Engine Specifications
CYLINDER BLOCKCylinder Bore Diameter 87.4924 - 87.5076 mm (3.4446 - 3.4452 in.)
Out-of-Round (Max.) 0.051 mm (0.002 in.)
Taper (Max.) 0.051 mm (0.002 in.)
PISTONS
Piston Diameter 87.463 - 87.481 mm (3.4434 - 3.4441 in.)
Clearance * 0.024 - 0.057 mm (0.0009 - 0.0022 in.)
Weight 346 - 356 grams (12.20 - 12.56 oz.)
Land Clearance (Diametrical) 0.614 - 0.664 mm (0.024 - 0.026 in.)
Piston Length 66.25 mm (2.608 in.)
Piston Ring Groove Depth
No. 1 4.640 - 4.784 mm (0.182 - 0.188 in.)
No. 2 4.575 - 4.719 mm (0.180 - 0.185 in.)
No. 3 4.097 - 4.236 mm (0.161 - 0.166 in.)
* @ 14 mm (9/16 in.) from bottom of skirt
PISTON PINS
Clearance in Piston 0.005 - 0.018 mm (0.0002 - 0.0008 in.)
Clearance in Connecting Rod Interference
Diameter 21.998 - 22.003 mm (0.8660 - 0.8662 in.)
End Play None
Length 72.75 - 73.25 mm (2.864 - 2.883 in.)
PISTON RINGS
Ring Gap
Top Compression Ring
Standard 0.25 - 0.51 mm (0.0098 - 0.020 in.)
Wear Limit 0.8 mm (0.031 in.)
2nd Compression Ring
Standard 0.23 - 0.48 mm (0.009 - 0.018 in.)
Wear Limit 0.8 mm (0.031 in.)
Oil Control Steel Rails
Standard 0.25 - 0.64 mm (0.0098 - 0.025 in.)
Wear Limit 1.00 mm (0.039 in.)
Ring Side Clearance
Compression Rings
Standard 0.030 - 0.080 mm (0.0011 - 0.0031 in.)
Wear Limit 0.10 mm (0.004 in.)
Oil Ring Pack 0.012 - 0.178 mm (0.0004 - 0.0070 in.)
Ring Width
Compression Rings 1.47 - 1.50 mm (0.057 - 0.059 in.)
Oil Ring Pack 2.72 - 2.88 mm (0.107 - 0.1133 in.)
CONNECTING ROD
Bearing Clearance
Standard 0.025 - 0.071 mm (0.0009 - 0.0027 in.)
Wear Limit 0.075 mm (0.003 in.)
Bore Diameter
Piston Pin 20.96 - 20.98 mm (0.8252 - 0.8260 in.)
Crankshaft End 53.007 - 52.993 mm (2.0868 - 2.0863 in.)
Side Clearance
Standard 0.13 - 0.38 mm (0.005 - 0.015 in.)
Wear Limit 0.40 mm (0.016 in.)
Weight - Total (Less Bearing) 565.8 grams (19.96 oz.)
CRANKSHAFT
Connecting Rod Journal Diameter 49.984 - 50.000 mm (1.968 - 1.9685 in.)
Main Bearing Journal Diameter 59.992 - 60.008 mm (2.362 - 2.3625 in.)
Journal Out-of-Round (Max.) 0.0035 mm (0.0003 in.)
Journal Taper (Max.) 0.007 mm (0.0001 in.)
End Play 0.09 - 0.24 mm (0.0035 - 0.0094 in.)
Wear Limit 0.38 mm (0.015 in.)
Main Bearing Diametrical Clearance 0.018 - 0.062 mm (0.0007 - 0.0024 in.)
HYDRAULIC LASH ADJUSTER
Body Diameter 15.901 - 15.913 mm (0.626 - 0.6264 in.)
Plunger Travel Minimum (Dry) 3.0 mm (0.118 in.)
CYLINDER HEAD CAMSHAFT BEARING BORE DIAMETER
Journals No. 1 - 6 26.020 - 26.041 mm (1.024 - 1.025 in.)
CAMSHAFT
Journal Diameter No. 1 - 6 25.951 - 25.970 mm (1.021 - 1.022 in.)
Bearing Clearance (Diametrical) 0.069 - 0.071 mm (0.0027 - 0.003 in.)
End Play 0.05 - 0.17 mm (0.0019 - 0.0066 in.)
Lift (Zero Lash)
Intake 8.25 mm (0.324 in.)
Exhaust 6.60 mm (0.259 in.)
Intake Valve Timing *
Closes 51 °ABDC
Opens 1 °BTDC
Duration 232 °
Exhaust Valve Timing *
Closes 7 °ATDC
Opens 47 °BBDC
Duration 234 °
Valve Overlap 8 °
* All readings in crankshaft degrees. Timing points @ 4 ° from top of ramps.
CYLINDER HEAD
Material Cast Aluminum
Gasket Thickness (Compressed) 0.71 mm (0.028 in.)
Valve Seat Angle 44.5 - 45 °
Valve Seat Diameter
Intake 34.37 - 34.63 mm (1.353 - 1.363 in.)
Exhaust 27.06 - 27.32 mm (1.065 - 1.075 in.)
Runout (Max.) 0.05 mm (0.002 in.)
Valve Seat Width
Standard
Intake 0.9 - 1.3 mm (0.035 - 0.051 in.)
Exhaust 0.9 - 1.3 mm (0.035 - 0.051 in.)
Service Limit
Intake 2.0 mm (0.079 in.)
Exhaust 2.5 mm (0.098 in.)
Valve Guide Diameter (I.D.) 5.975 - 6.000 mm (0.235 - 0.236 in.)
Valve Guide Bore Diameter 11.0 - 11.02 mm (0.4330 - 0.4338 in.)
Valve Guide Height (spring seat to guide tip) 13.25 - 13.75 mm (0.521 - 0.541 in.)
VALVES
Face Angle
Intake 44.5 - 45 °
Exhaust 44.5 - 45 °
Head Diameter
Intake 34.67 - 34.93 mm (1.364 - 1.375 in.)
Exhaust 28.32 - 28.52 mm (1.114 - 1.122 in.)
Valve Length (Overall)
Intake 112.76 - 113.32 mm (4.439 - 4.461 in.)
Exhaust 110.89 - 111.69 mm (4.365 - 4.397 in.)
Valve Stem Diameter
Intake 5.934 - 5.952 mm (0.2337 - 0.2344 in.)
Exhaust 5.906 - 5.924 mm (0.2326 - 0.2333 in.)
Valve Margin
Intake
Standard 1.2 - 1.7 mm (0.047 - 0.066 in.)
Service Limit 0.95 mm (1/32 in.)
Exhaust
Standard 0.985 - 1.315 mm (0.038 - 0.051 in.)
Service Limit 1.05 mm (3/64 in.)
Valve Stem Tip
Intake 48.04 mm (1.891 in.)
Exhaust 47.99 mm (1.889 in.)
Valve Stem to Guide Clearance
Intake
Standard 0.048 - 0.066 mm (0.0018 - 0.0025 in.)
Max. Allowable 0.076 mm (0.003 in.)
Service Limit 0.25 mm (0.010 in.)
Exhaust
Standard 0.0736 - 0.094 mm (0.0029 - 0.0037 in.)
Max. Allowable 0.101 mm (0.004 in.)
Service Limit 0.25 mm (0.010 in.)
VALVE SPRINGS
Free Length (Approx.) 48.4 mm (1.905 in.)
Nominal Force
Valve Closed 338 N @ 38.0 mm (75.98 lbs. @ 1.496 in.)
Valve Open 607 N @ 29.75 mm (136 lbs. @ 1.172 in.)
Installed Height 38.00 mm (1.496 in.)
Number of Coils 7.82
Wire Diameter 3.86 mm (1.496 in.)
OIL PUMP
Clearance Over Rotors (Max.) 0.10 mm (0.004 in.)
Cover Out-of-Flat (Max.) 0.025 mm (0.001 in.)
Inner Rotor Thickness (Min.) 9.40 mm (0.370 in.)
Outer Rotor Thickness (Min.) 9.40 mm (0.370 in.)
Outer Rotor Clearance (Max.) 0.039 mm (0.015 in.)
Outer Rotor Diameter (Min.) 79.95 mm (3.148 in.)
Tip Clearance Between Rotors (Max.) 0.20 mm (0.008 in.)
OIL PRESSURE
@ Curb Idle Speed * 25 kPa (4 psi)
@ 3000 rpm 170 - 550 kPa (25 - 80 psi)
* CAUTION: If pressure is ZERO at curb idle, DO NOT run engine at 3000 rpm.