Rio L4-16L (2004) Cylinder Head Assembly Valve Specifications
Valve: Testing and Inspection
INSPECTION
VALVE MECHANISM
1. Inspect each valve for following:
a. Damaged or bent valve stem
b. Rough or damaged face
c. Damaged or unevenly worn stem tip
2. Resurface or replace valve as needed.
3. Measure length of each valve.
4. Measure diameter of each valve stem.
Diameter
Intake: 0.2152 - 0.2157 inch (5.465 - 5.480 mm)
Exhaust: 0.2138 - 0.2146 inch (5.430 - 5.450 mm)
