BSA M24 parts for sale and wanted

Please let me know if you have any pre-war M series bikes or parts for sale or wanted.
Call back regularly as I update the page.

M24 Parts for sale: See below for further details

1938 Oil tank mounting rubber grommets (Set of 4)

1939 KM24 Silencer...one only...see below 

M24 Cylinder Head Gaskets

M24 Engine Gaskets

1938 M24 cylinder barrels - NEW UK made

M24 82mm Cylinder Liners

M24 Rear Brake drums

Oil tank caps - all 37/38/39 M-series - New repro.  

 1939 M23/M24 Rear Number plates - New repro. 

1939 KM23/24 Fuel tank badges - New repro.   

M24 82mm STD Pistons ...….SOLD OUT

Gearbox parts - all 37/38/39 M-series  



 1938 Oil tank mounting grommets

New from original pattern. Will also fit all other 1937-8 B- & M-series bikes.
BSA part Nos 66-8324 or 66-8326

Set of 4 rubber grommets £12 - Available from Jeff Hunter (the rubber man) at jeffalanhunter@aol.com  He does all sorts of rubber parts including footrest rubbers, tank kneegrips, handlebar grips etc


1939 KM24 Silencer

Made by Armours using original pattern. Excellent quality chrome plating.     £120 plus postage

BSA M24 Cylinder Head Gaskets

Made to original pattern                                                                    £30 each plus postage


M24 Engine Gaskets

I have for sale various new gaskets for the M24 engine which have been unavailable for years. These are top quality, made in England from original patterns.
 Prices: Rocker box gaskets - 1 set of 3 (two of No4 & one of No5)  £12       
              Cylinder base gasket ( No2)                           £3.50
              Tappet cover gasket   (No3)                         £2.50
              Rocker box cover gasket  (No1)                 £3.00                         
All including UK postage. Postage cost covers any number of gaskets.
 Postage to Europe £1.50, Rest of the world £2.50.
 Other gaskets, such as timing cover, KM24 tappet cover & the large cork primary case seal are available from UK BSA dealers. 

New 1938 JM24 type CYLINDER BARRELS

with small 2 screw tappet cover.
See photos below
Standard 82mm bore
Excellent quality, cast and machined in Birmingham UK
£1500 including postage

M24 Cylinder Liners

New British made liner for Standard 82mm bore piston

 £150 including world wide postage


M24 Rear Brake Drums

UK Manufacture.  Correct ribbed 42T type Part No 66-6107

 £100 each including UK postage    Sept 2020 - SOLD OUT - I will try to get another batch of these made in the next 3 months


BSA M24 Oil Tank Caps

Available from Nigel Berry, in Victoria, Australia. They are made with the correct size thread and fit perfectly. Contact  Nigel on notewell@optusnet.com.au for further information


NEW 1939 M-series REAR NUMBER PLATE/TAIL LIGHT MOUNT

These will fit all 1939 BSA M20/21, M23 and M24, and B-series bikes. BSA Part Number 65-6919 or 65-6803.

UK made in mild steel using an original 1939 pattern, with correct curved top mounting plate.                                Will need two 1/4in holes drilled in top mounting to suit your rear mudguard, 3 holes for Lucas stop/tail light and paint.  

Selling at cost - £150 each plus postage 


1939 KM23 & KM24 Tank Badges

New, excellent quality, well finished.                          
Made in Germany in brass or aluminium. To suit Gold Star or Silver Star

Contact Hubert Runte at h.runte@gmx.de for more information and pictures.


Gearbox parts - all 37/38/39 M-series

I have a good stock of parts for pre-war M-series gearboxes - please Email me with your requirements