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Starting trouble after re-bore.

October 11, 2011, 8:31 am
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Had a rebore and fitted an oversized piston. Since putting it all back together I have managed to start the bike once but it took me ages. I did have a good ride. Now it is very difficult to start. yesterday I was trying to kick start it on and off all da...
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B175 port timing

October 12, 2011, 12:52 pm
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Can any kind person give me the port timings for a B175?
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D1 Ignition Coil - no sparks

October 14, 2011, 9:59 am
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Hi all, I have a 1954 D1 which has (I think) the correct Wipac generator fitted. When I bought it it was running fine and then the coil went. I replaced it with an aftermarket one. They seem to be either blue or green. Mine is a blue one with 2 small wire...
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Bantam speedo drive ratios

October 19, 2011, 12:24 am
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Does anyone know which bantams had which ratios? I'm after a matching pair for my D3I have a spare speedo but no idea what drive ratio it is, and a spare drive but don't know if the two are suited to each other!?!?Also I'm not sure if the drive and speedo...
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Anyone with a D7 ?

November 4, 2011, 8:03 pm
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Would anyone with a D7 be kind enough to measure the following bolt lengths please? Doesn't have to be super precise, but if their is any estimation with the ruler could you err on the longer side? Length of the bolts that holds the triangular plate (that...
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sprocket

November 10, 2011, 2:11 pm
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hi all, pleased everything is up and running again, i am almost finished my plunger trials bantam and i am looking for a larger back sprocket say 58 to 64 tooth with nine hole fixing has anyone got one for sale or know where i can buy one. Paul
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Silver Bantam Paint

November 11, 2011, 2:00 pm
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Hi Could anybody help me with paint colours and petrol tank pattern/design for my 1967 Silver Bantam D10, every thing is now ready for spraying, but need somebody who knows what they are doing! Regards Rex
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D7 Ignition timing

December 4, 2011, 1:24 pm
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I thought I had posed this question on the Forum previously, But cant find it. Brain fade perhaps? I have rebuilt a bantam which has been in boxes for at least 30 years. The frame is a D1 Plunger No. BD 2S-65001, apparently a 1960, about the time of the p...
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Electronic Ignition ??

January 11, 2012, 6:10 pm
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Hi Has anybody used one of Rex Caunt racing ignition system....basically I'd like an impartial appraisal how they perform and what they are like to install I am intending to fit the one with the lighting set.Many thanks in anticipation.Bob
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Wipac series 55 AC output only

January 15, 2012, 8:34 pm
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HiCan anyone who understands things electrical tell me how to convert the output from my wipac 55 to AC only. I have read that taking out the earth screw from terminal 4 is necessary and then connecting this terminal to the rectifier?? I have a battery ...
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D1 Fork Dilemma

January 30, 2012, 9:36 pm
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Hello from Canada.I'm helping a young fellow (just turned 16) who recently bought a 1952 Bantam D1 with plunger frame as his first British bike project.The machine was complete, but in tired condition.Thought we'd start at the front, and have stripped out...
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Mist Green Paint

February 4, 2012, 10:55 am
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Hi,Does anyone know a source for a small amount of Mist Green, preferable in a rattle can?I just need to respary the exhaust fish tail and a couple of minor touch ups. I know 'Bantam John' sells larger volumes unthinned but that would be overkill for wha...
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condensor

February 18, 2012, 9:43 am
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looking for a condensor for my di
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lucas generator

February 27, 2012, 9:59 pm
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Hello everyone,I have just joined the forum, because im restoring a 1953 bantam D1.I am currently re-building the engine and have come across my first problem. It is fitted with the Lucas 1A45 generator and i am struggling to remove it? I have removed the...
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BSA Bantam D14 engine and frame numbers

April 3, 2012, 11:27 am
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I'm selling my Bantam D14. The engine number is D14B followed by four numbers. The frame number is D14B also followed by four numbers. Although the frame and engine numbers do not match, I believe this was common at the time. The problem I have is that th...
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D7 Stantion Removal

April 24, 2012, 7:12 pm
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Help !! im trying to change the stantions and springs on a 64 D7.ive removed the forks and unscrewed the cups off the fork legs as per Haynes manual unscrewed drain plugs but the stantions refuse to slide out ! any ideas please ??Rich
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Front wheel dont sit centeraly between fork legs

May 10, 2012, 7:00 pm
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Hi all just joined your forum there sure is some good info here. I am rebuilding a D7 after its been in garage in bits for 20 years . All going quite well got the engine running. My problem is that I have the wheels rebuilt but when I fit the front wheel ...
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What Front Tyre for a D14/4 ?

May 11, 2012, 11:19 am
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The Bantam passed the MOT today but with an advisory notice about the front tyre sidewall showing early signs of perishing. An AVON Speedmaster MkII 3.00-18 is currently fitted. What is considered a good replacement these days please ?ThanksDarrell
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Head bolt torque for 1951 D-1 125cc Bantam

May 14, 2012, 3:18 pm
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Does anybody know the recommended torque setting for the head (nuts actually) on the 1951 D-1 Bantam? I can't seem to find it in the tech manuals so I am just guessing at it now. Your information would be appreciated!
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What is typical compression reading from a 125cc D-1 Bantam?

May 14, 2012, 3:24 pm
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Has anybody out there ever measured the compression of the D-1 Bantam? I am getting very low output (by other bike standards) - under 90 psi, and wondering if I have some "issues" that need to be addressed. I did put in new rings to spec and honed the c...
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