1KR-FE ENGINE MECHANICAL SERVICE DATA

Ignition timing Connect terminals 13 (TC) and 4 (CG) of the DLC3 Standard 8 to 12°BTDC
Disconnect terminals 13 (TC) and 4 (CG) of the DLC3 -5 to 15°BTDC
Idle speed Standard 730 to 830 rpm
Compression pressure Standard

1422 kPa (14.5 kgf/cm2, 206 psi)

Minimum pressure

1079 kPa (11.0 kgf/cm2, 156 psi)

Difference between each cylinder

147 kPa (1.5 kgf/cm2, 21psi)

Fan and generator V belt deflection

(pressing force 10 N (10 kg, 22 lb)

New belt Standard 7.0 to 8.0 mm (0.276 to 0.315 in.)
Used belt Standard 10.0 to 12.0 mm (0.394 to 0.472 in.)
Chain elongation Maximum 66.7 mm (2.6260 in.)
Camshaft circle runout Maximum 0.03 mm (0.0012 in.)
Camshaft cam lobe height Standard 41.54 to 41.64 mm (1.6354 to 1.6394 in.)
Minimum 41.44 mm (1.6315 in .)
Camshaft journal diameter No. 1 Standard 33.984 to 34.000 mm (1.3380 to 1.3386 in.)
Other Standard 22.949 to 22.965 mm (0.9035 to 0.9041 in.)
No. 2 camshaft circle runout Maximum 0.03 mm (0.0012 in.)
No. 2 camshaft cam lobe height Standard 40.97 to 41.07 mm (1.6310 to 1.6169 in.)
Minimum 40.87 mm (1.6091 in.)
No. 2 camshaft diameter No. 1 journal Standard 25.979 to 25.965 mm (25.979 to 25.965 in.)
Other journal Standard 22.949 to 22.965 mm (0.9035 to 0.9041 in.)
Camshaft thrust clearance Standard 0.100 to 0.225 mm (0.00394 to 0.00886 in.)
Maximum 0.240 mm (0.00944 in.)

Camshaft oil clearance

(Intake side)

No. 1 journal Standard 0.025 to 0.061 mm (0.00098 to 0.00240 in.)
Maximum 0.09 mm (0.00354 in.)
Other journals Standard 0.035 to 0.072 mm (0.00138 to 0.00283 in.)
Maximum 0.10 mm (0.00393 in.)

Camshaft oil clearance

(Exhaust side)

No. 1 journal Standard 0.037 to 0.073 mm (0.00146 to 0.00287 in.)
Maximum 0.10 mm (0.00393 in.)
Other journals Standard 0.035 to 0.072 mm (0.00138 to 0.00283 in.)
Maximum 0.10 mm (0.00393 in.)
Cylinder head set bolt length Standard 121.0 to 122.0 mm (4.7638 to 4.8031 in.)
Maximum 123.5 mm (4.8622 in.)
Cylinder head warpage Lower side Maximum 0.05 mm (0.002 in.)
Intake side Maximum 0.05 mm (0.002 in.)
Exhaust side Maximum 0.05 mm (0.002 in.)
Compression spring Free length Standard 51.63 mm (2.0327 in.)
Angle Maximum
Intake valve Valve stem diameter Standard 4.970 to 4.985 mm (0.19567 to 0.19626 in.)
Exhaust valve Valve stem diameter Standard 4.965 to 4.980 mm (0.19547 to 0.19606 in.)
Intake valve guide bush Inside diameter Standard 5.01 to 5.03 mm (0.19724 to 0.19803 in.)
Oil clearance Standard 0.025 to 0.060 mm (0.00098 to 0.00236 in.)
Maximum 0.08 mm (0.00315 in.)
Protrusion height Standard 9.4 to 10.0 mm (0.3701 to 0.3937 in.)
Exhaust valve guide bush Inside diameter Standard 5.01 to 5.03 mm (0.19724 to 0.19803 in.)
Oil clearance Standard 0.030 to 0.065 mm (0.00118 to 0.00256 in.)
Maximum 0.10 mm (0.00394 in.)
Protrusion height Standard 9.4 to 10.0 mm (0.3701 to 0.3937 in.)
Intake valve guide bush bore diameter Standard 9.685 to 9.706 mm (0.3813 to 0.3821 in.)
Exhaust valve guide bush bore diameter Standard 9.685 to 9.706 mm (0.3813 to 0.3821 in.)

Ring pin protrusion height

(Cylinder head)

Standard 4.5 to 5.5 mm (0.177 to 0.217 in.)

Valve stem oil seal depth

(for TMC made)

Intake side Standard 10.0 to 11.6 mm (0.394 to 0.457 in.)
Exhaust side Standard 9.4 to 11.0 mm (0.370 to 0.433 in.)

Valve stem oil seal depth

(for TMMF made)

Intake side Standard 9.7 to 11.3 mm (0.382 to 0.445 in.)
Exhaust side Standard 9.3 to 10.9 mm (0.366 to 0.429 in.)
Cylinder block warpage Maximum 0.05 mm (0.002 in.)
Cylinder bore diameter Standard 71.000 to 71.013 mm (2.79527 to 2.79578 in.)
Maximum 71.133 mm (2.80051 in.)
Piston diameter Standard 70.945 to 70.963 mm (2.79311 to 2.79381 in.)
Piston oil clearance Standard 0.037 to 0.068 mm (0.00146 to 0.00268 in.)
Piston ring groove clearance No. 1 Ring Standard 0.02 to 0.07 mm (0.0008 to 0.0028 in.)
No. 2 Ring Standard 0.02 to 0.06 mm (0.0008 to 0.0024 in.)
Oil Ring Standard 0.020 to 0.065 mm (0.00079 to 0.00256 in.)
Piston ring end gap No. 1 Ring Standard 0.20 to 0.30 mm (0.0079 to 0.0118 in.)
Maximum 0.79 mm (0.0311 in.)
No. 2 Ring Standard 0.40 to 0.60 mm (0.0157 to 0.0236 in.)
Maximum 0.75 mm (0.0295 in.)
Oil Ring Standard 0.10 to 0.40 mm (0.0039 to 0.0157 in.)
Maximum 0.69 mm (0.0272 in.)
Connecting rod bolt diameter Standard 6.6 to 7.7 mm (0.260 to 0.264 in.)
Minimum 6.4 mm (0.252 in.)
Crankshaft circle runout Maximum 0.03 mm (0.0012 in.)
Crankshaft main journal diameter Standard 43.988 to 44.000 mm (1.73181 to 1.73228 in.)
Crankshaft main journal elliptic degree and tapered amount Maximum 0.03 mm (0.0012 in.)
Crankshaft journal diameter Mark 1 Standard 43.994 to 44.000 (1.73204 to 1.73228 in.)
Mark 2 Standard 43.988 to 43.994 (1.73171 to 1.73204 in.)
Crankshaft pin diameter Standard 39.992 to 40.000 mm (1.57449 to 1.57480 in.)
Crankshaft pin elliptic degree and tapered amount Maximum 0.03 mm (0.0012 in.)
Crankshaft thrust clearance Standard 0.02 to 0.22 mm (0.0008 to 0.0087 in.)
Maximum 0.30 mm (0.0118 in.)
Crankshaft oil clearance Standard 0.006 to 0.024 mm (0.00024 to 0.00094 in.)
Maximum 0.024 mm (0.00094 in.)
Cylinder block journal bore diameter Mark 1 Standard 48.000 to 48.006 mm (1.88976 to 1.89000 in.)
Mark 2 Standard 48.006 to 48.012 (1.89000 to 1.89023 in.)
Mark 3 Standard 48.012 to 48.018 (1.89023 to 1.890047 in.)
Crankshaft main bearing center wall thickness Mark 2 Standard 1.994 to 1.997 mm (0.07850 to 0.07862 in.)
Mark 3 Standard 1.997 to 2.000 mm (0.07862 to 0.07874 in.)
Mark 4 Standard 2.000 to 2.003 mm (0.07874 to 0.07886 in.)
Mark 5 Standard 2.003 to 2.006 mm (0.07886 to 0.07898 in.)
Connecting rod thrust oil clearance Standard 0.1 to 0.3 mm (0.004 to 0.012 in.)
Maximum 0.35 mm (0.0138 in.)
Connecting rod oil clearance Standard 0.016 to 0.042 mm (0.00063 to 0.00165 in.)
Connecting rod big end bore diameter Mark 1 Standard 43.000 to 43.008 mm (1.69291 to 1.69323 in.)
Mark 2 Standard 43.009 to 43.016 mm (1.69326 to 1.69354 in.)
Mark 3 Standard 43.017 to 43.024 (1.69358 to 1.69386 in.)
Connecting rod bearing thickness Mark 1 Standard 1.492 to 1.495 mm (0.05874 to 0.05886 in.)
Mark 2 Standard 1.495 to 1.498 mm (0.05886 to 0.05898 in.)
Mark 3 Standard 1.498 to 1.501 mm (0.05898 to 0.05909 in.)
Crankshaft pin diameter Mark 1, 2, 3 Standard 39.992 to 40.000 mm (1.57445 to 1.57480 in.)

Ring pin protrusion height

(Cylinder block)

Standard 6.0 to 7.0 mm (0.236 to 0.276 in.)

Straight pin protrusion height

(Cylinder block)

Pin A Standard 7.0 to 8.0 mm (0.276 to 0.315 in.)
Pin B Standard 8.0 to 9.0 mm (0.315 to 0.354 in.)