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Mazda NB - MX-5 Miata Torque Specs

Verified torque references for Mazda NB - MX-5 Miata, including source links, safety notes, and ft-lb / Nm conversions.

Primary spec

Cylinder head bolts

58ft-lb

78.5 Nm

Safety note

Confirm safety-critical fastener values against the exact model-year service manual. Use a calibrated torque wrench, the correct tightening sequence, and vehicle-specific hardware.

Engine / Cylinder head

Cylinder head bolts

Verified

58ft-lb

78.5 Nm

Mazda published range: 76–81 Nm (56–60 ft-lb). Numeric fields store the midpoint; follow the illustrated tightening sequence.

Cylinder-head service requires the Mazda tightening sequence and all applicable replacement/inspection steps.

Source

Checked Jun 18, 2026

Mazda Factory Service Manual (Operation CHARM archive)

OEM workshop specification archived by Operation CHARM; numeric field stores midpoint of published range.

Open source

Fluids / Engine oil pan

Drain plug

Verified

26ft-lb

35.5 Nm

Mazda published range: 30–41 Nm (22–30 ft-lb). Numeric fields store the midpoint.

Install a new sealing washer and use the applicable Mazda published range.

Source

Checked Jun 18, 2026

Mazda Factory Service Manual (Operation CHARM archive)

OEM workshop specification archived by Operation CHARM; numeric field stores midpoint of published range.

Open source

Brakes / Front brake caliper

Lock bolt / guide pin bolt

Verified

61.5ft-lb

88.5 Nm

Mazda published range: 79–98 Nm (58–65 ft-lb). Numeric fields store the midpoint. Diagram applies to the front disc-pad replacement procedure.

Confirm front brake package and use the applicable Mazda published range.

Source

Checked Jun 18, 2026

Mazda Factory Service Manual (Operation CHARM archive)

OEM workshop specification archived by Operation CHARM; numeric field stores midpoint of published range.

Open source

Suspension / Front shock absorber

Upper nut

Verified

14.5ft-lb

19.5 Nm

Mazda published range: 16–23 Nm (12–17 ft-lb). Numeric fields store the midpoint.

Use the applicable Mazda published range and service sequence.

Source

Checked Jun 18, 2026

Mazda Factory Service Manual (Operation CHARM archive)

OEM workshop specification archived by Operation CHARM; numeric field stores midpoint of published range.

Open source

Drivetrain / Power Plant Frame

PPF installation bolt

Verified

84ft-lb

113.5 Nm

Mazda published range: 104–123 Nm (76.7–91.1 ft-lb). Numeric fields store the midpoint.

Follow Mazda alignment, order, and final-tightening procedure for the PPF.

Source

Checked Jun 18, 2026

Mazda Factory Service Manual (Operation CHARM archive)

OEM workshop specification archived by Operation CHARM; numeric field stores midpoint of published range.

Open source
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