Engine
Stp sensor adjustment
In this manual: Engine
7steps
~42min
2/5difficulty
Done 0 of 7
Adjust the stp sensor in the following procedures:
- remove the air cleaner box cover. Refer to “air cleaner element removal and installation” in section 1d .
- Disconnect the stva lead wire coupler (1).

- Insert the needle pointed probes to the stp sensor coupler (between y/w and b/br wires).
- Turn the ignition switch on.
- Close the secondary throttle valve by finger and measure the stp sensor output voltage.
(a): 09900–25008 (multi circuit tester set)
(b): 09900–25009 (needle-point probe set) Tester knob indication voltage (
) Stp sensor output voltage st valve is fully closed: approx. 0.7 V ((+): y/w – (–): b/br)


- Move the throttle body upward by loosing the throttle body mounting screws.
- Loosen the stp sensor mounting screw using the special tool and adjust the stp sensor until the output voltage comes within the specified value.
: 09930–11950 (torx wrench (5 mm)) - Tighten the stp sensor mounting screw to the specified torque.

- Reinstall the removed parts.
Test yourself
A quick Suzuki GSX-R 1000 quiz: every answer comes with an explanation and a link to the manual page.
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