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Bsa gearbox b31

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Home / Motorcycle & Scooter Parts & Accessories:Vehicle Parts & Accessories / Bsa gearbox b31 refurbished & used for sale | For Sale UK
Bsa b31 b33 - bsa,

Bsa b31 b33 - bsa,

£175.00 · Buy It Now

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Bsa a10 b31 - b31, b33

Bsa a10 b31 - b31, b33

£125.50 · Buy It Now

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Bsa a10 b31 - a7, swing-arm

Bsa a10 b31 - a7, swing-arm

£115.10 · Buy It Now

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Bsa a10 b31 - a10, b33

Bsa a10 b31 - a10, b33

£115.10 · Buy It Now

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Bsa a10 b31 b33 b34 - a7, gearbox

Bsa a10 b31 b33 b34 - a7, gearbox

£5.70 · Buy It Now

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Bsa a10 b31 - bsa, a7/a10/b31/b33/

Bsa a10 b31 - bsa, a7/a10/b31/b33/

£27.20 · Buy It Now

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3131 bsa b31 b33 - b31, m20

3131 bsa b31 b33 - b31, m20

£3.40 · Buy It Now

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Gearbox gasket set - gasket, a7/10

Gearbox gasket set - gasket, a7/10

£8.61 · Buy It Now

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Bsa b31 b33 m20 m21 - b33, gearbox

Bsa b31 b33 m20 m21 - b33, gearbox

£49.99 · Buy It Now

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Bsa m21 b33 b31 - gearbox,, used

Bsa m21 b33 b31 - gearbox,, used

£234.70 · Buy It Now

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Gearbox outer cover - gearbox,

Gearbox outer cover - gearbox,

£6.47 · Buy It Now

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Gearbox clutch arm cover - 2,

Gearbox clutch arm cover - 2,

£4.33 · Buy It Now

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Bsa a10 b31 b33 - bsa,

Bsa a10 b31 b33 - bsa,

£3.90 · Buy It Now

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Bsa a10 b31 b33 series - bsa, a7

Bsa a10 b31 b33 series - bsa, a7

£8.25 · Buy It Now

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Bsa 3005 a10 b33 - a10,

Bsa 3005 a10 b33 - a10,

£17.00 · Buy It Now

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Skf bsa 4065 - 24-4065, gearbox

Skf bsa 4065 - 24-4065, gearbox

£24.99 · Buy It Now

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Bsa b31 b33 pair - bsa,

Bsa b31 b33 pair - bsa,

£49.99 · Buy It Now

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Bsa 350 500 650 - a7, b31

Bsa 350 500 650 - a7, b31

£129.99 · Buy It Now

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4217 bsa b31 b32 - b31, m21

4217 bsa b31 b32 - b31, m21

£11.07 · Buy It Now

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Bsa b31 500 - b31,a7, gear

Bsa b31 500 - b31,a7, gear

£130.70 · Buy It Now

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Bsa a10 b31 plunger and - b31,

Bsa a10 b31 plunger and - b31,

£2.95 · Buy It Now

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Bsa gearbox inspection - inspection, cover

Bsa gearbox inspection - inspection, cover

£15.00 · Buy It Now

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Bsa m20 wm20 - m20, gearbox

Bsa m20 wm20 - m20, gearbox

£21.60 · Buy It Now

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Bsa a10 b31 b33 std - a7,

Bsa a10 b31 b33 std - a7,

£125.00 · Buy It Now

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Bsa a10 b31 - a10, gearbox

Bsa a10 b31 - a10, gearbox

£49.99 · Buy It Now

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Bsa gearbox sprocket - oil, seal

Bsa gearbox sprocket - oil, seal

£6.75 · Buy It Now

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3508 bsa a10 plunger - bsa, m20

3508 bsa a10 plunger - bsa, m20

£9.75 · Buy It Now

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Bsa b31 b32 b34 - b31, gold

Bsa b31 b32 b34 - b31, gold

£53.95 · Buy It Now

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4065 bsa a10 - 24-4065, b33

4065 bsa a10 - 24-4065, b33

£17.95 · Buy It Now

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Dunlop bsa 4065 gearbox - bsa, 24-4065

Dunlop bsa 4065 gearbox - bsa, 24-4065

£16.99 · Buy It Now

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Bsa 4206 gearbox gear - bsa,

Bsa 4206 gearbox gear - bsa,

£69.95 · Buy It Now

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Bsa gearbox transmission - bsa,

Bsa gearbox transmission - bsa,

£64.91 · Buy It Now

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Bsa a10 b31 - b33, c11

Bsa a10 b31 - b33, c11

£67.50 · Buy It Now

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Gearbox sprocket bsa b31 - bsa,

Gearbox sprocket bsa b31 - bsa,

£46.57 · Buy It Now

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Bsa a10 b31 gearbox - a7,

Bsa a10 b31 gearbox - a7,

£3.98 · Buy It Now

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Bsa m20 m21 b31 - bsa, gearbox

Bsa m20 m21 b31 - bsa, gearbox

£44.99 · Buy It Now

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Bsa a10 b31 b33 b34 - a10,

Bsa a10 b31 b33 b34 - a10,

£3.45 · Buy It Now

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Bsa a10 b31 b33 swinging - bsa,

Bsa a10 b31 b33 swinging - bsa,

£5.98 · Buy It Now

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Gearbox sprocket 18t for bsa - sprocket,

Gearbox sprocket 18t for bsa - sprocket,

£34.85 · Buy It Now

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4065 bsa nke premium - 24-4065,

4065 bsa nke premium - 24-4065,

£14.90 · Buy It Now

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Gearbox inner outer cover - inner+,

Gearbox inner outer cover - inner+,

£6.47 · Buy It Now

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Bsa a10 b31 - bsa, outer

Bsa a10 b31 - bsa, outer

£39.99 · Buy It Now

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Gearbox clutch arm cover - 4,

Gearbox clutch arm cover - 4,

£5.40 · Buy It Now

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4217 bsa nke premium - (nke,

4217 bsa nke premium - (nke,

£14.98 · Buy It Now

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Bsa a10 b31 gold star - bsa,

Bsa a10 b31 gold star - bsa,

£18.95 · Buy It Now

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Bsa gold star - star, quality

Bsa gold star - star, quality

£73.24 · Buy It Now

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Bsa m20 m21 - m24, b31

Bsa m20 m21 - m24, b31

£17.99 · Buy It Now

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Bsa b31 b33 m20 - m33, rigid

Bsa b31 b33 m20 - m33, rigid

£2.90 · Buy It Now

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Bsa b31 b33 b34 - b40, b50

Bsa b31 b33 b34 - b40, b50

£3.65 · Buy It Now

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Bsa b31 b32 - b31,b32,b34, oil

Bsa b31 b32 - b31,b32,b34, oil

£52.95 · Buy It Now

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Bsa a10 b31 b33 b34 - bsa,

Bsa a10 b31 b33 b34 - bsa,

£3.90 · Buy It Now

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Bsa a10 b34 - b33, b32

Bsa a10 b34 - b33, b32

£11.00 · Buy It Now

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Selection bsa b31 engine - of,

Selection bsa b31 engine - of,

£1.55 · Buy It Now

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Bsa a10 b31 b32 b33 - , a7

Bsa a10 b31 b32 b33 - , a7

£35.00 · Buy It Now

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Bsa a10 b31 b33 - a10, gearbox

Bsa a10 b31 b33 - a10, gearbox

£9.49 · Buy It Now

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Bsa m20 m21 m22 - m20,, m21,

Bsa m20 m21 m22 - m20,, m21,

£5.44 · Buy It Now

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Vintage motorcycle bsa outter - motorcycle,

Vintage motorcycle bsa outter - motorcycle,

£26.70 · Buy It Now

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Bsa a10 gearbox layshaft 2nd - bsa,

Bsa a10 gearbox layshaft 2nd - bsa,

£16.15 · Buy It Now

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3346 gearbox inner gasket - gearbox,

3346 gearbox inner gasket - gearbox,

£3.00 · Buy It Now

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Bsa m20 m21 - m20,

Bsa m20 m21 - m20,

£44.99 · Buy It Now

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Bsa a10 b31 - b31, clutch

Bsa a10 b31 - b31, clutch

£17.99 · Buy It Now

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Bsa a10 b33 - bsa,

Bsa a10 b33 - bsa,

£19.00 · Buy It Now

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Bsa a10 b31 b33 swinging - b33,

Bsa a10 b31 b33 swinging - b33,

£6.15 · Buy It Now

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Bsa a10 b31 b33 gear - a10,

Bsa a10 b31 b33 gear - a10,

£12.94 · Buy It Now

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Gearbox shell for bsa - shell,

Gearbox shell for bsa - shell,

£15.00 · Buy It Now

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Bsa a10 b31 - a10, b33

Bsa a10 b31 - a10, b33

£19.36 · Buy It Now

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Bsa spring clutch gearbox - clutch,

Bsa spring clutch gearbox - clutch,

£23.99 · Buy It Now

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Bsa b31 b33 m20 - b31, m33

Bsa b31 b33 m20 - b31, m33

£6.15 · Buy It Now

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Bsa gear 20t - bsa, mainshaft

Bsa gear 20t - bsa, mainshaft

£10.99 · Buy It Now

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Bsa m21 b31 b33 a10 - bsa,

Bsa m21 b31 b33 a10 - bsa,

£14.99 · Buy It Now

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Bearing gearbox high gear - gearbox,,

Bearing gearbox high gear - gearbox,,

£6.62 · Buy It Now

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Bsa a10 b31 b33 - bsa,

Bsa a10 b31 b33 - bsa,

£19.36 · Buy It Now

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Bsa gearbox gear - bsa, fork

Bsa gearbox gear - bsa, fork

£29.99 · Buy It Now

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Bsa gear 19t - gear,

Bsa gear 19t - gear,

£24.99 · Buy It Now

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Bsa a10 500cc - bsa, 650cc

Bsa a10 500cc - bsa, 650cc

£210.00 · Buy It Now

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Bsa a10 b31 500 - a10,

Bsa a10 b31 500 - a10,

£199.99 · Buy It Now

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Bsa a10 b31 b33 gearbox - a10/a7/b31/b33,

Bsa a10 b31 b33 gearbox - a10/a7/b31/b33,

£52.70 · Buy It Now

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Bsa a10 b31 b33 500cc - b31,

Bsa a10 b31 b33 500cc - b31,

£119.99 · Buy It Now

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Bsa m20 m21 - m20,

Bsa m20 m21 - m20,

£26.99 · Buy It Now

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Bsa singles mini - 31,

Bsa singles mini - 31,

£4.65 · Buy It Now

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Gasket gearbox outer - gearbox, a7

Gasket gearbox outer - gearbox, a7

£3.95 · Buy It Now

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Bsa b33 b31 - m20, m21

Bsa b33 b31 - m20, m21

£68.30 · Buy It Now

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Bsa a10 b31 b33 - b31, swinging

Bsa a10 b31 b33 - b31, swinging

£19.40 · Buy It Now

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Gearbox inspection cover - gearbox,

Gearbox inspection cover - gearbox,

£5.40 · Buy It Now

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Bsa a10 b31 b33 swinging - a7-a10-b31-b33,

Bsa a10 b31 b33 swinging - a7-a10-b31-b33,

£160.00 · Buy It Now

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Bsa a10 b31 b33 gear - bsa,

Bsa a10 b31 b33 gear - bsa,

£8.99 · Buy It Now

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344 gearbox gasket set - set, for

344 gearbox gasket set - set, for

£12.00 · Buy It Now

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Bsa a10 b31 - , star

Bsa a10 b31 - , star

£14.50 · Buy It Now

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Bsa a10 b31 b33 - bsa,

Bsa a10 b31 b33 - bsa,

£1.17 · Buy It Now

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Bsa a10 500cc - a7, 650cc

Bsa a10 500cc - a7, 650cc

£329.99 · Buy It Now

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Bsa a10 b31 - bsa, gold

Bsa a10 b31 - bsa, gold

£12.00 · Buy It Now

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

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

£30.00 · Buy It Now

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Armoured oil feed pipes - 2,

Armoured oil feed pipes - 2,

£59.99 · Buy It Now

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Tab washer gearbox sprocket - tab, washer,

Tab washer gearbox sprocket - tab, washer,

£2.30 · Buy It Now

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Gearbox sprocket 18t - 18t, bsa

Gearbox sprocket 18t - 18t, bsa

£34.80 · Buy It Now

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Gearbox sprocket 18t - sprocket,

Gearbox sprocket 18t - sprocket,

£36.46 · Buy It Now

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📊96 listings · from £1.17 · avg £41.24
⚠️ These listings were last updated more than 24 days ago. Search for fresh listings

Browse 96 bsa gearbox b31 listings currently in our index. Prices range from £1.17 to £329.99, with an average of £41.24. 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 gearbox b31 →

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Everything you need to know about bsa gearbox b31

Whether you are looking for a brand-new or second-hand bsa gearbox b31, 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 £1.17, while premium listings can reach £329.99 — giving you a wide budget spread to work with. The average price of £41.24 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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