LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 1991 >> 929 S >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Controls - Specifications >> Mechanical Checks >> Engine Compression >> RX7
October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Engine Compression: RX7

  1. Warm engine to normal operating temperature. Disconnect crank angle sensor connector. Hold throttle plate fully open. Remove both trailing spark plugs (the 2 top spark plugs). Connect Compression Tester (49-F018-9A0) to upper spark plug hole of front rotor housing.
  2. Crank engine for 5-10 seconds at specified cranking speed. Note the compression of the 3 combustion chambers. Repeat procedure at the rear rotor housing.
scientia non olet · About LEMON Manuals