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 CareFuel Pump Removal
WARNINGGasoline is extremely flammable and can be
explosive
under certain conditions, creating the
potential for serious burns. Make sure the area is
well-ventilated and free from any source of flame
or sparks; this includes any appliance with a pilot
light. Do not smoke. T ...
Charging Voltage Inspection
Check the battery condition (see Charging Condition Inspection).
Warm up the engine to obtain actual alternator operating
conditions.
Remove the front seat (see Front Seat Removal in the
Frame chapter).
Check that the ignition switch is turned off, and connect
the hand tester [A] to t ...
Charging Condition Inspection
Battery charging condition can be checked by measuring
battery terminal voltage with a digital voltmeter [A].
Remove the seat (see Seat Removal in the Frame chapter).
Disconnect the battery terminals.
NOTICE
Be sure to disconnect the negative (–) cable first.
Measure the battery ...