BSA 1930s Motorcycles

Service Sheets

Below are the first service sheets that BSA published. Please note that I am still missing a few. If you have one of the missing service sheets I would very much like to receive a scan to supplement the list.

Number	Date	Description
0		Introduction
1	May 1930	Piston rings
2	May 1930	Convert foot operated brake to dual hand and foot
3	May 1930	Oil consumption
4	May 1930	Tanks
5	May 1930	Chromium plating
6	May 1930	Adjustment of the steering head
7	May 1930	Steering
8	May 1930	Adjustment of sidecar detachable wheel
8A	May 1930	New type rear number plates
8B	September 1930	Methods of fitting new rear number plates
8C	September 1930	New type of rear number plate and tail lamp for machines fitted with Lucas Magdyno lighting set
9	May 1930	Mid season changes
10	May 1930	Adjustment of taper roller wheel bearings
11	Missing	The fitting of Legschields to 1930 2.49 h.p. Side-valve 2.49 h.p. O.H.V. and 3.49 h.p. Side-valve machines
12	September 1930	Sparking plugs
13	September 1930	Tappet guide locking studs on 1930 2.49 h.p. Side-valve 2.49 h.p. O.H.V. and 3.49 h.p. Side-valve machines
14	September 1930	Adjustment of gearbox on 1930 2.49 h.p. Side-valve 2.49 h.p. O.H.V. and 3.49 h.p. Side-valve machines
15	September 1930	The fitting of flywheel assemblies to crankcase
16	September 1930	The fitting of 1927, 1928 and 1929 flywheels into new crankcases on inclined engine models
17	October 1930	Engine and frame numbers
18	Missing	Engine and frame numbers, 1932 models
19	December 1931	Gearing
20	April 1932	How to get the best out of your O.H.V. model
21	April 1932	Carburettor jet sizes for 1924-31 models
22	March 1932	1932 Carburettor settings
23	April 1932	Method of gaining access to the front portion of the three wheeler power unit
24	January 1933	Gearing
25	January 1933	Sparking plugs for 1933 motor cycles
26	January 1933	1933 Carburettor settings
27	missing	Engine and frame numbers for 1933 model motorcycles
28	January 1933	1933 Gudgeon pins complete with pads
29	Missing	Engine and frame numbers for 1934 model motorcycles
30	Missing	Gearing
31	Missing	Sparking plugs for 1934 motor cycles
21	Missing	1934 carburettor settings
33	January 1935	Engine & frame numbers for 1935 motor cycles
34	January 1935	1935 Carburettor settings
35	January 1935	Sparking plugs for 1935 motor cycles
36	January 1935	Gearing
37	January 1935	Replacement of the primary gear oil retaining ring and oil flinger washer upon the three wheeler power unit
38	March 1935	Petrol consumption
39	July 1935	Air cleaners
40		List of all special service tools for all motor cycles 1930-1935 inclusive
40A		List of all special service tools for all motor cycles 1930-1935 inclusive (continued)
40B		List of all special service tools for all motor cycles 1930-1935 inclusive (continued)
40C		List of all special service tools for all motor cycles 1930-1935 inclusive (continued)
40D		List of all special service tools for all motor cycles 1930-1935 inclusive (continued)
40E	December 1936	List of special service tools for 1937 motor cycles
41	December 1935	Engine and frame number for 1936 motor cycles
42	December 1935	Sparking plugs for 1936 motor cycles
43	December 1935	1936 Motor cycle carburettor settings
44	December 1935	Gearing 1936
45	December 1935	Motor cycle speedometer gearing
46	February 1936	3-Speed and 4-speed gearbox
47	Missing	Motor cycle - lightweigth models - clutch slip
48	February 1936	Oil leakage from primary chaincase
49	Missing	Mid season changes
50	February 1936	Mid season changes
51	February 1936	Motor cycle four-speed gearbox
52A	February 1936	1936 Empire Star models front forks
53	March 1936	7.48 h.p. O.H.V. model mid season change
54	July 1936	Models X-0, B-1, B-2 and B-18 crankcase air release valves
55	Missing	Motor cycle. All four-speed models excepting B-18
56	July 1936	All models renewal of valve springs
57	Missing	1937 motor cycles. Engine and frame markings
58	Missing	1937 motor cycles. Gear ratios.
59	November 1936	Sparking plugs for 1937 motor cycles
60	November 1936	Ignition time for 1937 motor cycle engines
61	November 1936	M21 1937 motor cycle and No. 6B sidecar chassis
62	February 1937	1937 Motor cycle carburettor settings
63	November 1936	Piston rings
63	February 1938	1937 and 1938 piston rings
63A	November 1936	Piston rings butt end clearances
63B	January 1938	1937 and 1938 piston rings
63C	December 1937	Warning piston rings 1937 and 1938
	February 1938	1937 and 1938 piston rings
	February 1938	63e February 1938 Warning piston rings 1937 and 1938
64	December 1936	mid season change Lightweight gearbox 1937 "B" models
65	December 1936	Mid-season change "B & M" group motor cycle hand change fulcrum pin
66	February 1937	66 February 1937 Engine connecting rod 1914 - 1937
67	Missing	Oil transfer from oil tank to engine whilst the machine is standing. 1937 "B" and "M" models
68	February 1937	Mid season change gearbox fixing on all 1937 "B" models
69	March 1937	Mid-season change valve rocker lubrication - 1937 B21, B22, B24, B25 and B26 models
69A	March 1937	Mid-season change valve rocker lubrication - 1937 B21, B22, B24, B25 and B26 models
70	March 1937	Push rod cover and joint washers for 1937 O.H.V. "B" models
70A	March 1937	Push rod cover and joint washers for 1937 O.H.V. "B" models
71	July 1937	Cylinder holding down bolts "B" and "M" group O.H.V. models
72	Missing	Cylinder head joints - 1937 "B" and "M" Groups O.H.V. models
73	July 1937	Oil leakage from mag drive - 1937 "B" and "M" group models
74	July 1937	Oil leakage from oil tank filler cap on the 1937 "B" and "M" group models
75	July 1937	Gudgeon pin circlip - 1937 "B" and "M" group models
76	August 1937	Mid season change excessive oil delivery from crankcase release valve on 1937 "B" models
77	October 1937	1938 Carburettor settings
78	Missing	1938 carburettor settings
79	October 1937	1938 Sparking plugs
80	October 1937	1938 Ignition timing
81	October 1937	1938 Gear ratios
82	February 1938	1937 and 1938 "B" and "M" group machines oil level in primary chaincase
83	February 1938	The oil dip type air cleaner
84	February 1938	1938 cylinder liners
85	Missing	Cylinder liners and 1937 models
86	February 1938	1938 Cyliner liners and pistons
87	Missing	Service tool No. 61-1937 for the insertion and removal of cylinder barrel liners
88	February 1938	1938 "B" group 250 c.c. side valve and overhead valve models engine mainshafts and flywheels
89	Missing
90	Missing
91	December 1938	1939 Spark plugs
92	December 1938	1939 Ignition timing
93	December 1938	1939 Gear ratios
94	December 1938	1939 Carburettor settings (home)
94A	December 1938	1939 Carburettor settings (export)