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Fellow BSA WM20 enthusiast Richard Corcoran has already built a 1944 BSA WM20 and is now moving on to a far more ambitious
1939 BSA KM20. It involves sourcing early parts such as the front brake rod and brake assembly, the early oil button engine
with magdyno pinion access port in the timing cover, the early rear frame with no pillion footrest mounts and braised on field
side stand mount, not to mention the early pattern shorter field side stand itself.
First we start with the frames:-
| The very early KM numbered frame |
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| The one in red primer is an intermediate model |
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| Intermediate model more detail |
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| Early engine/.gearbox/magdyno assembly off eBay |
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| The same early frame as green two above |
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| After being chemically stripped - reveals all! |
| Note brassy brazing showing clearly |
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| This is where you discover your frames secrets |
And now the rebuild begins! Heres a pic of the primed and topcoated frame reassembled with engine mounting plates and
gearbox fitted, Spare time permitting progress should be encouragingly swift to get all the major lumps back in place - most
of the preparatory work having been done beforehand.
| Note the early frame features - no pillion lugs |
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| and fixed field side stand lug |
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