Metro L3-061 1.0L VIN 6 TBI (1998)
Valve: Specifications
Valve Guide Inside Diameter ................................................................................................................................ 5.500-5.512 mm (0.2165-0.2170 inch)
Valve Head Thickness Intake Valves
Standard ....................................................................................................................................................................................... 1.0 mm (0.039 inch)
Minimum Limit .............................................................................................................................................................................. 0.6 mm (0.02 inch)
Valve Head Thickness Exhaust Valves
Standard ....................................................................................................................................................................................... 1.2 mm (0.047 inch)
Minimum Limit ............................................................................................................................................................................ 0.7 mm (0.027 inch)
Valve Seat Contact Width Int and Exh ............................................................................................................................. 1.30-1.50 mm (0.0512-0.0590)
Valve Stem Outside Diameter
Intake Valves ................................................................................................................................................... 5.457-5.480 mm (0.2148-0.2157 inch)
Exhaust Valves ................................................................................................................................................ 5.440-5.455 mm (0.2142-0.2148 inch)
Valve Stem Radial Runout (minimum) Int and Exh ........................................................................................................................ 0.08 mm (0.003 inch)
Valve Stem-to-Valve Guide Clearance
Intake Valves (Standard) ................................................................................................................................. 0.020-0.055 mm (0.0008-0.0022 inch)
Intake Valves (Maximum Limit) ............................................................................................................................................ 0.070 mm (0.0027 inch)
Valve Stem-to-Guide Clearance
Exhaust Valves (Standard) .............................................................................................................................. 0.045-0.072 mm (0.0018-0.0028 inch)
Exhaust Valves (Maximum Limit) ......................................................................................................................................... 0.090 mm (0.0035 inch)
Valve Spring Free Length
Standard ................................................................................................................................................................................. 42.29 mm (1.6649 inch)
Limit (minimum) .................................................................................................................................................................... 41.00 mm (1.6142 inch)
Valve Spring Preload
Standard ................................................................................................................................... 20.9-23.5 kg at 32.6 mm (46.1-51.8 lbs. at 1.28 inch)
Valve Spring Squareness Deviation (Maximum) ............................................................................................................................... 2.0 mm (0.079 inch)