1KR-FE ENGINE MECHANICAL SERVICE DATA

Ignition timing 8 to 12 degrees BTDC
Idle speed 790 to 890 rpm
Compression Compression pressure

1,422 kPa (14.5 kgf/cm2, 206 psi)

Minimum pressure

1,079 kPa (11.0 kgf/cm2, 156 psi)

Difference between each cylinder

147 kPa (1.5 kgf/cm2, 21 psi)

CO concentration 0.2% or less
HC concentration 70 ppm or less
Fan and generator V belt deflection New belt 7 to 8 mm (0.28 to 0.31 in.)
Used belt 9 to 11 mm (0.35 to 0.43 in.)
Valve clearance (Cold) Intake 0.145 to 0.235 mm (0.00571 to 0.00925 in.)
Exhaust 0.275 to 0.365 mm (0.01083 to 0.01437 in.)
Cylinder head sub-assembly Maximum warpage 0.05 mm (0.0020 in.)
Connecting rod Standard thrust clearance 0.1 to 0.3 mm (0.004 to 0.012 in.)
Maximum thrust clearance 0.35 mm (0.0138 in.)
Standard oil clearance 0.016 to 0.042 mm (0.00063 to 0.00165 in.)
Maximum oil clearance 0.045 mm (0.00177 in.)
Standard diameter 43.000 to 43.024 mm (1.69291 to 1.69385 in.)
Standard thickness 1.492 to 1.501 mm (0.05874 to 0.05909 in.)
Crankshaft Standard thrust clearance 0.02 to 0.04 mm (0.0008 to 0.0016 in.)
Maximum thrust clearance 0.30 mm (0.0118 in.)
Standard oil clearance 0.021 to 0.046 mm (0.00083 to 0.00181 in.)
Maximum oil clearance 0.046 mm (0.00181 in.)
Standard circle runout 0.03 mm (0.0012 in.)
Maximum circle runout 0.04 mm (0.0016 in.)
Standard diameter (Main journal) 43.988 to 44.000 mm (1.73181 to 1.73228 in.)
Maximum elliptic degree and tapered amount (Main journal) 0.03 mm (0.0012 in.)
Standard diameter (Crankshaft pin) 39.992 to 40.000 mm (1.57449 to 1.57480 in.)
Maximum elliptic degree and tapered amount (Crankshaft pin) 0.03 mm (0.0012 in.)
Timing chain guide Maximum wear 0.5 mm (0.020 in.)
Timing chain tension arm Maximum wear 0.5 mm (0.020 in.)
Camshaft Maximum circle runout 0.03 mm (0.0012 in.)
Standard cam lobe height (Intake) 41.54 to 41.64 mm (1.6354 to 1.6394 in.)
Standard cam lobe height (Exhaust) 40.97 to 41.07 mm (1.6130 to 1.6169 in.)
Minimum cam lobe height (Intake) 41.44 mm (1.6315 in.)
Minimum cam lobe height (Exhaust) 40.87 mm (1.6091 in.)
Standard thrust clearance 0.100 to 0.225 mm (0.00394 to 0.00886 in.)
Maximum thrust clearance 0.240 mm (0.00944 in.)
Camshaft bearing No.1 (Intake) standard oil clearance 0.025 to 0.061 mm (0.00098 to 0.00240 in.)
Camshaft bearing No.1 (Exhaust) standard oil clearance 0.037 to 0.073 mm (0.00146 to 0.00287 in.)
Camshaft bearing No.2 (Intake) standard oil clearance 0.035 to 0.072 mm (0.00138 to 0.00283 in.)
Camshaft bearing No.2 (Exhaust) standard oil clearance 0.035 to 0.072 mm (0.00138 to 0.00283 in.)
Inner compression spring Maximum deviation 1.5 mm (0.059 in.)
Valve seat Standard width (Intake) 1.20 to 1.70 mm (0.0472 to 0.0669 in.)
Standard width (Exhaust) 1.11 to 1.61 mm (0.0437 to 0.0634 in.)
Cylinder head bolt Maximum length 123.5 mm (4.862 in.)
Cylinder block sub-assembly Maximum warpage 0.05 mm (0.0020 in.)
Cylinder bore Standard diameter 71.000 to 71.013 mm (2.79527 to 2.79578 in.)
Maximum diameter 71.133 mm (2.80051 in.)
Piston Piston diameter 70.945 to 70.963 mm (2.79311 to 2.79381 in.)
Minimum diameter 70.945 mm (2.79311 in.)
Standard oil clearance 0.037 to 0.068 mm (0.00146 to 0.00268 in.)
Maximum oil clearance 0.098 mm (0.00386 in.)
Standard ring grove clearance (No.1 ring) 0.02 to 0.07 mm (0.0008 to 0.0028 in.)
Standard ring grove clearance (No.2 ring) 0.02 to 0.06 mm (0.0008 to 0.0024 in.)
Standard ring grove clearance (Oil ring) 0.020 to 0.065 mm (0.00079 to 0.00256 in.)
Piston ring Standard end gap (No.1 ring) 0.20 to 0.30 mm (0.0079 to 0.0118 in.)
Standard end gap (No.2 ring) 0.40 to 0.60 mm (0.0157 to 0.0236 in.)
Standard end gap (Oil ring) 0.10 to 0.40 mm (0.0039 to 0.0157 in.)
Maximum end gap (No.1 ring) 0.79 mm (0.0311 in.)
Maximum end gap (No.2 ring) 0.75 mm (0.0295 in.)
Maximum end gap (Oil ring) 0.69 mm (0.0272 in.)
Connecting rod bolt Minimum diameter 6.4 mm (0.252 in.)