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Home >> Mazda >> 1994 >> 929 >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Specifications >> Quick-Service >> Engine Compression
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Engine Compression

  1. Warm engine to normal operating temperature. Remove all spark plugs. Disconnect ignition coil primary wire connector.
  2. Hold throttle plate fully open. Crank engine, and note compression pressure.
COMPRESSION RATIO

Application Specification
929 9.2:1
COMPRESSION SPECIFICATIONS

Application Minimum psi (kg/cm2 ) @ RPM Standard psi (kg/cm2 ) @ RPM
929 157 (11.0) @ 270 213 (15.0) @ 270