MA-8 MAINTENANCE — Maintenance Operations [DIAGRAM: Shows charcoal canister with Air inlet at top, labeled points A, B, and C, with note "Air should flow through freely and no charcoal should come out." EC3708] 8. INSPECT CHARCOAL CANISTER (a) Disconnect the hoses from the charcoal canister. Label the hoses for correct reinstallation. (b) Plug pipe A with your finger and blow compressed air (3 kg/cm², 43 psi or 294 kPa) through pipe B (fuel tank side). • Check that air comes out of the bottom pipe C without resistance. • Check that no activated charcoal comes out. If necessary, replace the charcoal canister. HINT: Do not attempt to wash the charcoal. (c) Connect the hoses to the charcoal canister. [DIAGRAM: Shows fuel tank cap with gasket labeled. MA0373] 9. REPLACE GASKET IN FUEL TANK CAP (a) Remove the old gasket (O-ring) from the tank cap. Do not damage the cap. (b) Install the new gasket by hand. (c) Inspect the cap for damage or cracks. (d) Install the cap and check the torque limiter. 10. INSPECT FUEL LINES AND CONNECTIONS Visually inspect the fuel lines for cracks, leakage, loose connections, deformation or tank band looseness. 11. INSPECT EXHAUST PIPES AND MOUNTINGS Visually inspect the pipes, hangers, and connections for severe corrosion, leaks or damage. 12. ADJUST VALVE CLEARANCE HINT: Check and adjust the valve clearance while the engine is cold. (a) Remove the cylinder head covers. (b) Measure and adjust valve clearance. (See page EM-7) Valve clearance (cold): Intake 0.15 — 0.25 mm (0.006 — 0.010 in.) Exhaust 0.20 — 0.30 mm (0.008 — 0.012 in.) (c) Reinstall the cylinder head covers.