3-108 FUEL SYSTEM (DFI)
Throttle Body Assy
Apply a thin coat of grease to the throttle cable upper
Install the upper ends of the throttle cables in the grip.
Fit the projection [A] of the right handlebar switch housing
into the hole [B] of the handlebar.
Right Handlebar Switch Housing [A]
Tighten the cap screws [C] temporarily.
Tighten the right handlebar switch housing screw [D] se-
Tighten the cap screws securely.
Turn the throttle grip and make sure that the throttle pulley
moves smoothly and return by spring force.
Run the leads and hoses correctly (see Cable, Wire, and
Hose Routing section in the Appendix chapter).
Before assembly, visually inspect the mating surfaces [A]
for any damage, like dent, nick, rust, flaw, and crack.
Nick or rust damage can sometimes be repaired by using
emery paper (first No. 200, then 400) to remove sharp
edges or raised areas.
If the damage is not repairable, replace the throttle body
and/or the inlet manifold to prevent leakage.
With a high-flash point solvent, clean off the mating sur-
faces and wipe dry.
Be sure to install the dowel pins [B].
Apply grease to the new O-rings [C] and fit them into the
groove. Be careful not to pinch the gasket between the
Throttle Body Assy [A]
Throttle Body Assy Bolt [B], 75 mm (3.0 in.)
Throttle Body Assy Bolts [C], 60 mm (2.4 in.)
Torque - Throttle Body Assy Bolts: 9.8 N·m (1.0 kgf·m, 87
Cruise Control Cancel Switch (Throttle) Lead Connector
Install the removed parts (see appropriate chapters).
When the throttle body was replaced with a new one, do
not remove the battery, fuse or ECU for 6 seconds for
the learning control of the ECU after the ignition switch
is turned off.
The ECU does the learning control that is to memorize
the full closing position and full opening position of the
throttle valve for 6 seconds after the ignition switch is