Repair the valve seat with the valve seat cutters [A].
Special Tools - Valve Seat Cutter Holder Bar [B]: 57001 -1128
Valve Seat Cutter Holder, 4.5 [C]: 57001 -1330

[For Exhaust Valve Seat]
Valve Seat Cutter, 45° -
27.5:
57001-1114
Valve Seat Cutter, 32° -
28:
57001-1119
Valve Seat Cutter, 60° -
25:
57001-1328
[For Intake Valve Seat]
Valve Seat Cutter, 45° -
32:
57001-1115
Valve Seat Cutter, 32° -
33:
57001-1199
Valve Seat Cutter, 60° -
33:
57001-1334
If the manufacturer’s instructions are not available, use the following procedure.
Valve Seat Inspection
Seat Cutter Operation CareRebound Damping Force Adjustment
To adjust the rebound damping force, turn the rebound
damping adjuster [A] to the desired position.
The standard adjuster setting is the 1 3/4 turns out from
the fully clockwise position.
Rebound Damping Force Adjustment
...
Fuel Injector Output Voltage Inspection
NOTE
Be sure the battery is fully charged.
Turn the ignition switch to OFF.
Remove the ECU (see ECU Removal).
Do not disconnect the ECU connector
Connect a digital meter [A] to the connector (gray) [B] with
the needle adapter set.
Special Tool - Needle Adapter Set: 57001-1457
...
Connecting Rod Twist Inspection
With the big-end arbor [A] still on V block [C], hold the
connecting rod horizontally and measure the amount that
the arbor [B] varies from being paralleled with the surface
plate over a 100 mm (3.94 in.) length of the arbor to determine
the amount of connecting rod twist.
If the conne ...