1-30
IGNITION TIMING
INSPECTION
Check ignition timing:
At every 5000 mile (8000 km) service interval.
Check for proper RPM and ignition timing as follows:
1. See Figure 1-42. Thread TIMING MARK VIEW PLUG
(Part No. HD 96295-65D) into timing inspection hole. Be
sure view plug does not touch flywheel.
2. Connect leads of INDUCTIVE TIMING LIGHT (Part No.
HD-33813) to front spark plug cable, to battery positive
terminal and to ground.
3. Be sure vacuum hose is properly installed at carburetor
and at vacuum-operated electric switch (V.O.E.S.).
4. Start engine. Set engine speed by turning idle adjust-
ment screw clockwise to increase speed or counterclock-
wise to decrease speed. Use CARBURETOR IDLE
ADJUSTMENT TOOL (Part No. HD-33413) and TIP
(SNAP-ON Part No. TMP23A) as shown in Figure 1-43.
a. On world models, idle speed is 950-1050 RPM.
b. On California models, idle speed is 1150-1250 RPM.
5. Timing light will flash each time ignition spark occurs.
Aim timing light into timing inspection hole. Front cylinder
advance timing mark should be centered in timing
inspection hole. If not, see ADJUSTMENT on page 1-31.
6. Set engine slow idle speed as described in Step 4 with
engine running at normal operating temperature and with
enrichener control knob pushed in fully.
Figure 1-42. Timing Inspection Hole
Figure 1-43. Adjusting Idle Speed
x0001c2x
Timing mark
Inspection hole
1. Carburetor idle adjustment tool
(Part No. HD-33413)
2. Tip (Snap-On Part No. TMP23A)
5599
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