MX-5 Miata Mazdaspeed L4-1.8L DOHC Turbo (2004)
Crankshaft: Specifications
Torque ............................................................................................................................................................................................. 54-58 Nm (40-43 ft lbs)
Crankshaft
Runout Maximum ............................................................................................................................................................................ 0.03 mm (0.0012 in)
Main Journal Diameter
Standard .......................................................................................................................................................... 9.938-49.956 mm (1.9661-1.9667 in)
0.25 mm undersize ........................................................................................................................................ 49.688-49.706 mm (1.9563-1.9569 in)
0.50 mm undersize ........................................................................................................................................ 49.438-49.456 mm (1.9464-1.9470 in)
0.75 mm undersize ......................................................................................................................................... 49.188-49.206 mm (1.9366-1.9572 in)
Out-of-Round Maximum .................................................................................................................................................................... 0.05 mm (0.002 in)
Crank Pin Diameter
Standard ................................................................................................................................................................ 4.940-44.956 mm (1.7694-1.7699 in)
0.25 mm undersize .............................................................................................................................................. 44.690-44.706 mm (1.7595-1.7600 in)
0.50 mm undersize ............................................................................................................................................... 44.440-44.456 mm (1.7497-1.7502 in)
0.75 mm undersize .............................................................................................................................................. 44.190-44.206 mm (1.7398-1.7403 in)
Out-of-Round Maximum .................................................................................................................................................................... 0.05 mm (0.002 in)
Crankshaft End Play
Standard .................................................................................................................................................................. 0.080-0.282 mm (0.0032-0.0111 in)
Minimum ............................................................................................................................................................................................ 0.30 mm (0.012 in)
