Ignition Timing: Adjustments
Idle Speed And Ignition Timing Checka. Prepare the following conditions:
- Battery is in good order.
- Lightening switch: OFF
- Heater fan switch: OFF
- Air conditioner switch: OFF
- Front wheel (Power steering model): KEEP STRAIGHT AHEAD
b. Check while radiator cooling fan motor is turned off.
C. Warm engine to operating temperature.
Check and adjust as follows:
1) Race engine two or three times under no-load1 then run engine at idle speed.
2) Check idle speed.
Idle speed: rpm
M/T: 750 ± 100
A/T (in "D" position): 700 ± 100
If necessary, adjust to the specified speed by turning the idle speed adjusting screw.
3) Check ignition timing with a timing light.
Ignition Timing (Without vacuum advance):
M/T: 4 ± 2 B.T.D.C.
A/T: 0 ± 2 B.T.D.C.
If necessary, adjust ignition timing by turning distributor.