Periodic Maintenance Procedures
•
Back out the same number of turns counted when first turned in. This is to set
the screw to its original position.
○
A throttle body has different "turns out" of the bypass screw for each
individual unit. On setting the bypass screw, use the "turns out" determined
during disassem- bly.
•
Repeat the same procedure for other bypass screws.
•
Repeat the synchronization.
If the vacuums are correct, check the output voltage of the
main throttle sensor (see Main Throttle Sensor Inspection in the Fuel System
(DFI) chapter).
Special Tool - Throttle Sensor Setting Adapter
- 1538
Main Throttle Sensor Output Voltage
Connections to Adapter:
Digital Meter (+) → W (sensor Y/W) lead Digital Meter (–)
→ BK (sensor G) lead
Standard
DC 1.03 "< 1.06 V at idle throttle opening
•
Remove the vacuum gauge hoses and install the vacuum
hoses.
○
Run the vacuum hoses according to Cable, Wire, and
Hose Routing section in the Appendix chapter.
•
For US, CA, ID and SEA-B2 models, install the rubber
caps on the original position.
•
Install the removed parts (see appropriate chapters).
Fuel System Inspection
Fuel Hose Inspection (fuel leak, damage, installation
○
c
ondition)
If the motorcycle is not properly handled, the high pres-
sure inside the fuel line can cause fuel to leak [A] or the hose to burst.
Remove the fuel tank (see Fuel Tank Re- moval in the Fuel System (DFI)
chapter) and check the fuel hose.
Replace the fuel hose if any fraying, cracks [B] or bulges [C] are noticed.
•
Check that the fuel hose is routed according to Cable, Wire, and Hose
Routing section in the Appendix chapter.
Replace the hose if it has been sharply bent or kinked. Hose Joints [A]
Fuel Hose [B]
NOTE
PERIODIC MAINTENANCE 2-21
57001