Accord EX Coupe L4-2254cc 2.3L SOHC (VTEC) MFI (1998)
1. Measure the diameter of the shaft at the first rocker location.
2. Zero the gauge (A) to the shaft diameter.
3. Measure the inside diameter of the rocker arm, and check it for an out-of-round condition.
Rocker Arm-to-Shaft Clearance:
Standard (New):
Intake: 0.026 - 0.067 mm (0.0010 - 0.0026 inch)
Exhaust: 0.018 - 0.054 mm (0.0007 - 0.0021 inch)
Service Limit: 0.08 mm (0.003 inch)
4. Repeat for all rockers and both shafts. If the clearance is over the limit, replace the rocker shaft and all overtolerance rocker arms. If any VTEC
intake rocker arm needs replacement, replace all three rocker arms in that set (primary, mid, and secondary).