Ignition Timing: Adjustments

1. Connect timing light to engine.






2. Disconnect and plug the hose from the vacuum advancer 2nd stage as shown.
3. Timing should be 5° BTDC at 950 rpm. Adjust as necessary.






4. To adjust, loosen the IIA hold down bolt and slowly turn the IIA until the timing mark indicates 5° BTDC.
5. When done, torque the IIA hold down bolt to 10 - 16 Nm (8 - 11 ft.lbs). Recheck timing and verify it is still at spec.






6. Reconnect the hose to the vacuum advancer sub-diaphragm as shown and make sure the timing advances.
7. Disconnect and remove the timing light.