Periodic Maintenance Procedures
Fuel System (DFI)
Fuel Hose and Connection Inspection
The fuel hoses are designed to be used throughout the
motorcycle's life without any maintenance, however, if the
motorcycle is not properly handled, the high pressure in-
side the fuel line can cause fuel to leak [A] or the hose to
burst. Remove the fuel tank (see Fuel System chapter)
and check the fuel hose.
Replace the fuel hose if any fraying, cracks [B] or bulges
[C] are noticed.
Check that the hoses are securely connected and clamps
are tightened correctly.
When installing, route the hoses according to Cable,
Wire, and Hose Routing section in the Appendix chapter.
When installing the fuel hoses, avoid sharp bending, kink-
ing, flattening or twisting, and route the fuel hoses with a
minimum of bending so that the fuel flow will not be ob-
Replace the hose if it has been sharply bent or kinked.
Throttle Control System Inspection
Check the throttle grip free play [A].
If the free play is incorrect, adjust the throttle cable (see
Throttle Grip Free Play
Check that the throttle grip moves smoothly from close to
full open, and the throttle closes quickly and completely
in all steering positions by the return spring.
If the throttle grip doesn't return properly, check the throt-
tle cable routing, grip free play, and cable damage. Then
lubricate the throttle cable.
Run the engine at the idle speed, and turn the handlebar
all the way to the right and left to ensure that the idle speed
If the idle speed increases, check the throttle grip free play
and the cable routing.
If necessary, adjust the throttle cable as follows:
Loosen the locknuts [A] and screw the adjusters [B] all the
way in so as to give the throttle grip plenty of play (rear
Turn out the adjuster of the decelerator cable [C] until
there is no play.
Tighten the locknut against the adjuster.
Turn the adjuster of the accelerator cable [D] until the
proper amount of throttle grip free play is obtained and
tighten the locknut against the adjuster.
3 mm (0.08
PERIODIC MAINTENANCE 2-13