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1957 D3 build
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BSAdave
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July 24, 2015 - 10:29 am
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Well, last night i found a tin of ivory white ans sprayed the panels on, Today it is raining so no pictures.

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

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BSAdave
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August 1, 2015 - 12:07 pm
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I have had the engine running but have had problems with rust, even with a in-line filter fitted very tiny particles are getting through into the carb . Last week I visited Kempton auto jumble and purchased "slosh" so I put this in the petrol tank yesterday afternoon, after giving it a good clean out using SP 10 Tank kleen, just hope it does what it says on the tin. It says to leave t for 24 hrs before putting petrol in the tank but if you can leave it up to seven days before use the better. I'm in no rush so will leave it until this time next week. If this works i will do the same to the D1 tank. 

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

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Hans Kreuzen
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August 1, 2015 - 2:32 pm
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Hope it cleans the rust Dave, and stops the blockage in the carb all the time,fingers-crossed  

I lined my D1 tank with sealer after I got the rat skeleton and rust out of it.

1950 D1 plunger for daily use, Concourse 1948 D1 rigid, Black 1953 D1 plunger nearly done and a 1949 rigid D1 survivor.

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BSAdave
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August 2, 2015 - 9:29 am
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Thank you Hans,

what is it with wild life ? you with the rat skeleton and cocorico with his maggots.

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

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cocorico
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August 2, 2015 - 12:24 pm
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bsadave said
Thank you Hans,

what is it with wild life ? you with the rat skeleton and cocorico with his maggots.

Perhaps we should start another thread, similar to the 'Black Museum'?  But what to call it?

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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Mags 1
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August 2, 2015 - 1:49 pm
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Keep the maggots Cocorico, your Bantam will eventually "fly"!!!

Four now on the road and at least several in bits.

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cocorico
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August 2, 2015 - 2:22 pm
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Mags 1 said
Keep the maggots Cocorico, your Bantam will eventually "fly"!!!

Hmm - take a look at the next post on my rebuild. doh

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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BSAdave
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August 15, 2015 - 3:08 pm
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After the fire I have nearly got it back to how it was, I have touched in the paint on the tank, i still need to cut in the white panel I'm not happy with it but it will do for the time being , just can't bare the thought of having to do it all again. all rewired and running again. I didn't like the way the front mudguard was fixed , this was also changed about this morning. The exhaust pipe needs looking at as I cant fit the side panels with it like it is, now I'm not sure if I really want to fit them. More time thinking about that. Now it is time to try and get a V5. thumbs-up

today.JPGtoday2.JPG

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

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Maddog Leary
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August 15, 2015 - 5:20 pm
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Good to see the bike back to normal!.  Do you have a pic of the exhaust side of the bike. Interested as not sure what your problem is with the side panels.

MD cheers

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

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BSAdave
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August 15, 2015 - 5:22 pm
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Hi MD,

I have a high level stubbie can on it

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

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BSAdave
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August 15, 2015 - 6:16 pm
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feature=youtu.be

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

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dimitris
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August 15, 2015 - 7:10 pm
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Good that you have found the strength to do all that work to bring it back running.

I am sure soon you will fix the paint too!

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

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BSAdave
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August 19, 2015 - 10:09 am
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I went for a ride on a private road on the D3 , it went well but comes out of 3rd gear under load, so,

Spare D3 engine with D7 barrel fitted to D3. Old D3 Engine taken out to fix third gear problem, then I need to take the D1 engine out and put the D3 in its place that is of cause once I have split it to fix the gear problem. the reason for removing the D1 engine?

where I live there a lot of hills and the D1 engine struggles to cope and it also suffers from bad piston slap and the clutch issue. all very confusing. But the D3 engine with the 175cc barrel has a new piston rings and has been re bored +40, I had trouble with flooding with the 375 monobloc carb and not wanting to burn the Bantam again I fitted a Amal concentric carburettor it now runs but I need a different throttle cable now. 

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

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Maddog Leary
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August 20, 2015 - 2:53 am
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I had the same issue with mine back in the day and had to hold her in gear with my foot.  Have since found out it is likely be the spring and ball bearing on the gear positioner thingy (see pic) need replacing.

Selector.jpg

Hope this is of help.

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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BSAdave
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August 20, 2015 - 9:25 am
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Cheers MD,

If the post man ever gets here I will be doing this today and depending on what time he arrives I am hoping to swoop the engines over. 

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

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BSAdave
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August 20, 2015 - 4:40 pm
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Today as been a testing time for me.

I have been testing different needle height settings on the carb and it is nearly right but I'm still not happy with it, also the stubby exhaust was causing me problems, it was too loud and it was affecting the paint on the rear shock, this was soon rectified by digging out the long silencer and fitting it, to do this I had to make up a bracket to hold it up, I then sprayed it with silver paint, this probley won't last long but i willl see how it goes if it does burn off then I will get some VHT paint.

Does any one know what this silencer is from?

longjpg.jpgstuby.jpg

I'm also going to remove the main stand as it does not allow the bike to be stood up on it any way, if you look at the top picture you can see it is clearly bent. 

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

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dimitris
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August 20, 2015 - 7:17 pm
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bsadave said

Does any one know what this silencer is from?

Isn't that a D1/D3 silencer?? (after 1950)

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

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Maddog Leary
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August 21, 2015 - 1:32 am
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dimitriscy said

bsadave said
Does any one know what this silencer is from?

Isn't that a D1/D3 silencer?? (after 1950)

Think you may be right Dimitriscy, it usually runs under/beside the clutch outer case hence the length and has a lug that allows it to be connected to the rear frame.

MD cheers

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

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BSAdave
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August 21, 2015 - 12:20 pm
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Another day and another carb fitted this time a 26mm Mikuni , a much better arrangement. It needed a bit of alteration to the flanges but it is on and working.

The problem I had with the concentric carb was no matter what setting I used the engine just did not rev right it struggled to hit 40 MPH and for a 175cc engine this was just not right, I rode the other D7 engined Bantam on the same bit of road and that would hit 50 MPH with out any problems. I took a punt on this carb and at only £22.99 including postage it was worth a go.

The 26mm Mikuni is a much better arrangement. It needed a bit of alteration to the flanges but it is on and working and the D7 air filter fits on with out any modification. it pulls much more eagerly  and it hit the 50 MPH with out any problems. It is fitted as it came out of the box. I need to do a longer run and do a plug chop to see how it is running. But for now I am a lot happier than i was yesterday. 

PS the exhaust is a lot more a pleasant sound as well.

carb.jpgcarb2.jpgfitted.jpg

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Skid
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August 21, 2015 - 1:41 pm
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I've got one of these on my D7 Dave with much the same results though I had to fit an inline filter to stop the float needle from bieng held off and causing massive overflow issues. The Mikuni has no in built filter unlike the concentric and monobloc. Couldnt see one in your pics but maybe you have overcome the issue in another way..

Best

Skid 

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