Bsa b31 b33 m20 - b31-b33-m20, clutch

Bsa b31 b33 m20 - b31-b33-m20, clutch

£40.00
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Bsa m20 tappet - bsa, wd

Bsa m20 tappet - bsa, wd

£68.30
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Bsa b31 m20 plunger rigid - bsa, b31-m20

Bsa b31 m20 plunger rigid - bsa, b31-m20

£50.00
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Bsa wm20 m20 b31 - b33, gear

Bsa wm20 m20 b31 - b33, gear

£21.60
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Bsa m20 gearbox gears set - gears,

Bsa m20 gearbox gears set - gears,

£100.00
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Bsa motorcycle parts book 1947 - parts,

Bsa motorcycle parts book 1947 - parts,

£30.00
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Bsa m20 m21 m23 - m21,

Bsa m20 m21 m23 - m21,

£39.99
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Bsa kickstart ratchet pinion - kickstart,

Bsa kickstart ratchet pinion - kickstart,

£48.95
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Bsa kickstart ratchet - kickstart, pinion

Bsa kickstart ratchet - kickstart, pinion

£30.00
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Bsa b31 m20 - bsa,

Bsa b31 m20 - bsa,

£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 - parts, book

Bsa motorcycle parts - parts, book

£33.00
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Bsa m20 m21 - m21, 600cc

Bsa m20 m21 - m21, 600cc

£39.99
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Bsa m20 m21 alloy - m20,

Bsa m20 m21 alloy - m20,

£39.00
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Bsa m20 piston - piston, used

Bsa m20 piston - piston, used

£30.00
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Bsa m20 gearbox shell - m20,

Bsa m20 gearbox shell - m20,

£50.00
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Bsa m20 m21 - m20,

Bsa m20 m21 - m20,

£15.00
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Bsa m20 exwd b31 clutch - m20,

Bsa m20 exwd b31 clutch - m20,

£75.00
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Bsa m20 wm20 km20 gear - bsa,

Bsa m20 wm20 km20 gear - bsa,

£72.00
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Bsa gearbox bolt serrated - bsa,

Bsa gearbox bolt serrated - bsa,

£9.99
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Vintage bsa m20 - vintage, girder

Vintage bsa m20 - vintage, girder

£25.00
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Bsa m20 m21 500cc 600cc - m20,

Bsa m20 m21 500cc 600cc - m20,

£43.98
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Bsa b31 b33 - b33, m20

Bsa b31 b33 - b33, m20

£30.00
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Bsa b31 m20 - bsa, plunger

Bsa b31 m20 - bsa, plunger

£39.90
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Bsa kickstart and gear rubbers - kickstart,

Bsa kickstart and gear rubbers - kickstart,

£5.95
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Bsa m20 m21 m33 a10 - m20,

Bsa m20 m21 m33 a10 - m20,

£9.50
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Bsa m20 gearbox main shaft - m20,

Bsa m20 gearbox main shaft - m20,

£31.90
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Bsa m20 m21 b31 gearslector - bsa,

Bsa m20 m21 b31 gearslector - bsa,

£30.00
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Bsa parts book 1939 - 1939, c10

Bsa parts book 1939 - 1939, c10

£29.25
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Bsa m20 m21 m33 b31 - bsa, gear

Bsa m20 m21 m33 b31 - bsa, gear

£40.00
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Bsa m20 m21 m33 - bsa, 600cc

Bsa m20 m21 m33 - bsa, 600cc

£45.00
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Vintage amal 276c - vintage, 276c/1b

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

£95.00
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Original bsa gear - original,

Original bsa gear - original,

£63.17
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Bsa m20 m21 gear - m21,

Bsa m20 m21 gear - m21,

£49.83
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Bsa m20 m21 gear box - bsa,

Bsa m20 m21 gear box - bsa,

£49.83
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Bsa b31 b33 m20 m21 - bsa,

Bsa b31 b33 m20 m21 - bsa,

£42.30
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7523 bsa a10 b31 - a7,

7523 bsa a10 b31 - a7,

£21.99
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Bsa m20 m21 tool - bsa,

Bsa m20 m21 tool - bsa,

£14.40
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Vintage motorcycle bsa - vintage, m20

Vintage motorcycle bsa - vintage, m20

£16.15
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Bsa m20 m21 - change, lower

Bsa m20 m21 - change, lower

£27.99
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Exhaust pipe bsa m20 - m20,, m21

Exhaust pipe bsa m20 - m20,, m21

£83.00
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Bsa m20 m21 iron - bsa, cylinder

Bsa m20 m21 iron - bsa, cylinder

£39.00
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Bsa m20 m21 gear box - m21, shaft

Bsa m20 m21 gear box - m21, shaft

£49.83
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Bsa c10 c11 - c10, b31

Bsa c10 c11 - c10, b31

£65.00
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Bsa m20 gear - 20, layshaft

Bsa m20 gear - 20, layshaft

£33.90
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Bsa b31 b33 - b31, m21

Bsa b31 b33 - b31, m21

£16.15
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Vintage rare bsa m20 b31 - b31, b33

Vintage rare bsa m20 b31 - b31, b33

£94.74
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Bsa m20 exwd - bsa, clutch

Bsa m20 exwd - bsa, clutch

£50.00
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Bsa m20 m21 - m20, box

Bsa m20 m21 - m20, box

£13.74
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Bsa motorcycle parts - bsa, book

Bsa motorcycle parts - bsa, book

£30.00
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Bsa group parts book m20 - m,

Bsa group parts book m20 - m,

£10.80
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Bsa b31 m20 plunger - ,

Bsa b31 m20 plunger - ,

£26.50
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Bsa m20 wm20 gearbox - wm20,

Bsa m20 wm20 gearbox - wm20,

£26.40
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Bsa m20 m21 b31 b32 - bsa,

Bsa m20 m21 b31 b32 - bsa,

£8.25
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Bsa b31 b33 m20 - , new

Bsa b31 b33 m20 - , new

£11.95
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Bsa m20 girder - bsa, m20,wd,

Bsa m20 girder - bsa, m20,wd,

£46.80
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Bsa parts book - bsa, all

Bsa parts book - bsa, all

£28.00
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Bsa b31 b33 - m20, gear

Bsa b31 b33 - m20, gear

£31.90
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Bsa m20 wm2 - clutch, used

Bsa m20 wm2 - clutch, used

£142.69
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Layshaft 2nd gear - -, bsa

Layshaft 2nd gear - -, bsa

£43.99
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Bsa m20 gear box - box., gear.

Bsa m20 gear box - box., gear.

£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 - bsa, b32

Bsa m20 m21 m33 - bsa, b32

£23.99
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Bsa b31 b32 b33 b34 - b31, m20

Bsa b31 b32 b33 b34 - b31, m20

£19.95
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Bsa b31 b33 m20 - bsa,

Bsa b31 b33 m20 - bsa,

£10.80
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Bsa b31 b33 m20 m21 - bsa,

Bsa b31 b33 m20 m21 - bsa,

£23.63
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Bsa m20 m21 - bsa, box

Bsa m20 m21 - bsa, box

£5.44
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Bsa b31 b33 m19 - , m20

Bsa b31 b33 m19 - , m20

£26.00
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Bsa m20 m21 - bsa, stand

Bsa m20 m21 - bsa, stand

£12.95
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Bsa parts book 1949 - bsa,

Bsa parts book 1949 - bsa,

£15.99
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Bsa m20 flywheels - bsa,

Bsa m20 flywheels - bsa,

£100.00
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Bsa gearbox mainshaft - bsa,

Bsa gearbox mainshaft - bsa,

£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 - bsa, b31-33

Bsa m20 b31 - bsa, b31-33

£33.00
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Bsa b31 b33 and - bsa, m20/33

Bsa b31 b33 and - bsa, m20/33

£34.99
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Bsa a10 a50 a65 b31 - a10,

Bsa a10 a50 a65 b31 - a10,

£22.90
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Bsa b31 b33 m20 - b31,

Bsa b31 b33 m20 - b31,

£39.99
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Petrol tank knee grips 8314 - knee, 65-8314

Petrol tank knee grips 8314 - knee, 65-8314

£22.99
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Bsa m20 intake pipe alloy - bsa,

Bsa m20 intake pipe alloy - bsa,

£20.00
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Bsa m20 wm20 b31 b33 - bsa,

Bsa m20 wm20 b31 b33 - bsa,

£54.00
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Vintage bsa m20 - wd, fork

Vintage bsa m20 - wd, fork

£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 - b33, m21

Bsa m20 b33 - b33, m21

£25.66
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Vintage bsa plunger - bsa, shafts

Vintage bsa plunger - bsa, shafts

£50.30
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Bsa b40 a10 m20 a65 - b40,

Bsa b40 a10 m20 a65 - b40,

£4.80
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Bsa m20 m23 m24 wiring - m20, harness

Bsa m20 m23 m24 wiring - m20, harness

£82.00
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Cylinder head bolt sets with - cylinder,

Cylinder head bolt sets with - cylinder,

£131.96
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For bsa m20 m21 - m21, fiber

For bsa m20 m21 - m21, fiber

£35.99
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📊95 listings · from £3.6 · avg £36.28

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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