323 L4-1600 1597cc (1986)
Fig. 4 Checking System With Gas Analyzer.
2.
Insert an exhaust gas analyzer into the secondary air hose and plug the hose opening to prevent leakage Fig. 4.
3.
Start the engine and run it at idle/
4.
Measure the CO concentration.
5.
Turn the mixture adjust screw and adjust the CO to the specified level (CO concentration: 1.5-2.5%).
6.
If the idle speed fails to meet specification as the result of the above steps, adjust the idle speed.
7.
Reconnect the secondary hoses.
8.
Tap in the spring pin.
