Author Topic: M20.... to be or not to be...  (Read 890 times)

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Mr Jones

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M20.... to be or not to be...
« on: 30 January, 2020, 20:39:39 »
Hi Guys,

On the verge of buying an un-restored 1943 M20 for around £4500 to £5000 and would like some advice if this is a realistic price. Condition is fair and running but will probably need a full nut and bolt restoration which I am happy to do. I have experience refurbishing classic bikes but have very little experience of BSA's. I did once buy an M20 when I was working in Pakistan years ago and shipped it back to my Dad but unfortunately it had to sold when he stopped riding.

I definitely want an older M20/M21 girder fork model but which one is the best to go for? The only difference between the two that I am aware of is that the M20 is 500cc and the M21 is 600cc, but other than that which is the best model to go for?

Any help will be much appreciated.

Regards, Lindsay 

GLENN

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Re: M20.... to be or not to be...
« Reply #1 on: 30 January, 2020, 21:32:58 »
Hi there, have you any photo's of the M20 in question?  The price could be high depending on the status, or great if it's a beautifully preserved example.  All the best, Glenn

Mr Jones

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Re: M20.... to be or not to be...
« Reply #2 on: 31 January, 2020, 00:39:12 »
Thanks. Hereís a picture of it.

DEAN SOUTHALL

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Re: M20.... to be or not to be...
« Reply #3 on: 31 January, 2020, 08:41:18 »
Hi Lindsay.
When deciding whether to take on a bike/project I only go by how much I wany it. After all hiw can you put a price on the pleasues of the  restoration process or the personal satisifaction of the finished job.

As a one off I did keep a reasonably honest spreadsheet of the spend while restoring a 1944 WM20 during 2018. Including cost of the bike iit was not far short of £5000. Bearing on mind I hand painted it and did not have any wheel building or chroming coats!
BSA: turning ordinary men into mechanics since 1910

Mike Farmer

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Re: M20.... to be or not to be...
« Reply #4 on: 31 January, 2020, 11:31:57 »
 :) :) :)

I bought an absolute wreck WM20 and soon at the stage of starting it. (Last time I got to this point the gearbox jammed up solid at first kick) I guess that its about 4K at the mo.

Mike 8) 8) 8)

Mr Jones

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Re: M20.... to be or not to be...
« Reply #5 on: 31 January, 2020, 12:31:57 »
Thanks guys.

If you donít mind me asking, what did you guys pay for the bikes before starting the work?

Mr Jones

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Re: M20.... to be or not to be...
« Reply #6 on: 31 January, 2020, 12:34:35 »
Also, any recommendations to go for either an early model M20 or M21?

GLENN

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Re: M20.... to be or not to be...
« Reply #7 on: 31 January, 2020, 13:44:25 »
I think if you were going to change the M20 photographed back into a military example then it would be the wrong example as it would involve painting over all the chrome which looks in like it might be in acceptable condition.  It all depends on what you want but it would never be original in anything other than military trim.  Early M20's are a lot easier to find than an M21 example however if you had a choice I'd go for the M21 (WM21).  I gave about £2300 for my M20 prior to restoration.  All the best, Glenn

chaz

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Re: M20.... to be or not to be...
« Reply #8 on: 31 January, 2020, 15:08:02 »
I know of one WM20 1943 with a later M21 1947 motor in, he paid around £4000 for it, we found a motor which better suits the age but starting around £750 could need another few hundred stripping the engine

DEAN SOUTHALL

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Re: M20.... to be or not to be...
« Reply #9 on: 31 January, 2020, 19:53:13 »
Thanks guys.

If you donít mind me asking, what did you guys pay for the bikes before starting the work?

Mine was in pieces having been stripped and left in a shed for many years, a good few of them with the roof caved in. It was missing the tool box, foot rests, rear racks,  panniers and handlebars. I paid £1200 for it!
My previous one was also dismantled but complete. I paid £10 for that one (1970) and an old guy at work let me have his ex MOD one for free. I swapped both of these for a set of drums....I didn't play drums but drugs were cheap in thise days and had a lot to answer for :-[
BSA: turning ordinary men into mechanics since 1910

Mr Jones

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Re: M20.... to be or not to be...
« Reply #10 on: 01 February, 2020, 00:32:42 »
Ha, ha, excellent!!!

Mike Farmer

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Re: M20.... to be or not to be...
« Reply #11 on: 01 February, 2020, 10:04:53 »
 :) :)

I bought mine in 2014 in a woeful state, the engine was in the frame and the rest in boxes. I paid £1700 which I now know was excessive by some margin. Put it down to experience, lack of knowledge and the fact I really wanted a WM20. First problem--NO Piston. Then I found that it had been relined and at some stage had a second, smaller, liner put inside the first (never heard of that one before or since) So as said, I put it down to experience---I just may have been better off digging a hole and dropping a few quid in each month---but its ok and I'll eventually have it running --tomorrow or the next day or the day after that etc. Now is this enthusiasm or just wistful thinking. Its fun really and it keeps the spirits up. :) :) :) :)

Mike 8) 8) 8)

Mike Farmer

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Re: M20.... to be or not to be...
« Reply #12 on: 01 February, 2020, 11:05:18 »
 :) :) :)

I'm trying to get a picture on here to show the original state of mine. In case you haven't guessed its the one in the middle sitting on an old wheel barra. Not very good I know. Also a red A50 and the early phase of another A50

Mike 8) 8) 8)

 

Mike Farmer

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Re: M20.... to be or not to be...
« Reply #13 on: 01 February, 2020, 11:08:09 »
 :) :) :)

In case you haven't noticed I've posted the wrong pic. This one was after I got it on its own wheels

Mike  8) 8) 8)

Mr Jones

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Re: M20.... to be or not to be...
« Reply #14 on: 01 February, 2020, 15:33:59 »
Wow, now thatís what Iíd call a project!!!