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Home >> Geo >> 1989 >> Tracker Base, Automatic >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Remove/Install/Overhaul >> Introduction >> Adjustments >> Choke Breaker Clearance

Choke Breaker Clearance

  1. Using vacuum pump, apply 16 in. Hg to choke breaker diaphragm unit. Lightly push choke toward closed position.
  2. Check clearance between choke valve and bore. Clearance should be .057" (1.44 mm). Adjust by bending choke lever.
CARBURETOR ADJUSTMENT SPECIFICATIONS

Application In. (mm)
Float Level .59 (14.9)
Float Drop 1.74 (44.3)
Secondary Touch Angle .230 (5.87)
Choke Valve .086 (2.19)
Unloader .071 (1.80)
Fig 1: Exploded View of Spectrum Carburetor
G121754Courtesy of GENERAL MOTORS CORP.