Hercules Motors Co. Parts list, Engine and power unit of the "JX" series, July 1 1950 Ariel motors LTD. Maintenance manual and intruction book, Ariel motor cycal, solo350 c.c. O.H.V., model W/NG. BSA. Spare parts list for 500 c.c. S.V., Solo motor cycle, Model WD/M 20, Contract no. S 2603, Frame and engine numbers W.M.20-96818 to W.M.20-104817 BSA. Spare parts list for 500 c.c. S.V., Solo motor cycle, Model WD/M 20, Contract no. S 5209, Frame and engine numbers W.M.20-104818 to W.M.20-116817 BSA. Spare parts list for 500 c.c. S.V., Solo motor cycle, Model WD/M 20, Contract no. C 11101, Frame and engine numbers W.M.20-53413 to W.M.20-61412 … BSA. Driver's handbook, Motor cycle, solo 500c.c. S.V., Model M20 BSA. Motor cycle instruction book, 1930 models 2.49 h.p. S.V. 3.49 h.p. S.V. BSA. Maintenance manual and instruction book for motor cycle (solo) 500 c.c. S.V., Model M 20
