Cylinder Head Installation Note

Measure the length of each bolt. Replace any that exceed the maximum length.
Standard Length

104.2-104.8 mm {4.103-4.125 in}

Maximum Length

105.5 mm {4.153 in}

Fig 1: Measuring Cylinder Head Bolt
Courtesy of MAZDA MOTORS CORP.
Tighten the cylinder head bolts a few turns in the order shown.

Fig 2: Cylinder Head Bolt Tightening Sequence
Courtesy of MAZDA MOTORS CORP.
Put a paint mark on each bolt head.
Using the marks as a reference, tighten the bolts by turning each 85°-95° in the sequence shown .

Fig 3: Identifying Reference Marks
Courtesy of MAZDA MOTORS CORP.
Further tighten each bolt by turning another 85°-95° in the sequence shown .