Ignition Timing Adjustment

Ignition Timing Adjustment

1. Remove the rubber cap from the inspection window on the cylinder block.
2. Start the engine and allow it to warm up to normal operating temperature (cooling fan comes on).
3. Remove the rubber cap (YELLOW) from the ignition timing adjusting connector, located behind the ignition coil, and connect the BROWN and GREEN/WHITE terminals with a jumper wire.

Fig. 111 Installing Jumper Wire In The Ignition Timing Adjusting/Service Check Connector:

Fig. 112 Timing Mark Location On Engine:

4. Connect a timing light to the engine. With the engine running at idle speed, point the timing light toward the pointer on the flywheel (manual trans.), or on the drive plate (auto. trans.).

Fig. 113 Timing Marks:

Fig. 114 Ignition Distributor Adjusting Bolt Locations:

5. Adjust the ignition timing to the following specifications:

Ignition Timing:
All Models: 15+/-2°BTDC (RED)
at 750+/-50 rpm in neutral

6. Adjust by loosening the distributor adjusting bolts, and turn the distributor housing counterclockwise to advance the timing, or clockwise to retard timing.
7. Tighten the adjusting bolts and recheck the timing.
8. Remove the jumper wire and install the rubber caps to the inspection window and the adjusting connector.