This page contains the info I have gathered on BSA Slopers.

Catalogues

Year	Model
1927	S27 4.93 h.p. O.H.V.
1928	S28 4.93 h.p. O.H.V.
1929	L29 3.48 h.p. Two Port O.H.V.
1929	S29 4.93 h.p. Two Port O.H.V.
1929	S29 4.93 h.p. Single Port O.H.V.
1929	S29 4.93 h.p. S.V. de Luxe
1929	H29 5.57 h.p. S.V. de Luxe
1930	S30-7 4.93 h.p. S.V.
1930	H30-8 5.57 h.p. S.V.
1930	S30-7 4.93 h.p. S.V.
1930	S30-7 4.93 h.p. S.V.
1930	L30-11 3.49 h.o. O.H.V.
1930	S30-12 4.93 h.p. O.H.V.
1930	S30-13 4.93 h.p. O.H.V. de Luxe
1931	S31-7 4.93 h.p. S.V.
1931	H31-8 5.57 h.p. de Luxe S.V.
1931	S31-9 4.93 h.p. O.H.V.
1931	S31-10 4.93 h.p. O.H.V. de Luxe
1932	S32-8 4.93 h.p. O.H.V. de Luxe
1932	H32-9 5.57 h.p. S.V. de Luxe
1933	M33-10 5.95 h.p. S.V.
1933	M33-11 5.95 h.p. O.H.V.
1934	M34-12 5.95 h.p. S.V.
1934	M34-13 5.95 h.p. O.H.V.
1935	M35-10 5.95 h.p. S.V.
1935	M35-11 5.95 h.p. O.H.V.

MotorCycling

Bernal Osborne wrote a 2 piece article on early Slopers in MotorCycling in 1955. Below is a link to this publication, It is also available for downloading.

Service sheets

• Mid season changes
• Adjustment of taper roller wheel bearings
• The fitting of 1927, 1928 and 1929 flywheels into new crankcases on inclined engine models

Social Media

There is a members only facebook group dedicated to BSA Slopers:

https://www.facebook.com/groups/291748071284351/