Engine (1.8L Non-VVT) - NB Miata Torque Specs
Compressor Bracket-To-Engine Bolt
28-38 lb-ft
38-51 N-m
Alternator Top Bolt
27-38 lb-ft
37-52 N-m
Axle Shaft Bolt
174-235 lb-ft
235-319 N-m
Camshaft Sprocket Bolt
37-44 lb-ft
50-60 N-m
Connecting Rod Cap Nut
35-37 lb-ft
48-50 N-m
Crankshaft Pulley Attaching Bolts
9-13 lb-ft
12-18 N-m
Crankshaft/Timing Belt Sprocket Bolt
116-123 lb-ft
157-167 N-m
Crossmember-To-Frame Bolt
46-66 lb-ft
63-89 N-m
Cylinder Head Bolt⁽¹⁾
56-60 lb-ft
76-81 N-m
Distributer Bolt
14-19 lb-ft
19-26 N-m
Drive Shaft Bolts
37-43 lb-ft
50-58 N-m
Engine Mount-To-Engine Bolts
28-38 lb-ft
38-51 N-m
Engine Mount-To-Frame Nut
42-57 lb-ft
57-77 N-m
Exhaust Flange-To-WU/TWC Nuts
28-38 lb-ft
38-51 N-m
Exhaust Manifold Nuts/Bolts⁽²⁾
29-34 lb-ft
39-46 N-m
Flywheel Bolt
71-76 lb-ft
96-103 N-m
Fuel Rail Bolt
14-19 lb-ft
19-26 N-m
Generator Top Bolt
14-18 lb-ft
19-24 N-m
Intake Manifold Support Bracket
28-38 lb-ft
38-51 N-m
Intake Manifold Bolt/Nut⁽²⁾
14-19 lb-ft
19-26 N-m
Main Bearing Cap Bolt - Step 1⁽²⁾
22-27 lb-ft
30-37 N-m
Main Bearing Cap Bolt - Step 1 (Final)⁽²⁾
40-43 lb-ft
54-58 N-m
Oil Jet
9-13 lb-ft
12-18 N-m
Oil Pump-To-Block Bolt
14-19 lb-ft
19-26 N-m
28-38 lb-ft
38-51 N-m
Power Steering Pump-To-Bracket Bolt
PPF/Diff Spacer Mounting Bolt
27-38 lb-ft
37-52 N-m
PPF-To-Trans Long Mounting Bolt
77-91 lb-ft
104-123 N-m
PPF-To-Trans Side Mounting Bolt
77-91 lb-ft
104-123 N-m
PPF/Trans Rear Bracket Mounting Bolt
27-40 lb-ft
37-54 N-m
Spark Plug
11-16 lb-ft
15-22 N-m
Timing Belt Tensioner Bolt
27-38 lb-ft
37-52 N-m
Water Pump Bolt
14-19 lb-ft
19-26 N-m
Camshaft Cap Bolt (DOHC)⁽³⁾
100-125 lb-in⁽⁴⁾
11.3-14.1 N-m
Oil Pan-To-Engine Bolts
71-97 lb-in⁽⁴⁾
8-11 N-m
Oil Pump Cover Screws
53-80 lb-in⁽⁴⁾
6-9 N-m
Oil Strainer Bolts
71-97 lb-in⁽⁴⁾
8-11 N-m
Rear Cover Bolts
71-97 lb-in⁽⁴⁾
8-11 N-m
Timing Belt Cover Bolts
71-97 lb-in⁽⁴⁾
8-11 N-m
Water Pump Pulley Bolt
71-97 lb-in⁽⁴⁾
8-11 N-m
Valve Cover Bolts
44-78 lb-in⁽⁴⁾
5.0-8.8 N-m
⁽¹⁾Tighten in Sequence. See Fig. 19
⁽²⁾Tighten evenly to spec in alternating sequence.
⁽³⁾Tighten in Sequence. See Fig. 21 or Fig. 22
⁽⁴⁾lb-INCH
Sources: