For Sale & Wanted

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M24 history
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For Sale & Wanted
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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.

Click here for Email

Parts for sale: 

M24 Engine gaskets 

1938 M24 cylinder barrel   

M24 cylinder liners 

M24 Rear Brake drums  

Oil tank caps - all 37/38/39 M-series

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

                 See below for further details

M24 Cylinder Head Gasket
M24 cylinder head gasket

BSA M24 HEAD GASKETS    Made to original pattern  

                                               £30 each plus postage


BSA OIL TANK CAPS: available from Nigel Berry, in Victoria, Australia. They are made with the correct size thread and fit perfectly. M24 type is AU$75, V-Twin type AU$95, both + postage costs. Both types are listed on eBay, at:


You can contact Nigel on

BSA M24 oil tank cap AU$75
BSA M24 oil tank cap
BSA V-Twin oil tank cap AU$95





New M24 cylinder liner

M24 Cylinder Liners: New British made liner for Standard 82mm bore piston

 £150 including world wide postage


New M24 engine gaskets
New M24 engine gaskets

M24 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   £11  
             Cylinder base gasket                        £3.50
             Tappet cover gasket (JM24)        £2.50 
             Rocker box cover gasket             £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 JM24 cylinder barrel
New JM24 cylinder barrel

New 1938 JM24 type CYLINDER BARRELS, with small 2 screw tappet cover.
See photos above
Standard 82mm bore
Excellent quality, cast and machined in Birmingham UK
£1500 including postage

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FOR SALE:     **** Now Available ****
1938-40 NEW UK made finned rear brake drum/ 42T sprocket, as fitted to all M24s, and also 1939 M23 Silver Star, and M20 & M21 Deluxe models. BSA Part No 66-6107. The studs which locate in the hub are 0.3mm oversize, to allow for wear in the hub locating holes. The holes may need light reaming for a good fit.
£120 including Postage.
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Wanted: M22,23,24 Valve Spring top collars, part No 66-274
and Exhaust valve spring seat 66-273

For Sale
  1939 KM24 Tank badges..
excellent reproductions to original spec...see photo below...
CURRENTLY OUT OF STOCK, but working on a new this space
£ 80 per pair plus postage  


Available from me or from Bob Mayow at

***WANTED*** Type 14, bottom feed, 7degree float chamber for a pre-war 10TT carb, or complete 10TT36 or 10TT38 carb.  Top price paid for quality item.

Please Phone me or Email for further details

Click here for Email

Wanted: For 1939 KM23/24 Gold Star or Empire Star
Petrol Tank with instrument panel
Front & Rear wheels/hubs
Girder forks