Air Cleaner; Autolube Pump - Yamaha QT 50F Service Manual

b. Throttle
cable 2
directioh
cable 1
After engine idle speed and throttle
are set check play in tuning
of throttle grip. The play
should tie 2 ~ 3 mm (0.08 ~ 0.12 in)
at grip flange. Loosen the lock nut and
turn the wire adjuster to make the
necessary adjustment. After adjusting,
be sure io tighten the lock nut properly.
1. Adjuster
B. Air Clean
1. Remove
element
sr
the air cleaner case cap and
assembly.
2.
3.
4.
Wash the element gently, but thorough-
ly, in solvent.
Squeeze excess solvent out of element
and dry.
Pour a small quantity of 20W. motor oil
onto cleelner element and work thor-
oughly into the porous foam material.
Element ihust be damp with oil but not
dripping.
5. Re-install the element assembly, case
cover and seat.
NOTE:
Each time cleaner element maintenance is
performed, check the air inlet to the cleaner
case of obstructions. Check the air cleaner
joint rubber to the carburetor and manifold
fittings for an air-tight seal. Tighten all fit-
tings throughly to avoid the possibility of un-
filtered air entering the engine.
r - C A U T I O N :
Never operate the engine with the air
cleaner element removed.
This will allow unfiltered air to enter,
causing rapid wear and possible engine
damage. Additionally, operation with-
out the cleaner element will affect car-
buretor jetting with subsequent poor
performance and possible engine over-
heating.
C. Autolube Pump
1. Air bleeding
To bleed the oil pump, first remove the
bleed screw. Start engine and run at
idling speed. Then pull the oil pump
wire as much as possible, and continue
to run the engine until all air bubbles
disappear from the oil flowing out from
the bleeder hole.
Reinstall bleed screw.
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