Standards and Service Limits - Engine/Cylinder Head, Valve Train

3-2spec tableUnverified

Separate spec tables for SOHC and DOHC engines. Cam lobe height differs by market: KY vs Ex. KY (non-KY) variants listed for the SOHC engine.

5. Engine/Cylinder Head, Valve Train (SOHC Engine)

Component	Measurement	Standard (New)	Service Limit
Compression	250 min⁻¹ (rpm) and wide-open throttle — Normal		1,275 kPa (13.0 kg/cm², 185 psi)
Compression	Minimum		932 kPa (9.5 kg/cm², 135 psi)
Compression	Maximum variation		196 kPa (2 kg/cm², 28 psi)
Cylinder head	Warpage	—	0.05 (0.002)
Cylinder head	Height	94.95-95.05	—
Camshaft	End play	0.05-0.15 (0.002-0.006)	0.5 (0.02)
Camshaft	Oil clearance	0.050-0.089 (0.002-0.004)	0.15 (0.006)
Camshaft	Runout	0-0.03 (0-0.001) max.	0.03 (0.001)
Camshaft	Cam lobe height — IN (Ex. KY)	36.603 (1.4411)	—
Camshaft	Cam lobe height — IN (KY)	36.957 (1.4515)	—
Camshaft	Cam lobe height — EX (Ex. KY)	36.747 (1.4467)	—
Camshaft	Cam lobe height — EX (KY)	36.996 (1.4565)	—
Valve	Valve clearance — IN	0.17-0.22 (0.007-0.009)	—
Valve	Valve clearance — EX	0.22-0.27 (0.009-0.011)	—
Valve	Valve stem O.D. — IN	5.48-5.49 (0.2157-0.2161)	5.45 (0.2147)
Valve	Valve stem O.D. — EX	5.45-5.46 (0.2147-0.2150)	5.42 (0.2134)
Valve	Stem-to-guide clearance — IN	0.02-0.05 (0.001-0.002)	0.08 (0.003)
Valve	Stem-to-guide clearance — EX	0.05-0.08 (0.002-0.003)	0.12 (0.005)
Valve	Stem installed height — IN	46.985-47.455 (1.8498-1.8683)	47.705 (1.8781)
Valve	Stem installed height — EX	48.965-49.435 (1.9278-1.9[?]63)	49.685 (1.9561)
Valve seat	Width — IN	0.85-1.15 (0.033-0.045)	1.6 (0.06)
Valve seat	Width — EX	1.25-1.55 (0.049-0.061)	2.0 (0.08)
Valve spring	Free length — IN	48.58 (1.9126)	47.64 (1.8756)
Valve spring	Free length — EX	49.19 (1.9366)	48.32 (1.9024)
Valve spring	Squareness — IN/EX	—	1.70/1.72 (0.0669/0.0677)
Valve guide	I.D. — IN and EX	5.51-5.53 (0.2169-0.2177)	5.55 (0.2185)
Rocker arm	Arm-to-shaft clearance — IN	0.017-0.05 (0.0007-0.0020)	0.08 (0.003)
Rocker arm	Arm-to-shaft clearance — EX	0.018-0.054 (0.0007-0.0021)	0.08 (0.003)

Compression

Measurement250 min⁻¹ (rpm) and wide-open throttle — Normal

Standard (New)

Service Limit1,275 kPa (13.0 kg/cm², 185 psi)

Compression

MeasurementMinimum

Standard (New)

Service Limit932 kPa (9.5 kg/cm², 135 psi)

Compression

MeasurementMaximum variation

Standard (New)

Service Limit196 kPa (2 kg/cm², 28 psi)

Cylinder head

MeasurementWarpage

Standard (New)—

Service Limit0.05 (0.002)

Cylinder head

MeasurementHeight

Standard (New)94.95-95.05

Service Limit—

Camshaft

MeasurementEnd play

Standard (New)0.05-0.15 (0.002-0.006)

Service Limit0.5 (0.02)

Camshaft

MeasurementOil clearance

Standard (New)0.050-0.089 (0.002-0.004)

Service Limit0.15 (0.006)

Camshaft

MeasurementRunout

Standard (New)0-0.03 (0-0.001) max.

Service Limit0.03 (0.001)

Camshaft

MeasurementCam lobe height — IN (Ex. KY)

Standard (New)36.603 (1.4411)

Service Limit—

Camshaft

MeasurementCam lobe height — IN (KY)

Standard (New)36.957 (1.4515)

Service Limit—

Camshaft

MeasurementCam lobe height — EX (Ex. KY)

Standard (New)36.747 (1.4467)

Service Limit—

Camshaft

MeasurementCam lobe height — EX (KY)

Standard (New)36.996 (1.4565)

Service Limit—

Valve

MeasurementValve clearance — IN

Standard (New)0.17-0.22 (0.007-0.009)

Service Limit—

Valve

MeasurementValve clearance — EX

Standard (New)0.22-0.27 (0.009-0.011)

Service Limit—

Valve

MeasurementValve stem O.D. — IN

Standard (New)5.48-5.49 (0.2157-0.2161)

Service Limit5.45 (0.2147)

Valve

MeasurementValve stem O.D. — EX

Standard (New)5.45-5.46 (0.2147-0.2150)

Service Limit5.42 (0.2134)

Valve

MeasurementStem-to-guide clearance — IN

Standard (New)0.02-0.05 (0.001-0.002)

Service Limit0.08 (0.003)

Valve

MeasurementStem-to-guide clearance — EX

Standard (New)0.05-0.08 (0.002-0.003)

Service Limit0.12 (0.005)

Valve

MeasurementStem installed height — IN

Standard (New)46.985-47.455 (1.8498-1.8683)

Service Limit47.705 (1.8781)

Valve

MeasurementStem installed height — EX

Standard (New)48.965-49.435 (1.9278-1.9[?]63)

Service Limit49.685 (1.9561)

Valve seat

MeasurementWidth — IN

Standard (New)0.85-1.15 (0.033-0.045)

Service Limit1.6 (0.06)

Valve seat

MeasurementWidth — EX

Standard (New)1.25-1.55 (0.049-0.061)

Service Limit2.0 (0.08)

Valve spring

MeasurementFree length — IN

Standard (New)48.58 (1.9126)

Service Limit47.64 (1.8756)

Valve spring

MeasurementFree length — EX

Standard (New)49.19 (1.9366)

Service Limit48.32 (1.9024)

Valve spring

MeasurementSquareness — IN/EX

Standard (New)—

Service Limit1.70/1.72 (0.0669/0.0677)

Valve guide

MeasurementI.D. — IN and EX

Standard (New)5.51-5.53 (0.2169-0.2177)

Service Limit5.55 (0.2185)

Rocker arm

MeasurementArm-to-shaft clearance — IN

Standard (New)0.017-0.05 (0.0007-0.0020)

Service Limit0.08 (0.003)

Rocker arm

MeasurementArm-to-shaft clearance — EX

Standard (New)0.018-0.054 (0.0007-0.0021)

Service Limit0.08 (0.003)

5. Engine/Cylinder Head, Valve Train (DOHC Engine)

Component	Measurement	Standard (New)	Service Limit
Compression	250 min⁻¹ (rpm) and wide-open throttle — Nominal		1,324 kPa (13.5 kg/cm², 192 psi)
Compression	Minimum		932 kPa (9.5 kg/cm², 135 psi)
Compression	Maximum variation		196 kPa (2 kg/cm², 28 psi)
Cylinder head	Warpage	—	0.05 (0.002)
Cylinder head	Height	131.95-132.05	—
Camshaft	End play	0.05-0.15 (0.002-0.006)	0.5 (0.02)
Camshaft	Oil clearance	0.050-0.089 (0.002-0.004)	0.15 (0.006)
Camshaft	Runout	0-0.03 (0-0.001) max.	0.03 (0.001)
Camshaft	Cam lobe height — IN	33.021 (1.3000)	—
Camshaft	Cam lobe height — EX	32.382 (1.2749)	—
Valve	Valve clearance — IN	0.13-0.17 (0.005-0.007)	—
Valve	Valve clearance — EX	0.15-0.19 (0.006-0.008)	—
Valve	Valve stem O.D. — IN	6.58-6.59 (0.2591-0.2595)	6.55 (0.2579)
Valve	Valve stem O.D. — EX	6.55-6.56 (0.2579-0.2583)	6.52 (0.2567)
Valve	Stem-to-guide clearance — IN	0.02-0.05 (0.001-0.002)	0.08 (0.003)
Valve	Stem-to-guide clearance — EX	0.05-0.08 (0.002-0.003)	0.12 (0.005)
Valve	Stem installed height — IN	45.545-46.015 (1.7931-1.8116)	46.265 (1.8215)
Valve	Stem installed height — EX	44.735-45.205 (1.7612-1.7797)	45.455 (1.7896)
Valve seat	Width — IN and EX	1.25-1.55 (0.049-0.061)	2.0 (0.08)
Valve spring	Free length — IN	47.49 (1.8697)	46.46 (1.8291)
Valve spring	Free length — EX	46.89 (1.8461)	45.93 (1.8083)
Valve spring	Squareness — IN/EX	—	1.66/1.64 (0.065/0.065)
Valve guide	I.D. — IN and EX	6.61-6.63 (0.2602-0.2610)	6.55 (0.2579)

Compression

Measurement250 min⁻¹ (rpm) and wide-open throttle — Nominal

Standard (New)

Service Limit1,324 kPa (13.5 kg/cm², 192 psi)

Compression

MeasurementMinimum

Standard (New)

Service Limit932 kPa (9.5 kg/cm², 135 psi)

Compression

MeasurementMaximum variation

Standard (New)

Service Limit196 kPa (2 kg/cm², 28 psi)

Cylinder head

MeasurementWarpage

Standard (New)—

Service Limit0.05 (0.002)

Cylinder head

MeasurementHeight

Standard (New)131.95-132.05

Service Limit—

Camshaft

MeasurementEnd play

Standard (New)0.05-0.15 (0.002-0.006)

Service Limit0.5 (0.02)

Camshaft

MeasurementOil clearance

Standard (New)0.050-0.089 (0.002-0.004)

Service Limit0.15 (0.006)

Camshaft

MeasurementRunout

Standard (New)0-0.03 (0-0.001) max.

Service Limit0.03 (0.001)

Camshaft

MeasurementCam lobe height — IN

Standard (New)33.021 (1.3000)

Service Limit—

Camshaft

MeasurementCam lobe height — EX

Standard (New)32.382 (1.2749)

Service Limit—

Valve

MeasurementValve clearance — IN

Standard (New)0.13-0.17 (0.005-0.007)

Service Limit—

Valve

MeasurementValve clearance — EX

Standard (New)0.15-0.19 (0.006-0.008)

Service Limit—

Valve

MeasurementValve stem O.D. — IN

Standard (New)6.58-6.59 (0.2591-0.2595)

Service Limit6.55 (0.2579)

Valve

MeasurementValve stem O.D. — EX

Standard (New)6.55-6.56 (0.2579-0.2583)

Service Limit6.52 (0.2567)

Valve

MeasurementStem-to-guide clearance — IN

Standard (New)0.02-0.05 (0.001-0.002)

Service Limit0.08 (0.003)

Valve

MeasurementStem-to-guide clearance — EX

Standard (New)0.05-0.08 (0.002-0.003)

Service Limit0.12 (0.005)

Valve

MeasurementStem installed height — IN

Standard (New)45.545-46.015 (1.7931-1.8116)

Service Limit46.265 (1.8215)

Valve

MeasurementStem installed height — EX

Standard (New)44.735-45.205 (1.7612-1.7797)

Service Limit45.455 (1.7896)

Valve seat

MeasurementWidth — IN and EX

Standard (New)1.25-1.55 (0.049-0.061)

Service Limit2.0 (0.08)

Valve spring

MeasurementFree length — IN

Standard (New)47.49 (1.8697)

Service Limit46.46 (1.8291)

Valve spring

MeasurementFree length — EX

Standard (New)46.89 (1.8461)

Service Limit45.93 (1.8083)

Valve spring

MeasurementSquareness — IN/EX

Standard (New)—

Service Limit1.66/1.64 (0.065/0.065)

Valve guide

MeasurementI.D. — IN and EX

Standard (New)6.61-6.63 (0.2602-0.2610)

Service Limit6.55 (0.2579)

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Standards and Service Limits - Engine/Cylinder Head, Valve Train

5. Engine/Cylinder Head, Valve Train (SOHC Engine)

5. Engine/Cylinder Head, Valve Train (DOHC Engine)

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