NOTE
1. The engine speed is more than 6 000 r/min (rpm).
2. The throttle opening is more than 12В°.
Fuel Pump Lead Connector [A] Extension Tube [B]
Special Tool - Extension Tube: 57001-1578

Primary Fuel Injector [B] Secondary Fuel Injector [C]
A sound scope can also be used.
The click interval becomes shorter as the engine speed rises.

If all the fuel injectors click at a regular intervals, the fuel injectors are normal.
If any fuel injector does not click, check the fuel injector resistance (see Fuel Injector Resistance Inspection).

Fuel InjectorsEvaporative Emission Control System (California
model only)
This system routes fuel vapors from
the fuel system into the running engine
or stores the vapors in a canister when
the engine is stopped. Although no adjustments
are required, a thorough visual
inspection must be made at the intervals
specified by the Periodic Maintenance
Chart.
Inspection
...
Thermostat Removal
Remove:
Fuel Tank (see Fuel Tank Removal in the Fuel System
(DFI) chapter)
Air Cleaner Housing (see Air Cleaner Housing Removal
in the Fuel System (DFI) chapter)
Throttle Body Assy (see Throttle Body Assy Removal in
the Fuel System (DFI) chapter)
Throttle Body Assy Holder Clamp [A]
...
Steering Damper Oil Leak Inspection
Visually inspect the steering damper [A] for oil leakage.
If the oil leakage is found on it, replace the steering
damper with a new one (see Steering Damper Removal/
Installation in the Steering chapter).
ZX1000JD/KD [B]
...