The subthrottle sensor is a rotating variable resistor that change output voltage according to throttle operating. The ECU senses this voltage change and determines fuel injection quantity, and ignition timing according to engine rpm, and throttle opening.
Input Terminal [A]: BL Output Terminal [B]: BL/W Ground Terminal [C]: BR/BK

Vehicle-down Sensor Output Voltage Inspection
Subthrottle Sensor Removal/AdjustmentFuse Box Fuse Removal
Remove the left upper inner fairing (see Upper Inner Fairing
Removal in the Frame chapter).
Unlock the hook [A] to take off the fuse box 1 [B].
Unlock the hook [C] to lift up the lid.
Pull the fuses [A] straight out of the fuse box 1 with needle
nose pliers.
Fuse Box 2
...
Drive Chain Lubrication Condition Inspection
If a special lubricant is not available, a heavy oil such as
SAE 90 is preferred to a lighter oil because it will stay on
the chain longer and provide better lubrication.
If the chain appears especially dirty, clean it before lubrication.
NOTICE
The O-rings between the side plates seal ...
Oil Pressure Switch Installation
Using a high flash-point solvent, clean off any oil or dirt
that may be on the silicone sealant coating area. Dry
them with a clean cloth.
Apply silicone sealant to the threads of the oil pressure
switch, and tighten it.
Sealant - Liquid Gasket, TB1211: 56019-120
Torque - Oil Pressure ...