B23 restoration so far

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Your B23 restoration so far - from another B23 owner

Postby b23deluxe » Fri Jun 15, 2012 9:39 pm

Steve,

Registered on this site ages ago but never able to log in - sixth attempt tonight Iand I'm in Hurrah!

You are doing wonders on the B23 - I purchased the 39 B23 De Luxe from Cheffins Auctions in October last year by mistake. Once home discovered despite having been sold with MOT that wheel bearings, head bearings and girder fork links were all shot - also disovered the complete lack of information applicable to the machine.

This week I have actually had her on the road after eventually managing to replace the head bearings - couldn't understand why no matter how yo adjusted the bearings 300 yards down the road they were the same,lethal on attempting to replace the original threaded section cups realised the head pinch bolt is not in fact a pinch bolt but a twin sided cotterpin which has to be punched out prior to adjusting the head bearings. Have done around 50 miles on her today and I can actually go round the roundabouts.

Difficulty in starting when warm / hot but without the customary failure when hot (magneto break down) had me scratching my head for ages so put hand in pocket and had magbeto rebuilt - which made no difference ....timing etc was set correct for the De Luxe (different to the standard) but bike was reliable until you stopped and then no way would it start. B23's are of course supposed to have short reach plugs although if you look at the removed head with 1/2" plug screwed home you notice the plug tip is still inside the spark plug hole putting a 3/4" plug in showed the end of the thread was in the combustion chamber but clear of the valves so I tried it - bike started hot or cold although I was concerned it would be overheating. Contacted Tim Green who assured me that short reach plug was correct and lots of thirties machines actually had plugs recessed inside the head?

Dilema seems to now be sorted as despite being told they don't exist I have now fitted projected tip short reach plugs NGK BP6HS to be precise.

I have no idea how slow these bikes were but mine seems happy plodding along around 45 mph it doesn't have a speedo only a push bike computer which makes it legal for use on the road - speedo's of course being a legal requirement bu not necessary for the MOT.

I do wish you every success with your project and it is really nice to discover I am not the only B23 owner out here - I am in Northamptonsire where abouts are you?

Matt
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Re: B23 restoration so far

Postby Tman » Fri Jun 15, 2012 9:52 pm

I've got a '36 B25, does that count?

Small query, where does the rear end of the head-steady attach to? The rear frame portion's top through bolt?
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Re: B23 restoration so far

Postby b23deluxe » Fri Jun 15, 2012 10:07 pm

Tman

On the B23 deluxe the head steady is about 9" long and shaped so as to fit through the main frame bolt directly under the saddle.

Matt
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Re: B23 restoration so far

Postby coffin dodger » Sat Jun 16, 2012 7:49 am

Hi Matt,
Welcome to the forum, and as you say, I'm pleased to find out that I'm not the only one out there with a B23, My project's stalled at the moment, bad weather and a broken foot have stopped me from actually geting on with anything constructive, it hasn't stopped me from buying bits that I'm going to need though :206 I had to bite the bullet and buy a Chronometric, I managed to find a new old stock chrono that will do the job nicely.

u k fl ag

Because my B23 was a wreck when I got it, I had to do a total stripdown so I managed to find the pinch bolt early in the job which saved a lot of problems later, Draganfly have been good with the parts situation, if you dont have one, I'd recommend a copy parts list from them, it's handy for cross referencing part numbers, Thanks for the tip on the plugs, I'll make a note of that, it may save me a few problems in the future.

I was hoping to have had the bike finished by August but it looks like it will be much later now, still looking on the bright side, by November it will be MOT exempt anyway, I'll still take it in for the test though, I'd sooner know it's right and I havn't missed something silly. Interesting to know that they will plod along at 45ish, I thought the speedo was 'optimistic' going up to 80, not that I plan to be doing any great speed when I'm done, there are lots of country roads and lanes round here where you can potter along at 30 to 40 mph, enjoy the ride and take in the scenery at the same time or am I just showing my age :203 BTW, I'm in Beverley, East Yorkshire, good flat riding country.

Regards
Ray
If you can't fix it with a hammer, you've got an electrical fault !
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Re: B23 restoration so far

Postby b23deluxe » Sat Jun 16, 2012 2:02 pm

Ray,

You found a pinch bolt! tell me where are they still available the one on mine has very thick chrome if not turned from chrome (if thats possible ) but previous owners clearly thought you could just tighten up the head bearings without releasing the pinch bolt hence reason top bearing cones and cups were knackered and also in the process had stripped the thread on the pinch bolt....I tried to put an 8mm thread on it but it was so hard that my dies wouldnot cut - used a stainless nut with slot to try and get a half decent thread ...pinch bolts really knocked home and also locked nut home with a jubilee clip.

The original head bearings of course were threaded so extraction was not the nightmare I expected (my welding is not good enough to weld across the cups inside the head stock) however replacement bearings I ordered from Dranganfly who I regularly use for bits for other bikes were inferior one cone wouldn't fit in the cup and the other cup showed signs of pitting - I have returned them and asked for a refund - sure it was just one of those things but very disappointed.

Lucikly discovered lightening-spares who proved to be incredibly effeicient they also have a wide range of specialist BSA tools many made by them LIGHTNING SPARES LTD,170 CROSS STREET SALE CHESHIRE M33 7AQ TEL 0161 969 3850 Email lightning-spares@lightning-spares.co.uk. Unfortunately only replacement cups for our models were non threaded ( they sell threaded ones for the newer model) just hope I don't have to remove again!

Did your machine have the speedo drive, I assume from front wheel, or did you source seperately also for my future reference what Chrono did you buy a 433?

Beverley - I remeber how flat the area is from when I was younger and much fitter and used to take part in the 150 and 200 Audax cycle (with pedals) ride in the area but old(er) age and "C" has put paid to all my long distance riding. Trying to keep my motorbikes on the road is sometimes difficult especially with my heavier machines - which is also the reason why I have been selling some of my bikes during last couple of years Sunbeam S8 ; Velocette Mac : K series Flying Brick to name just a few.

Hope the foot repairs as soon as posssible - get someone else to do the kicking when you get the B23 completed.

Matt :220
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Re: B23 restoration so far

Postby coffin dodger » Sat Jun 16, 2012 4:34 pm

Hi Matt,

I managed toget a pinchbolt from http://www.vintage-motorcycle.com/index ... xt=65+5084 it was used but still in good order, it may be worth emailing them to see if they have another in there stock, part numbers (for 1939) are ball head clip bolt 65-5084/6, ball head clip bolt sleeve 65-8053/6 and nut isEA80/6, if not, it might be worthwhile looking up your local model engineering club, they should be able to put you in touch with someone with a small lathe who could recut the threads for you. I was fortunate that my cups and cones were fine, plenty of solidified grease though, they cleaned up a treat so I just replaced the balls. I've had similar problems with D/Fly some parts wrong, some worse than those I've been replacing and above all, there 'back order' system, I'm still waiting for parts that have been on back order for months now, If I phone an order through, I wish they would tell me that the parts aren't in stock rather than charging me for them and keeping me waiting :18

Yes speedo drives from the front wheel, it's the same setup as the M20, brass insert in the front brake plate that holds the angle drive, the speedo's a 153, if memory serves me right it's a 2:1, the wheel gears are 34/17, I dont care if it's not acurate anyway, I wont be going that fast :250

It sounds like your in the same boat as me, the MO keeps feeding me pills and telling me to take it easy, OK, I'll accept the pills potions and other treatment but I'm not taking it easy, I've got to have something to keep me occupied, as Terry Pratchet said " inside every old person there's a young one wondering what happened" I'm doing just the same as you, as I get older / worse / more decrepit, the bikes get lighter and lighter, I'm now thinking that when (if) I finish the B23, I might see if I can trade it for something older and even lighter, Maybe a Levis or Connaught two stroke, I'll just have to see what happens and more importantly, how I feel.

Regards
Ray
If you can't fix it with a hammer, you've got an electrical fault !
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Re: B23 restoration so far

Postby Stuart SS » Sat Jun 16, 2012 10:13 pm

Now ~ THIS is what we are about ~

A true dedicated enthusiasts string.. great to see !!

:220

(Just need a few more triples though ! :158 )
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Re: B23 restoration so far

Postby b23deluxe » Sat Jun 16, 2012 10:48 pm

Ray,

Just posted a detailed reply but it seems to have vanished. Also tried attaching a photo of the bike but being a computer luddite failed to get anywhere is their an idiots guide to inserting a picture into the message anywhere - I've looked on the forum but don't seem to be able to discover how it's done.

Thanks for info on pinch bolt - you clearly also managed to source a spares book that actually lists the B23 nothing I have does so further info would again be helpful.

As far as the "Big C" I was given maximum of four months - six years ago and continue to confound consultants who now give me another six months but admit they have no idea what makes me tick - it's all will power. Tomorrow several of us are off to Wells by the Sea for a bike show around 160 mile round trip.......no not on the B23 I will use my modern Moto Guzzi V7 Classic - press the button and away.

Mentioning mind over matter a group of us from our club East Northants Classic MCC www.eastnorthantsclassicmcc.co.uk did a calender girls style Classic Motorbike photo shoot on a freezing day in April and are producing a glossy Calender in aid of the Spinal Injuries Association so keep an eye out for details in the motor bike press - our official launch will be at the Founders Day Bike Show in July - great fun - great bikes (four are mine including the B23) ....not sure about the models!

If I don't find out how to post pictures let me have e mail address via pm and i will send pictures of my current stable.

Matt
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Re: B23 restoration so far

Postby Stuart SS » Sun Jun 17, 2012 12:56 am

If I don't find out how to post pictures let me have e mail address via pm and i will send pictures of my current stable.


We would all like to see your beast ..

Posting photos is quite easy ~

Set up a (free) account with a site such as WWW.photobucket.com

Then up load your image onto the site then as can be seen below, run your moue over the photo and a drop box will appear ~ copy the image code at the bottom and paste into the post box which you want your image to appear ~

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Re: B23 restoration so far

Postby b23deluxe » Sun Jun 17, 2012 7:54 am

Have I done it Stuart? - Now off on the Guzzi to the seaside!

Matt


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