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Home >> Toyota >> 1986 >> MR2 Automatic >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 1.6L 4-CYL DOHC - VIN [A] >> Engine Specifications

Engine Specifications

GENERAL SPECIFICATIONS

Application In. (mm)
Displacement
Cu. In. 96.8
Liters 1.6
Fuel System Fuel Injecter
HP @ RPM 112 @ 6600
Torque Ft. @ RPM 97 @ 4800
Compr. Ratio 9.0:1
Bore 3.19 (81.0)
Stroke 3.03 (77.0)
VALVE SPECIFICATIONS

Application In. (mm)
Intake
Head Diameter N/A
Face Angle 44.5°
Seat Angle 45°
Seat Width .039-.055 (1.00-1.40)
Stem Diameter .2350-.2356 (5.970-5.985)
Stem Clearance .0010-.0024 (.025-.060)
Valve Lift N/A
Exhaust
Head Diameter N/A
Face Angle 44.5°
Seat Angle 45°
Seat Width .039-.055 (1.00-1.40)
Stem Diameter .2348-.2354 (5.965-5.980)
Stem Clearance .0012-0026 (.030-.065)
Valve Lift N/A
PISTONS, PINS & RINGS SPECIFICATIONS

Application In. (mm)
Piston Clearance .004-.005 (.10-.12)
Pins
Piston Fit (1) Press Fit
Rod Fit (1) Press Fit
Rings
Ring No. 1
End Gap .010-.019 (.25-.47)
Side Clearance .0012-.0028 (.030-.070)
Ring No. 2
End Gap .006-.017 (.15-.42)
Side Clearance .0008-.0024 (.020-.060)
Oil Ring
End Gap .012-.040 (.30-1.02)
Side Clearance N/A
(1) Piston and pins are available only as a set.
CRANKSHAFT MAIN & CONNECTING ROD BEARINGS SPECIFICATIONS

Application In. (mm)
Main Bearings
Journal Diam. 1.8892-1.8898 (47.985-48.000)
Clearance .0005-0019(.012-049)
Thrust Bearing Center
Crankshaft End Play .0008-0073 (.202-.185)
Connecting Rod Bearings
Journal Diam. 1.5742-15748 (39.985-40.000)
Clearance .0008-0020 (.020-051)
Side Play .006-.010 (.15-.25)
VALVE SPRING SPECIFICATIONS

Application In. (mm)
Free Length 1.7565(44.60)
Pressure Lbs. @ In. (Kg @ mm)
Valve Closed 52 @ 1.52 (23.6 @ 38.6
Valve Open N/A
CAMSHAFT SPECIFICATIONS

Application In. (mm)
Journal Diameter 1.0610-1.0616 (26.95-26.97)
Clearance .0014-.0028 (.035-.072)
Lobe Lift 1.3998-1.4002 (35.555-35.565)