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Messages - DOIVEY

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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

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


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

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

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

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