5-105
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FUEL SYSTEM
THROTTLE BODY INSPECTION
INSPECTION
Remove the following:
– Engine cover
– Silencer case (page 5-67)
Check that the throttle valve turns smoothly when the
throttle cam is turned.
Check that there is no looseness on the throttle valve
shaft when turning the throttle lever.
Make sure there is no clearance between the throttle
stop screw [1] and the throttle valve lever stopper [2].
• Do not adjust the throttle stop screw as it is factory
preset.
CLEANING
Remove the throttle body (page 5-69).
Check the throttle valve and bore for dirt or stains.
If the throttle body is dirty, clean the throttle body.
• Wipe away any carbon or other dirt or stain with soft
dry shop towels sprayed with carburetor cleaner,
and clean the throttle valve and bore.
• The inside of the throttle body is coated with
molybdenum. Do not wipe the molybdenum coated
area [1] of the throttle valve.
Install the following:
• Throttle body (page 5-71)
• Silencer case (page 5-68)
After installing the throttle body, reset the ECM
(page 5-5).
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