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Messages - ajberrow

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1
British Bikes / Re: Amal 276 slider
« on: July 17, 2010, 09:03:13 AM »
The slide was not distorted, just very dirty. and I hadn't cleaned it properly.

With lots of gentle polishing, it now slides easily, it's just a little tight getting it into the top of the bore, but finger pressure is enough to overcome that problem.

Thanks, all.

2
British Bikes / Re: Amal 276 slider
« on: July 16, 2010, 11:30:43 AM »
Thank-you, twolitre.

Have ordered a vernier caliper so that I can measure it accurately.

Someone suggested a gentle rub-down with very fine wet-or-dry while cleaning more thoroughly.  Is this in order?

Anthony

3
British Bikes / Amal 276 slider
« on: July 15, 2010, 10:36:58 AM »
How easily should the slider move in an Amal 276 carb?

I have stripped the carb, gently cleaned the slider and found that it has lost a lot of its plating, is blackened in some areas and does not slide freely in the bore.

Should it move freely?

Must its plating be completely intact?

Can I buy a replacement slider?

If I buy a replacement slider, which other parts should I replace with it?

Should I just turn the carb into an ornament and replace the whole thing?

I have no idea of the 'bike's mileage. It shows 5700-odd miles on the odometer, but many other parts of the 'bike suggest a much higher mileage, so I suspect it's either done > 100,000 miles (odometer can only display 99,999 miles) or the speedo has been replaced or it's been clocked (and why would anyone bother doing that?).

Thanks,

Anthony

4
British Bikes / Re: Newbie with BSA 1954 B31 twin-shock
« on: July 15, 2010, 10:30:13 AM »
Quote from: Revband on July 14, 2010, 05:13:44 PM
The bike would not have had an air filter fitted when new, if you do decide to fit one the carb will need re jetting to suit.

Thank-you.

5
British Bikes / Re: Newbie with BSA 1954 B31 twin-shock
« on: July 14, 2010, 02:06:11 PM »
Another quick question :

There's no evidence of an air filter ever having been fitted.

Should I buy a little pancake style filter?

Cheers

6
British Bikes / Re: Newbie with BSA 1954 B31 twin-shock
« on: July 14, 2010, 09:18:41 AM »
Quote from: Revband on July 13, 2010, 07:04:44 PM
I have two B31s a 1955 model and a 1946 model, the 1955 model has the gearbox stamped the same as yours with XX above the STD marking, the STD indicates a standard gearbox but yours is only the second I have seen marked XX and have been unable to find the reason for this marking, if you ever find out what it is I would love to know.

Dennis,

If I find out, I will make sure I let you know - not that I can see these markings in the photos - I'll look more closely.

I'm ordering some stuff from Frost's today to clean, derust and seal the petrol tank.

I took the carb off yesterday and will give that a thorough overhaul and replace any worn parts before I move on to the ignition system; after that, charging system, get it started and give it a severe cleanup.

I don't intend trying to make it look pristine - I like the fact that it looks old and worn and want to keep that feel to it.

And thanks again for the information.

Regards,

Anthony

7
British Bikes / Re: Newbie with BSA 1954 B31 twin-shock
« on: July 13, 2010, 12:18:18 PM »
Thanks, both. Very useful information.

There are pictures in the Photos section of www.anthonyberrow.com

8
British Bikes / Newbie with BSA 1954 B31 twin-shock
« on: July 12, 2010, 01:31:54 PM »
Hello, all.

Having read several posts, I can see you're a friendly group and I look forward to conversation with you.

I have just been gifted a BSA 1954 B31 twin-shock.

I have stripped it down a little and discovered that the tank is in need of lots of TLC, the brakes bind badly and that the wiring is a disaster area.

Several questions to start off with :

1. What are the best products to clean, de-rust and seal the tank?

2. How can I test the magneto and dynamo?

3. Is it worth converting to 12V so that I can put decent lighting in?

4. Should I convert to negative earth?

5. Can I buy a kit to convert the headlight to a modern bulb, eg H4 or even HID?

6. Are brake parts easily available?

7. Which web sites are recommended for buying new bits for the 'bike?

Thanks in advance,

Anthony

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