PERIODIC LUBRICATION AND MAINTENANCE: IGNITION TIMING ADJUSTMENT PART 01 FOR HONDA CB450 CL450 CB500T TWINS

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Prior to adjusting ignition timing, make sure that the cam chain and breaker point gaps are correctly adjusted. Make reference to Cam chain Adjustment and Breaker Point Adjustment.

A strobe-type timing light is required to have the best adjustment. To adjust timing using this unit, follow Steps 1 through 10. If no timing light is accessible, follow Steps 11 through 21.

1. Hook up the timing light to the left cylinder, following its manufacturer’s instructions.

2. Set the motorcycle on its centerstand, then take out the alternator cover.
Note: A few oil may spray from the engine on this procedure.

3. Start the engine, and allow it idle at 1,100 rmp.

4. Direct the timing light on the alternator rotor.
The LF mark must align with its index pointer (Figure 28 – LF mark align with Index mark). Or even, refer to Figure 29 – Rotor diagram, all bolt and screw position for timing adjustment. Loosen both screws (2) slightly, then move the entire base plate using a screwdriver put to pry slots (5). Clockwise rotation advance timing; counterclockwise rotation retards it. Fasten screws (2).

5. Stop the engine and once again check left cylinder breaker point gap.

6. Connect the timing light to the right cylinder, then start the engine and again run it at 1,100 rpm.

7. Direct the timing light on the alternator rotor.
The F mark must align with the index. If not, slightly loosen screws (3) for the right-hand breaker points, then vary the gap as required to adjust right cylinder timing. Make sure to tighten screws (3).When a satisfactory adjustm...

ent can’t be obtained with pont gap within specifications, loosen screw (2), then move the base plate until the F mark and points align. Tighten screws (2).

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  • Figure 28honda 100 cl timing marks, honda cb500t ignition timing, ignition timing cb450, adjusting timing on honda cb450 with electronic ignition, ignition timing on a honda cb450, cb450 ignition upgrade, cb500t timing, checking points gap cb450, cb500t cylinder timing. Figure 28 on Ignition Timing Adjustment Part 01 of 1956-1977 Honda CB450 CL450 CB500T Twins Service Manuals
  • Figure 29honda 100 cl timing marks, honda cb500t ignition timing, ignition timing cb450, adjusting timing on honda cb450 with electronic ignition, ignition timing on a honda cb450, cb450 ignition upgrade, cb500t timing, checking points gap cb450, cb500t cylinder timing. Figure 29 on Ignition Timing Adjustment Part 01 of 1956-1977 Honda CB450 CL450 CB500T Twins Service Manuals
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