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1957 D3 SA
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BSAdave
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October 7, 2017 - 8:41 am
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I finally got the seat sprayed in the top coat.

The seat confusion continues, the seat I'm now doing is definitely a D3 swinging arm one but after looking at the post by ** Please log in to view ** mine is the same as cocorico.

And the red one I now think is a D3 swing arm one but fitted with a D5 front mount.

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as you can see from Piquet post of my D5 foam number, the D3 swinging arm one as the same number except the last part is /3.

The D3 foam rubber number.

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fitted onto the bike.

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The bracket I made needs to be re made as looking at Jess pictures it is not high enough .

Finished.

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not got a clue what this pan is for.

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The red seat front fixing bracket , which I now think is a D5 one.

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Does any one know where I can get a new seat foam from?

I could agree with you, but then we would both be wrong

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Piquet
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October 7, 2017 - 10:29 am
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Why re-make the bracket? Use some spacers and longer bolts and adjust till it looks right.

I think the seat with the red cover is for a D5, it has the deeper sides at the front next to the longer front bracket.

The other seat with the clamps at the rear could be for a D1/D3, the front should have a bracket to allow it to bolt on where the single saddle would attach and the rear clamps would go around the rear carrier.

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

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BSAdave
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October 7, 2017 - 10:34 am
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Thank you for that, so many different seats . Any idea where i can get the new foam?

I could agree with you, but then we would both be wrong

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Piquet
West Norfolk
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October 7, 2017 - 10:37 am
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Oops! forgot to say the foam is available from ** Please log in to view ** not cheap though! They are modern polyurethane type they have specially moulded, not like the Dunlopillo original.

If they are not sure tell them it is the same as an A10 round nose. I have one fitted to mine along with the original pan and cover.

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

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BSAdave
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October 7, 2017 - 1:11 pm
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cheers.

I'll give them a call Monday.

I could agree with you, but then we would both be wrong

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BSAdave
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November 8, 2017 - 10:08 am
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At Kempton i purchased two new tyres and inner tubes also got the footrest and pillion rubbers along with a kick start rubber, I had a go at fitting the tyre but managed to cause myself more pain.

All work has now stopped, if you look at the picture there are two clues as to why. 

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I could agree with you, but then we would both be wrong

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Lone Wolf
The Black Country
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November 9, 2017 - 2:04 am
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BSAdave said

All work has now stopped, if you look at the picture there are two clues as to why. 

  

Wotcha.

Here's another one . . . .  .

 

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^..^

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BSAdave
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November 9, 2017 - 10:25 am
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Lone Wolf said

Wotcha.

Here's another one . . . .  .

Took me a little while to see it thumbs-uptip-my-hat

I could agree with you, but then we would both be wrong

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BSAdave
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November 14, 2017 - 8:12 pm
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I thought I would give the tyre fitting another go, this time it worked got both tyres fitted . I then reshaped the middle seat support bracket and that went well, spurred on by this I made up the rear brake rod, this was made from the Honda one I had lying about. 

Has i'm not working t the moment the spend as got to stop but with the bits I have lying about and as needs must i think I can make the missing bits. With this in mind i used what was left of the old foam from an old seat and some foam taken from a old car seat that was waiting to be taken down to the dump I made up the foam for the seat, not perfect but passable from a distance.

I then turned my attention to the front light, for some reason the reflector is blue ??

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Back wheel.

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Brake thingy

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Front wheel.

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I could agree with you, but then we would both be wrong

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BSAdave
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November 24, 2017 - 4:49 pm
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Today it burst into life then promptly died due to lack of fuel. Moving in the right direction.

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I could agree with you, but then we would both be wrong

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BSAdave
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November 25, 2017 - 4:38 pm
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Got it out of the shed and gave it a go round the garden, not one of my best ideas as I hadn't connected up the front brake cant-look

The clutch needs some adjustment, the front brake needs connecting and the wiring needs to be done, like most of my Bantams this will be done the direct lighting method.

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I could agree with you, but then we would both be wrong

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BSAdave
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November 25, 2017 - 4:47 pm
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Just out of curiosity I pointed the temperature gauge at the down pipe , 214℉ when the engine had been running for ten minutes .

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I could agree with you, but then we would both be wrong

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BSAdave
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November 30, 2017 - 10:20 am
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Smoke

 

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I could agree with you, but then we would both be wrong

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diagnosis
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December 7, 2017 - 2:34 am
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Did you have to call the local Fire Department as a courtesy before you last start up?laugh

What do you plan on doing to clean up the reflector lens on the headlamp, can it be saved?  I'm really enjoying the rebuild so far, and look forward to the next update! cheers

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cocorico
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December 7, 2017 - 8:07 am
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BSAdave said
Smoke
 

I had the same problem with mine, Dave, after a year of sitting with a non-starting problem, which I finally got around to fixing. Filled the barn with smoke, so I left it running until it warmed up enough to have blown / burnt it all through. Now smokes a little on starting, then just a haze once warm.

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BSAdave
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February 6, 2018 - 9:26 am
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diagnosis said
Did you have to call the local Fire Department as a courtesy before you last start up?laugh

What do you plan on doing to clean up the reflector lens on the headlamp, can it be saved?  I'm really enjoying the rebuild so far, and look forward to the next update! cheers  

Thank you, i've been thinking about what to do with the headlight and due to my employers lack of compassion to my injury my funds are virtually zero so i had little choice , I  sanded it down cured the rust then under coated it and finally sprayed it with chrome spray, the chrome spray looks great until you touch it then it goes a off silver colour. so as long as you don't  touch it it will do.  The Bantam only needs the wiring doing for the lights then it will be ready for trying to get a V5. Yesterday i got it out of the shed and stated it up and went for a ride around the garden. It does start up really easy even in this freezing cold weather we are having . To warm me up a bit i had a little fire but it got a bit out of hand.

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I could agree with you, but then we would both be wrong

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BSAdave
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February 6, 2018 - 9:28 am
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Top tip, don't put dried palm leaves on a fire.

I could agree with you, but then we would both be wrong

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BSAdave
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February 6, 2018 - 11:45 am
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I spoke too soon.

I went to start it up today and it misfired then would not start. this is why.

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It blew the head gasket apart.

Interestedly i had another D3 engine , i went to see if that had a head gasket but it didn't, but it did have this done to the head.

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Has you can see the ridge on the head has been removed.

I could agree with you, but then we would both be wrong

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Blue Heeler
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February 6, 2018 - 12:26 pm
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That`s what I call toasty!

As for the head gasket,that type do that sometimes,has happened to me a couple of times over the years,in the end I fitted an alloy gasket.Ferguson on here will tell you exactly what`s been happening with combustion flame travel and mixture from your pic above.

I`m guessing it`s less likely to happen with a central plug head,but that`s a bit of work to convert.That other head would raise your compression ratio a tad...now that would blow a gasket!

Blue

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cocorico
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February 6, 2018 - 3:50 pm
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It's happened to me, too. Though usually with a charred track burned through the gasket. It also wheezes on kicking it over...

Also - if you add a spacing washer to your spark plug so that the central electrode is open towards the centre of the head, rather than partially obscured by the earth electrode, you should get better combustion.

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