How do you check the timing, on 1996 nissan200sx.

IGNITION TIMING
Start engine and warm to normal operating temperature. Turn ignition off. Disconnect throttle position sensor harness connector.
Start engine. Increase engine speed to 2000 RPM, 2 or 3 times, then allow engine to return to idle. Engine should be operating smoothly at correct idle RPM. Check ign timing. See IGNITION TIMING table. See Fig. 1.
If ignition timing is incorrect, loosen hold-down bolt and turn distributor to adjust ignition timing. Turn ignition off and connect throttle position sensor harness connector. Recheck ignition timing.

1.6L Manual: 6-10 @ 575-675 Automatic: 6-10 @ 675-775