CARBURETOR SYNCHRONIZATION
INSP ADJ
CARBURETOR SYNCHRONIZATION NOTE: Prior to synchronizing the carburetors, the valve clearance and the engine idling speed should be properly adjusted and the ignition timing should be checked. 1. Remove: S Vacuum cap 2. Install: S Carburetor synchronizer 1 S Engine tachometer (near the spark plug) Carburetor synchronizer 90890-03094, YU-8030 Engine tachometer 90793-80009, YU-8036-B 3. Start the engine and let it warm up for several minutes. 4. Inspect: S Engine idle speed Out of specification ! Adjust. Refer to “ENGINE IDLE SPEED ADJUSTMENT”. Engine idle speed: 1,350 ± 100 r/min (1,250 X 1,450 r/min) 5. Adjust: S Carburetor synchronization
2-14
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Adjustment steps: S Synchronize carburetor #2 to carburetor #3 by turning the synchronizing screw 1 in either direction until both gauges read the same.