Classic Bikes For Sale
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Classic Bikes for sale: BSA B31

The 348cc B31 was the first new bike added to the BSA line immediately after World War II (1945).

BSA B31 Rigid 1950

DERBY, DE72***, UNITED KINGDOM

£ 3500

I bought this bike 5 years ago as a part restored running bike The engine was changed in 2010 and the V5 c which is in my name reflects this The gearbox was stripped and new parts fitted where needed. The engine was rebored to plus 40 thou and the valves, guides and valve springs were replaced The rear wheel was rebuilt and new taper roller bearings fitted as were new brake shoes and the rear tyre Usually starts first kick and rides and runs as it should I am now 75 and am losing a little ... more

Bsa B31 Plunger Model 1953

Prescotot Merseyside, L34***, UNITED KINGDOM

£ 4495

1953 BSA B31 Plunger Model
(sorry about the big read)
This bike was completelyrestored about 12 months ago

The restoration included
New rims, spokes, bearings andtyres
Headstock bearings replaced
Frame powder coated, all tinware 2 pack gloss
All bolts and fastenings instainless
Rewired, solid state voltageregulator
Reconditioned magneto
New chains
No expense spared
Crankcases vapour blasted newmain bearings
Re-bored with new piston to 040??
New ... more
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1949 BSA B31 Motorcycle Plunger Classic Motorcycle

Cheltenham, GL52***, UNITED KINGDOM

£ 3750

A really nice 1949 BSA Plunger 350 B31 in very tidy and clean condition
During my ownership I fitted a brand new (expensive) Amal built and jetted for a BSA B31 which transformed the low engine speeds (the original carb is worn and will come with the bike as a spare). I have only used for a few used it for a few summer runs over the last couple of years and it is a lovely bike to ride with a relaxed engine and great sound
I have some history with the bike including a variety of tax ... more

BSA 1931 ohv barn find motorcycle

Crawley, UNITED KINGDOM

£ 4500

1931 BSA ohv been in a shed for years, kicks over with loads of compression, v5 in my name, bank transfer preferred, any questions please ask.... more

BSA B31 350cc 1955

Barrow-in-Furness, LA13***, UNITED KINGDOM

£ 280

For sale is my BSA b31 in unmolested condition with great patina A very easy bike to start and ride, rarely gets out of the garage, time to move it on Comes with lots of history, books and gaskets. V5 in my name Currently on sorn Tax and mot exempt Cash on collection or bank transfer from Cumbria Mike 07970866769.... more