18. EVAPORATIVE/EXHAUST EMISSION CONTROL SYSTEM MAINTENANCE SCHEDULE: (1) PERIODIC MAINTENANCE Service Mileage Item 300 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 13000 14000 15000 System Lubrication Fuel System Air Supply System Engine oil R R R R R R R R R R R R R R R Oil filter screen C C C C C Gear oil R R R R Motor oil filter I I I Fuel filter I I I I Fuel filter screen C C C C Carburetor A A A A Fuel line I I I Air cleaner R R R R R R R Charcoal canister I I I I Secondary air cleaner I R R R Secondary air inlet line I Intake manifold I screw Purge control valve I I I I Air lines I I I Catalytic converter I I I I Cam chain I I I I System Drive Drive chain I I I I Drive belt I I I I Valve clearance I I I I Spark Plug 4-stroke I R System Ignition Others C.D.I. I I I Ignition system wires I I I Bolts and nuts T T T T T T T T T T T T T T T Brake system A A A A A A A A A A A A A A A I: Inspect, A: Adjust, C: Clean, R: Replace, T: Tighten ·During riding or inspection, if any part is found to be cleaned, adjusted Remarks or replaced, do it directly and take a record if the exhaust emission control system is not seriously affected. It must be reported and approved if the exhaust emission control system is seriously affected. (2) IRREGULAR MAINTENANCE: Item Contents Ignition system Inspect and repair when obvious symptoms of ignition 18-2