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3. INSPECTION/ADJUSTMENT MXU 550EXi/MXU500i
FUEL LINE Fuel tubes
Check the fuel tubes and replace any parts,
which show signs of deterioration, damage
or leakage.
Do not smoke or allow flames or sparks
in your working area.
Fuel pump
(1) (3)
THROTTLE OPERATION
Check the throttle to swing for smooth
movement.
Measure the throttle to swing free play.
Free Play (A): 35 mm
To adjust throttle free play:
1. Slide the rubber sleeve (1) back to expose
the throttle cable adjuster (2).
2. Loosen the lock nut (3), then turn the (A)
adjuster to obtain the correct free play.
(3~5 mm) (2) (4)
3. Tighten the lock nut and reinstall the
sleeve.
Other checks:
Check the throttle cable for kinks and signs
of wear that could cause stretching or
failure. Lubricate the throttle cable with a
commercially available lubricant to prevent
premature wear and corrosion.
3-4