Ignition Timing - Mazda RX-8 Workshop Manual

Ignition Timing Inspection
NOTE:
The ignition timing cannot be adjusted.
The M-MDS is required to verify the ignition timing.
1. Complete the engine tune-up preparation. (See
2. Connect the timing light to the front rotor housing on the leading side.
3. Turn the test mode on using the test simulation function.
4. Verify that the eccentric shaft position plate alignment mark (yellow) and the front cover mark
is aligned.
NOTE:
When using the M-MDS, verify that the ignition timing (M-MDS: SPARK-T or
SPARK-L PID) is as follows:

Ignition timing

Trailing side: BTDC 10°
Leading side: BTDC –5°
If there is malfunction, refer to "ENGINE SYMPTOM TROUBLESHOOTING". (See
SYMPTOM DIAGNOSTIC INDEX
5. Turn the test mode off using the test simulation function.
Idle Speed Inspection
NOTE:
Engine Tune-up
[13B-MSP].)
Preparation.)