ENGINE MAINTENANCE After Engine Warm-up ADJUSTING INTAKE AND EXHAUST VALVE CLEARANCE Adjustment should be made while engine is warm but not running. 1. Start engine and warm it up until water tem- perature indicator points to middle of gauge. Then turn off engine. 2. Remove valve rocker cover. Rotate crankshaft. 4. Set No. 1 cylinder in top dead center on its compression stroke, and adjust valve clearance (D, , and . 5. Set No. 4 cylinder in top dead center on its compression stroke and adjust valve clearance @.@,and .. P Valve clearance: T 5 ,7 .3, Intake 4 . o 0.25 mm (0.010 in} Exhaust 0.30 mm (0.012 in) SMABEA 1) Loosen valve rocker adjusting screw lock nut and turn adjusting screw until specified clear- ance is obtained. 2) After adjustment, tighten lock nut and recheck clearance. q Adjusting screw lock rm: 2 i n A 15 N~m (1.1 , 1.5 harm, a , 11 may summon ADJUSTING IDLE RPM, ADJUSTING IGNITION TIMING AND CHECKING MIXTURE RATIO Preparation 1. Make sure that the following parts are in good order. Ignition system. Engine oil and coolant levels Valve clearance Connect engine tachometer and timing light in their proper positions. 3. Make sure that these switches and units are in the following positions. I Headlamp switch: OFF I Heater blower: OFF 4. Check after the radiator cooling fan has stopped. If it is operating, wait until it stops. 5. Apply parking brake and block both front and rear wheels with checks. 6. When measuring CO" percentage, insert probe more than 40 cm (15.7 in) into tail pipe. WARNING: 3. Inspections should be carried out while shift lever is in D" position on automatic transaxle equipped models and in "Neutral" on manual transaxle equipped models. b. 0n automatic transaxle equipped models, racing the engine should be carried out while shift lever is in "N or "P" position and brake pedal should be depressed. c. After adjustment has been made, shift the lever to N" or "P" position. to...