BSA C10,C11, RIGID & PLUNGER, FACTORY WORKSHOP MANUAL THAT COVERS  250cc C10 & C11, THE OLD NAME FOR THIS WORKSHOP MANUAL IS SERVICE SHEETS.  IT COVERS HOW TO DO VITUALY  EVERY MECHANICAL REPAIR/RECONDITIONING  JOB ON THE ENGINE,GEARBOX, CLUTCH AND CARBURETTOR  TOGETHER WITH HOW TO REPAIR AND RE-CONDITION THE ROLLING CHASSIS AND CYCLE PARTS INCLUDING HOW TO SERVICE AND REPAIR THE BRAKES TELESCOPIC FORKS AND REAR SUSPENSION UNITS AND IT ALSO HAS A LOT OF INFORMATION ON TAPPET ADJUSTMENT,IGNITION TIMING SETTING UP THE CARBURETTER FOR NORMAL AND ALTITUDE RUNNING AS WELL AS TUNING THE CARBURETTER AND FAULT FINDING (IT EVEN SHOWS YOU DETAILS OF HOW TO RE-CONDITION THE CRANKSHAFT ASSEMBLY. AND ALSO THE ELECTRICS INCLUDING WIRING DIAGRAMS CHECKING THE VOLTAGE OF THE ELECTRICAL CIRCUIT  ( THE MANUAL IS 50 PAGES THICK 100 PAGE SIDES WHICH IS THE SAME NUMBER OF PAGES AS THE ORIGINAL MANUAL AND SHOWS ALL ASPECTS OF  REPAIRING/RECONDITIONING THESE BIKES TO KEEP THEM MECHANICALY SOUND AND ROAD WORTHY.OVER 50 SOLD IN THE PAST 2 YEARS. ((((((((( PLEASE NOTE THERE ARE SEVERAL PAGES FROM 1948 IN THIS MANUAL SO IT MUST COVER THE EARLIER 3 SPEED MODELS AS WELL ))))))) ANY QUESTIONS PLEASE EMAIL