Service Data and Specifications (S.D.S.) - Inspection and Adjustment (Cont'd)
EM-266spec tableSR engine (SR20DE/SR20DET) connecting rod, piston ring and piston pin specifications.
Inspection and Adjustment (Cont'd)
Piston ring
Piston ring
Side clearance - Top - Standard
Unit: mm (in)0.045 - 0.080 (0.0018 - 0.0031)
Side clearance - Top - Limit
Unit: mm (in)0.2 (0.008)
Side clearance - 2nd - Standard
Unit: mm (in)0.030 - 0.065 (0.0012 - 0.0026)
Side clearance - 2nd - Limit
Unit: mm (in)0.2 (0.008)
Ring gap - Top - Standard
Unit: mm (in)0.20 - 0.30 (0.0079 - 0.0118)
Ring gap - Top - Limit
Unit: mm (in)1.0 (0.039)
Ring gap - 2nd - Standard
Unit: mm (in)0.35 - 0.50 (0.0138 - 0.0197)
Ring gap - 2nd - Limit
Unit: mm (in)1.0 (0.039)
Ring gap - Oil - Standard
Unit: mm (in)0.20 - 0.60 (0.0079 - 0.0236)
Ring gap - Oil - Limit
Unit: mm (in)1.0 (0.039)
Piston pin
Piston pin
Piston pin outer diameter
Unit: mm (in)21.989 - 22.001 (0.8657 - 0.8662)
Interference fit of piston pin to piston
Unit: mm (in)0 - 0.004 (0 - 0.0002)
Piston pin to connecting rod bushing clearance - Standard
Unit: mm (in)0.005 - 0.017 (0.0002 - 0.0007)
Piston pin to connecting rod bushing clearance - Limit
Unit: mm (in)0.023 (0.0009)
NOTE
* Values measured at ambient temperature of 20°C (68°F)
CONNECTING ROD
Connecting rod
Center distance
Unit: mm (in)136.30 (5.3661)
Bend, torsion [per 100 (3.94)] - Limit
Unit: mm (in)0.15 (0.0059)
Torsion [per 100 (3.94)] - Limit
Unit: mm (in)0.3 (0.0012)
Connecting rod small end inner diameter
Unit: mm (in)24.980 - 25.000 (0.9835 - 0.9843)
Piston pin bushing inner diameter*
Unit: mm (in)22.000 - 22.012 (0.8661 - 0.8666)
Connecting rod big end inner diameter
Unit: mm (in)51.000 - 51.013 (2.0079 - 2.0084)
Side clearance - Standard
Unit: mm (in)0.20 - 0.35 (0.0079 - 0.0138)
Side clearance - Limit
Unit: mm (in)0.5 (0.020)
NOTE
*After installing in connecting rod