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Home >> Suzuki >> 1989 >> Sidekick JA, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Adjustments >> Ignition Timing >> Distributor Specifications >> Vacuum Advance
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Vacuum Advance

Remove vacuum hose from 3-way connector and attach vacuum pump. Apply vacuum pump while observing breaker plate. Breaker plate should operate with a smooth movement and pump indicator should remain constant. If vacuum advance performance is incorrect, check vacuum unit, vacuum source and distributor.

NOTE: Mechanical and vacuum advance curve specifications are not available from manufacturer.
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