BSA C10 C11 C12 Service Sheets



BSA Service Sheets C10 250 SV C11 250 OHV C12 250 OHV 

No. 209 4 Speed Gearbox  C Group 1951-1955 Dismantling and Reassembling  

401 C10 Distributor Engine Exploded View

401A C10L Side Points Engine Exploded View

402 C11 Engine Exploded View

403 C Group 3 Speed Gearbox Exploded View

403A C11   4 Speed Gearbox Exploded View 

403B C10L- C12  4 Speed Gearbox Exploded View

404 Engine Adjustments Without Dismantling

405 Engine Dismantling for Decarbonisation

406 Removing the Engine from the Frame & Complete Dismatling

407 Re-assembling the engine

408 Dismantling and reassembling  3 speed gearbox

408A  Dismantling and reassembling  C10L & C12 4  speed gearbox

409 Primary Transmission C Group

410 Adjustment, Dismantling and Reassembly of Brake Hubs C10 C11 C11G

 411   C10 C11G  C12 Clutch

412 Adjustment, Dismantling and Reassembly of Brake Hubs  C10 C11 C11G Plunger

412A Adjustment, Dismantling and Reassembly of Front Hubs 7 in Brake

412B Adjustment, Dismantling and Reassembly of Brake Hubs  C12

412C Rear Suspension Swinging Arm C12 and D3

413  Removing Engine from Frame C10L and C11G

414 10L and C11G  Reassembling the Engine

415 Useful Data C10L and C11G

415A Timing Chart C Models

514 D and C Group Plunger Type Suspension 

603 B, C and M Lubrication.

701 Useful Data All Models

702  Workshop Data Engine bush and shaft diameters

704 Piston Clearances All Models

706 Telescopic Forks  A, B, C10, C11G, C12 Models 

708 Carburation Monobloc & Separate Float Chamber Type

708B Carburation at High Altitudes

709 Fault Finding

710 Chain Alterations and Repairs

713 Dismantling of the Steering Head

803 Coil Ignition Equipment C10 C11, A, B, M

804 Regulator Unit MCR1 MCR2  C10 C11 C12

804A  ABM Control Box RB107

805  Lead Acid Batteries

807  Electric Horn

808C Wiring Diagrams C10L, C11G, 

808D C Group Wiring Diagrams C12

811  C10L, D1, D3 Wipac Lamps

814 Wipac


Weight 99 g
Dimensions 29 × 21 × 5 cm


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