Typed (for clarity) version of the original, only the items concerning Nortons.

Particulars of D.M.E., Circulars

affecting Norton, B.S.A. Matchless, Ariel and Royal Enfield Motor-

cycles, available up to October, 1943.

Circular No.

Date

Purport  

Motorcycle

 

IMMEDIATE ACTION

B.40

28-10-1940

Fitting of Security Bolts to prevent damage to valves

Norton

B.141

12-5-1941

Fitting of new headlamp mask and removal of dipper switch.

All M/Cís

B.125

21-7-1941

Provision for immobilizing.

All M/Cís

B.155 

6-3-1942

Fitting pannier bags and pillion seat conversion sets.

Norton

B.173

8-4-1942

Carburetter Ė adjustment for petrol economy.

B.S.A. Norton

B.301

21-5-1942

Spanner for dynamo securing strap nut.

All M/Cís

B.417

31-3-1943

Dynamo bracket screw at driving pinion end of Lucas Magdyno.

Norton, B.S.A.,   Ariel, R.Enfield

 

 

 

 

WHEN NECESSARY

B.19

1-10-1940

Petrol tank lugs. (Fracturing).

Norton

B.46

19-11-1940

Rear stand and mudguard.

Norton

B.41

24-2-1941

Fitting flexible petrol and oil pipes.

Norton

B.212

16-11-1941

Modification to horn bracket.

Norton

B.173

8-4-1942

Carburetter Ė adjustment for petrol economy.

B.S.A. Norton

B.257

12-5-1942

Fitting panel air cleaner in Mid. East. 

Norton

B.210

15-5-1942

Rear stand method of repair.

Norton

B.212/1

16--7-42

Amendment No.1. Cancels B.212

Norton

B.323

31-7-1942

Dynamo and regulator wiring.

All M/Cís

B.304

7-9-1942

Change speed mechanism - Bushes fitted to cam plate and spring cover plate.

Norton

B.413

17-2-1943

Petrol pipes.

Norton

 

 

 

 

Circular No.

Date

Purport  

Motorcycle

 

GENERAL INSTRUCTIONS

B.106

26-4-1941

Dublchek Schrader valve caps.

All M/Cís

B.174

8-8-1941

Ignition timing.

All M/Cís

B.211

14-10-1941

Procedure for reporting faults on A.F.G.889.

All M/Cís

B.217

31-10-1941

Maintenance of Spark Plugs

All M/Cís

B.260

31-10-1941

Kickstarter ratchet gears.

All M/Cís

B.407

4-2-1942

ďTargetĒ fuel consumption figures, (M.P.G.)

All M/Cís

B.200

20-3-1942

Tyre Pressure.

All M/Cís

B.127

16-5-1942

Method of fitting chevron tyres.

All M/Cís

B.268

12-6-1942

Replacement of Tecalemit grease nipples.

All M/Cís

B.313

8-7-1942

Initial Inspection.

All M/Cís

B.325

8-8-1942

Limit of wear outer covers.

All M/Cís

B.402

21-11-1942

Handlebar grips Ė rubber substitute, method of fixing to handlebars, and twist grip rotors.

All M/Cís

B.400

21-1-1943

List of tyre pressures. (Cancels B.200).

All M/Cís

B.456

25-2-1943

New range of lubricants W.D. ďBĒ Vehicles.

All M/Cís

B.345

11-5-1943

Security bolt (front wheel).

All M/Cís

B.400/1

12-5-1943

Amendment to B.400.

All M/Cís

B.517

16-7-1943

Defects, rendition of A.F.G.889 in accordance with A.C.I.2240 of 1942 (Cancels B.211) .

All M/Cís