Suzuki TU250X Service Manual page 206

• Remove the IAP sensor 4.
• Remove the TP sensor 5 and STP sensor 6 with the special
tool.
NOTE:
Prior to disassembly, mark the each sensor's original position
with a paint or scribe for accurate reinstallation.
 09930-11950: Torx wrench (5 mm)

Never remove the STVA 7 from the throttle body.

Never remove the secondary throttle valve 8.
FUEL SYSTEM AND THROTTLE BODY 5-13