Search found 6 matches

by BSAdave
Tue Oct 09, 2018 10:50 pm
Forum: Tech
Topic: How thin can a liner be ?
Replies: 5
Views: 628
Flag: England

Re: How thin can a liner be ?

I have a 90mm bore & piston with the standard 90 mm stoke, giving a capacity of 572 cc on my B50 street bike. It has worked well for more than 10 years.
Regards,
Dave
by BSAdave
Fri Sep 21, 2018 8:40 pm
Forum: Parts & Bikes wanted
Topic: B50 ROCKERBOX COMPLETE
Replies: 1
Views: 522
Flag: England

Re: B50 ROCKERBOX COMPLETE

I have a spare B50 rocker box. PM me if you can. Where are you? Regards, Dave
by BSAdave
Thu Feb 15, 2018 10:43 pm
Forum: Tech
Topic: MX50 cam in a SS?
Replies: 12
Views: 1550
Flag: England

Re: MX50 cam in a SS?

I initially bought my B50SS in 1999 with a standard cam and a Japanese 30 mm carburettor. Within two years I replaced the SS cam with an MX cam and enlarged the inlet port to 32mm to accommodate a new 32mm carburettor. The bike was transformed in terms of performance and reliability. I would recomme...
by BSAdave
Thu Sep 19, 2013 10:03 am
Forum: Parts & Bikes wanted
Topic: B50 rear motor/engine mount plates
Replies: 5
Views: 870
Flag: England

Re: B50 rear motor/engine mount plates

Steve,
I have a pair of used engine plates for a BSA B50.
They are slightly worn around the mounting holes.
You can have them for a very small price + postage.
I live in London, England.
Please pm me for for more info.
Regards,
Dave
by BSAdave
Mon Jul 31, 2006 12:42 pm
Forum: Tech
Topic: Twin Spark Head
Replies: 40
Views: 11811
Flag: England

Rich, I am new to commenting in the forum too. I have fitted a twin plug facility to the head of my B50 and it now uses a little NGK CR7E plug in the central position between the inlet and exhaust valves. I had it fitted at the same time as my twin electronic ignition kit. The transformation, of the...
by BSAdave
Thu Nov 24, 2005 3:39 pm
Forum: Tech
Topic: OTJ spares
Replies: 12
Views: 5349
Flag: England

I think that a lot of OTJ's old stock was bought out by Kiddiminster Motorcyles (in the south west midlands of England, south of Birminham). I have bought bits and pieces from there. The contact details are: tel (UK) 01562 66679-825826, or via e-mail onkmc4bsa@hotmail.com They sometimes advertise in...