www.b50.org

Hi Mark. Sorry but I have not been on the site for a long time.Yes I have bend the pipe,I fill it with sand and plug the ends with wood-plugs, then I put one end in a vice, and heat the pipe with a welding flame, and then you bend.You have to do some before you get a nice pipe,I think that I have ma...

Hi Richard.
I have sold one of my B50 T,B50T GE 14219 ,but I have a B25 T ,NEO 1400B25T,matching numbers,that I not have been able to put in the register,can you help me with that ?
Best regards Anders Palm.

Hi 2manyrides.
What kind of tyres do you have on the wheel,it looks nice.
Regards Anders.

Paul,I got the disc today,very fast service.Much interesting reading.
Thank you.
Anders Palm.

Hi beat.
I used thinner,it dissolve the tank-sealing,but I think that aceton has been better,but it was easyer to find thinner.Then I used stones as you said, together with red-spirit,the result become good.
Thanks Anders.

Is ther anyone who knows,how to remove old gas-tank sealing,it is yellowish and elastic,but I dont know the manufacturer.It was in the tank when I bought the bike,and someone has done a bad job without cleaning the tank before.
Regards Anders Palm.

Hi a-son.
I also live outside of Örebro,Vintrosa,I get my B 50 ready to ride last year.Give me a call if there is something I can help you with.
Regards Anders Palm.

Hi baz.
On my C15 scrambler 1962 the sprocket is bolted together with brake drum. I think that the trial bike has the same drum. Part number of brake drum is 15840-6050.
Anders

Hi Beat.
Does the Swiss horses like your new muffler ?
Anders.

Hi Peter.
How many teeth do you have on the front and rear sprocket,I have 19 on the front and 47 on the rear on my B 50 street bike.But I think that it is to much ,can someone suggest a good ratio for street use. Anders.

Thank you kommando that was good to hear.
Anders

What parts can I use from a B 25 S 1970 engine to a B 25 T 1971 engine.The difference outside the engine I can see is that the rear engine mounting lug is narrower,and smaller rocker box mounting studs.
Regards Anders Palm.

Hi Peter. Do you have the circlip and greas retainer inside of the right bearing in the hub?If so ,you can fasten the right bearing in the hub against the greas retainer and circlip ,with the left-threaded lockring.Between the bearing and the thick part of the axle , you should have a 4,5 mm thick d...

Hi beat.
The outlet from the muffler is to the right,I have measure the three
short pipes on my 500cc muffler,from the end of the muffler,and they have the same diameter as the 250cc,and also the outside outlet-pip
has the same diameter.
Anders.

Hi beat.
The outlet from the muffler is to the right,I have measure the three
short pipes on my 500cc muffler,from the end of the muffler,and they have the same diameter as the 250cc,and also the outside outlet-pip
has the same diameter.
Anders.

Hi beat.
I dont think that the horses in Sweden hear so good.I have measure the pipes that was inside the muffler,the short ones to the right is 20 mm inside ,and the other is 23 mm inside.This was a 250cc muffler,I dont know if the 500cc is the same.
Anders Palm.

Hi beat.
I dont think that the horses in Sweden hear so good.I have measure the pipes that was inside the muffler,the short ones to the right is 20 mm inside ,and the other is 23 mm inside.This was a 250cc muffler,I dont know if the 500cc is the same.
Anders Palm.

Thank you all for the information,I also feel a bit better as you Peter.The bike is not smoking,and I can feel a pressure if I put a finger on return-pipe hole in the oil-tank.To lubricate the rocker-box I have bought a kit from Mark,and it takes the oil from the pressure-side.I have set the timing ...

Hello everyone out ther. I have started up my B 50 tonight,everything in the engine has been dismantled.I have fit new bearings,conrod,crankpin,and gaskets.It started easy,but I think that the return oli-flow is to low.How much should it be,I understad that it is hard explain, but should it become a...

Hello Ristow.
I have the same problem as you,I have also put in a alpha bearing and a carillo rod,and the chrank is to long.Stan can you tell me how much clearance I need on the right side?
Anders Palm

Hi Steve.
On my B 50 it is 1/2" BSF thread in the hole for the dipstick.
Anders Palm

Hello all, I am looking for the dimensions of the B50 clutch part number 57-4200 hub i.e diameter and thickness of the flange. I have a bloke who may have one but for me but he needs to know how to identify it. Any help would be appreciated. Cheers, Neil Hi Neil. The thikness of the flange is 0.16,...

If some one answers that question, they might also suggest which way the asymmetric bearing cages face? :oops: http://www.b50.org/photos/uploaded/B50mainbearing.jpg Flange facing flywheel? (repeat rapidly) Hello roadplough. I have the flang on the inner racer facing the flywheel,but the rollers is ...

Hello Bsa friends.
How much end clearance do I need to the crank , it is a B 50 with two bearings on the drive-side.The Rupert Ratio book is saying .003"-.005",is that enough.
Anders Palm.

I have read B 50 forum for some years,and I understand that it is the right place to get answers to my B 50 questions.I am going to put my engine together after 2 years in pieces.It is an B 50 SS 1971.I have get a Carrillo rod and Alpha big end,new valves guides and springs.and all bearrings.But the...