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Messages - DOIVEY

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1
Pre War / Re: Rear brake lever lock nut.
« on: 11 July, 2018, 17:59:48 »
Hi Julian,

its for a 1937 B20
on page 126 of the 1937 illustrated edition.

i measured the diameter of the spigot and it is 7/16'' not 26tpi though its more coarse than that

thanks for the info

will launch a search using the 1952 suffix.

Thanks
Doive

2
Pre War / Rear brake lever lock nut.
« on: 10 July, 2018, 21:52:21 »
Hi All,

I'm looking for a lefthand thread lock nut for a B20 part no. EB171/6 according to Mr Main-Smiths parts book.
its a half nut so not so thick, i'm not sure of the thread either.
I've tried Dragonfly (very helpful) but to no avail.
does anyone have any leads to any suppliers.
quite difficult to search on the inter web as i don't know the thread.
any info gratefully recieved.
Thanks in advance
Doive

3
Pre War / Re: 1938 B23 SV Tourer
« on: 29 March, 2018, 21:30:56 »
i just noticed on your photo that your rear wheel cam adjuster (silver snail shell shaped item) is on the outside of the frame and not the inside........problem? or not final fitted yet?
just checking...
D

4
Pre War / Re: 1938 B23 SV Tourer
« on: 29 March, 2018, 21:11:27 »
Hi Pierluigi,
I got a replica hand pump for my B20 on eBay.
eBay item number:122073045747
looks the part, fits lovely and works fine..
your tank should be the same size a my B20.
i did take it apart and extend the spring length to make it a bit tighter fit.

my rear stand has no clip to hold it up, the spring is strong enough to hold it up plus when I'm riding its so noisy and bumpy its the least of your worries.

the kick starter stop rubber I've never seen one so i made one from a solid piece of rubber and drilled a small hole in it then warmed it up the pushed it on. you could use a C clip to hold it on.

the cable set i made bespoke from kits available on the web.

the oil tank cap should be a generic size to all the b series and the part numbers should be the same item even though they are different nos
i can sed a picture of mine if it helps

pillion rubbers and footrest....never seen them.... my b20 wouldn't pull up a slight incline with two on it!!!

hope this helps
Goodluck
D

5
Which BSA do you ride? / 1937 B20/21
« on: 28 February, 2018, 20:28:21 »
This is my B20 which is now a B21 until i fix the B20 engine. 
Basically refurbished metalwork and frame, rebuilt wheels, rebushed and remade fork pins.
sent off the rear hub to have a new cog put on as it was very hooked.
sourced and rebuilt B21 engine as the B20 cylinder cracked and fell into lots of pieces after being relined. could not find a replacement.
since then i have found a new B20 cylinder.
other than that left it as original as poss.
Any questions, place ask.
how many B20's are still running???? would be interesting to know.
Safe riding
D

6
Singles / Re: c11g wiring help
« on: 27 September, 2017, 22:31:24 »
hi
check out the link below

https://www.britishonly.com/pdf/bsa/sectionY_BSAservicesheetno808.pdf
scroll down a bit to sheet 808C contd.

should point you in the right direction.

make sure you have the correct c11g electrical parts fitted otherwise it could get confusing if there are bits from other bikes there with different connections etc...

good luck.

D


7
Which BSA do you ride? / Re: b26 hello just arrived
« on: 20 August, 2017, 21:58:41 »
Hi Nigel,

you'll find most parts including some engine parts are applicable from the B20 right thru to the B26.

Don't get hung up on parts not being the correct number for your Bike.

You'll probably find its the same part with different number stamped on it .

I've have found this restoring my B20. 

I wish there was a big database cross referencing parts numbers across the different models for what the same parts were used.

Good Luck
D

8
Pre War / Re: B21 tappet Clearances
« on: 26 July, 2017, 19:10:03 »
Thanks Julian, much appreciated.

9
Pre War / B21 tappet Clearances
« on: 24 July, 2017, 21:44:59 »
Can anyone in the know enlighten me as to what the clearances are for the inlet and outlet on the B21 please.
when i rebuilt the engine i set them by rotating the pushrods without resistance and making sure they didn't rattle vertically.
i just wondered what the correct values are.
thanks in advance
david

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