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Bola's Swinging Arm D3 Restoration
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Piquet
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January 12, 2015 - 11:47 pm
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rsz_IMGP0666.JPG

 The above is my D5, your D3 should be similar. The picture is taken with the forks turned to the right (in relation to sitting on the bike) you can see where the headstock tube bells outwards to accept the steering cup at the bottom and towards the top right you can see the boss where the tank mounting bolt fits.

Having said all this, I have a D3 swinging arm frame completely stripped of paint and can find no trace of a number on it. dunno

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I'm not a complete idiot ............................................ some parts are missing.

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cocorico
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January 13, 2015 - 9:55 am
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Bola said
HI chicken. Excellent information guys. Now have engine and number stamped is B D3 B so if it's for the bike looks like your D5's are safe jess and Dood Doodkie :-) and I got myself a D3 like you all suspected. 

However the frame numbers are still hard to find. I've checked the head stock and both sides of the frame near the bottom front engine mount. And can't see anything. Either it's not there or I'm looking into the wrong place (or not hard enough).  Any more info on size, length, position of D3 frame numbers would be great . We spent most of the night with paint stripper and a scraper with nothing to show. Looking on Google i can't find any images of frame numbers. Has anyone posted pics on this site? If not please can you show me below to give me a fighting chance tomorrow. To cold in the garage to be stripping paint off all the frame!!   :-)  

Here's the frame number on my D3 (It's grey, Jess).

As Piquet says - it should be on the front downtube, you can see the lug for the front tank-mounting bolt on this photo (plus lots of other stuff).

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1956 D3 running, lights to sort. 7 other bikes in the Barn, 6 runners (when I get time!) and a still in progress Morini 250

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Bola
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January 13, 2015 - 2:39 pm
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Cheers Gents, I'll have another look tonight but i'm sure nothing was on the Head Stock. Might be like your D3 Piquet and have no frame No?

It doesn't look to be deep stamping.

Will keep you all updated and sure to have more questions!! :-) fingers-crossed

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Sprung Chicken
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January 14, 2015 - 8:36 pm
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Bola said
Cheers Gents, I'll have another look tonight but i'm sure nothing was on the Head Stock. Might be like your D3 Piquet and have no frame No?

It doesn't look to be deep stamping.

Will keep you all updated and sure to have more questions!! :-) fingers-crossed

The frame number stampings are notorious for being feint. Take it easy when removing the paint.

Dougie;Glasgow ;Scotland.
1955 D1, 1970 B175

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Bola
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January 14, 2015 - 9:25 pm
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I'm down to the metal and no sign of a frame NumbercryNot even a glimmer. Is there anything else i can do or check to get the number or exact age?

I have got the casting number. 90 4297. Can i get anything from that?

From the research and the help from you all we have come to the conclusion that the bike is a 1957 D3 "Swinger"

Judging by the colours i have seen of the bikes of that time the frame colour will be black and the body maroon.

 

Hope you all agree

smile

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d3dan
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January 14, 2015 - 9:43 pm
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I had the very same problem when I started on my D3'it took me a week to find.Then the magnifying glass came out and I found it on the left hand side of the headstock,it is not a bold stamping,in fact it is really quite weak.i stripped the paint down to the bare metal and then rubbed it with a cloth,then I found it.When I did find it I masked it off with some tape,so when I painted the frame,it was still clearly visible and then I just lacquered over it,so now it stands out like a sore thumb.I hope you find it,keep persevering.

regards Dan....Ps I should have said before you laquer it,make sure you take quite a few pencil rubbings of it,as you will need these,if and when you need to get it registered for the number plate......

Currently running a BSA Bantam 1956 D3 and also have a 1964 D7 Super awaiting restoration.

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dimitris
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January 16, 2015 - 12:41 pm
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cocorico said
Here's the frame number on my D3 (It's grey, Jess).

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Bob, Is that a grease nipple on the frame??? confused To grease what??

BSA D1, 125cc (1952)---BSA D10 Sport 175cc (1967)---Triumph Cub T20 (1960)

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Derek's D5
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January 16, 2015 - 4:39 pm
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To grease the steering bearings. Probably should do mine!

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dimitris
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January 16, 2015 - 8:23 pm
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Dookie said
To grease the steering bearings. Probably should do mine!

Ahh..now i understand were is located! I have one too..thumbs-up

BSA D1, 125cc (1952)---BSA D10 Sport 175cc (1967)---Triumph Cub T20 (1960)

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Bola
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January 23, 2015 - 1:31 pm
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clip.JPG

 

Great info again guys,

Ahh now i suspicious as no grease nipple on my frame. And even more worrying there is no number that i can see!! :-(

I have semi put all the bits together and its looking like a bantam :-)

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Derek's D5
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January 23, 2015 - 2:48 pm
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OK so the front mudguard- that stay in the middle should be behind the fork leg- it bolts onto the two holes at the bottom. The footbrake is miles too far back- usually the front of the pedal would be alongside your circular timing cover on the left side of the engine. The brake pedal pivots on the same bar as the footrests. Can't see any footrests either! and finally it could be bad news for me and Jess- your D3 battery cover doesn't seem to fit very well in the space (unless it's an illusion caused by the angle of the photo), suggesting that you have a D5 frame. Howard suggested on page 1 of this thread that this bike could be a D5 swinging arm or a D3 plunger, and it's clear from this photo it isn't a plunger. The D5s have a slightly longer frame than the previous models and it's because this rear part of the frame was made slightly longer. The side cover and toolbox are different for this reason. Looks like you have non-bantam aluminium mudguards too.

This could all be Friday afternoon b*ll*cks though- maybe it is all D3 swinging arm after all!

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jess steele
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January 23, 2015 - 5:50 pm
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ummmm subframes a d3 swinger,like piquet said d5 subframes got a tubular bar at the back not a press steel fitment...

anyway good luck with it.....

ps your first names not eddy is it bola,EG,ebola...quite infectious these bantams.......get-me-coat

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Bola
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January 23, 2015 - 7:43 pm
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The bike is only "tacked" together so i could get a better idea of what i have and haven't got. I was guessing on the location of a few parts so that would explain the funny location of some of the bits :-). Glad you think i got a D3. (But not sure the different between the plunger and swinger, Rear end)? I did notice we need a new rear mudguard and seat.

My Name is Bola but as in Tom and not "E" laugh, Yes they are infectious!! And the fun has just begun!

I see the Carole Nash show is coming up and the club have a stand. I'll be there picking your brains again... and spending hard earned cash on some more parts

thumbs-up

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Maddog Leary
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January 24, 2015 - 1:46 am
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Dookie said
OK so the front mudguard- that stay in the middle should be behind the fork leg- it bolts onto the two holes at the bottom. The footbrake is miles too far back- usually the front of the pedal would be alongside your circular timing cover on the left side of the engine. The brake pedal pivots on the same bar as the footrests. Can't see any footrests either! and finally it could be bad news for me and Jess- your D3 battery cover doesn't seem to fit very well in the space (unless it's an illusion caused by the angle of the photo), suggesting that you have a D5 frame. Howard suggested on page 1 of this thread that this bike could be a D5 swinging arm or a D3 plunger, and it's clear from this photo it isn't a plunger. The D5s have a slightly longer frame than the previous models and it's because this rear part of the frame was made slightly longer. The side cover and toolbox are different for this reason. Looks like you have non-bantam aluminium mudguards too.

This could all be Friday afternoon b*ll*cks though- maybe it is all D3 swinging arm after all!

Looks like my D3 swingarm.  Battery cover should be turned 45 degrees round to right and should then fit... Long lug (white arrow) sits with rear guard frame stay (behind red arrow).

 

possd3.JPG

 MD cheers

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Maddog - 56 Swingarm D3 Major -  Major Works in progress! Machine is fighting against me every which way!

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Derek's D5
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January 24, 2015 - 4:48 pm
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Ah... That would make a difference... Thanks Maddog! You must be back home now. Missing our weather?

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Maddog Leary
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January 25, 2015 - 1:10 am
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Dookie said
Ah... That would make a difference... Thanks Maddog! You must be back home now. Missing our weather?

Cheeky!! I am as it happens - been melting here the last couple of days....  Over the lurgi now, however top management seems to have come down with the upgraded version.......  Has it started snowing yet?..... rofl

MD cheers

Maddog - 56 Swingarm D3 Major -  Major Works in progress! Machine is fighting against me every which way!

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Bola
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June 29, 2016 - 9:18 pm
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Hi All,

Its been about a year since my last post regarding brining a D3 (most of one) back from the dead.

More problems that you guys might be able to help with......

Foot rest, centre stand, stand stop rest and break peddle rest? Can you point me in the direction or give me info on the assembly. I've been looking through online and hard copy manuals and cant work out missing bits?

We have a new foot rest but it looks like we need more spacers and or bushes? also will a bush run the centre of the frame? (none in the below but other each side do a good job of keeping it quite sturdy.)

Footrest.JPG

 

OK next question,

Exhaust. The one I have looks way past its best... Do I re-chrome? (if it is a D3 original) or get new?

If I get new I can't see any with a "cut out" for what I assume will be for the foot rest?

 

can.JPG

 

Many thanks and more questions to follow I'm sure!

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jolon1
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June 30, 2016 - 9:36 am
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Hi Bola, The question regarding the silencer has cropped up before on the forum. I asked the gent who has done chroming for me in the past, but he can't do exhausts and silencers,  because the carbon etc. contaminates the bath. You may know someone who begs to differ.

D7 & D1 Racer

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Maddog Leary
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June 30, 2016 - 12:59 pm
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Gudday Bola,

Your stop plate doesn't look right.  There's supposed to be a lug on the brake pedal end for the return spring for the pedal.  See pic below.

Orig_levers_brk_plate.jpg

MD cheers

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Maddog - 56 Swingarm D3 Major -  Major Works in progress! Machine is fighting against me every which way!

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Iain
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June 30, 2016 - 1:14 pm
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