North American Anti-Runon Valve Plumbing - Engine Compartment Overview, SU Carbs
Hover over a number for the key.

Key:

  1. Air pump
  2. Air-pump drive belt
  3. Air cleaner
  4. Air-pump to check-valve hose
  5. Check valve
  6. Air-injection manifold
  7. Air-pump to gulp-valve hose
  8. Purge line
  9. Gulp valve
  10. Gulp valve control pipe
  11. Vapour pipe from carbs
  12. Gulp-valve to manifold hose
  13. Y connector
  14. Crankcase breather
  15. Charcoal canister
  16. Anti-runon valve
  17. Running-on control pipe from inlet manifold to anti-runon valve
  18. Air-vent pipe to atmosphere
  19. Hose from canister to anti-runon valve
  20. Hose from canister to carb vent pipes
  21. Hose from canister to carb vent pipes

Image from Moss Motors on-line catalogue.