Here is a good bsa Manual
Oil Seal, Kickstart BSA, B25, B44, B50, Triumph TR25W, 1967-72, 57-2641
82-9602 82-9603 BSA B25 B44 B50 FOOT REST RUBBERS SET KICKSTART GEAR RUBBER
CRANKSHAFT TIMING SIDE OIL SEAL BSA C15 B40 C25 B25 B25 B44 B50 40-0977 -70-8154
60-2601 BSA B25 B50 OIF TRIUMPH TR25 OIF AIR FILTER TRAILBLAZER TR5T BSA D2601
BSA B25 B50 SINGLE FRICTION CLUTCH 5 PLATE SET 57-2726, 40-3233
BSA A50 A65 B25 B44 B50 Kickstart Crank 57-2764
