FUEL AND LUBRICATION SYSTEM
4-6
REMOUNTING
Remount the carburetor by reversing the sequence of removal
steps, and following adjustments and inspection are
necessary after remounting the carburetor.
THROTTLE CABLE PLAY
Adjust the throttle cable play to be 0.5-1.0 mm.
Adjust the throttle cable play as follows
Slide the boot, loosen the lock nut of the throttle pulling
cable, turn the adjuster clockwise or counterclockwise
until the throttle cable play (at the throttle grip) is between
0 5-1 0 mm.
Tighten the lock nut after adjusting the play,
Recheck that handlebar movement does not raise the
engine idle speed and that the throttle grip returns smoothly
and automatically.
.
..
Turn in the idle air screw until it lightly seats then back
it out the pre-set turns.
,
Start the engine, preheat it under idle running condition.
Adjust the idle speed by means of the pilot screw.
IDLING ADJUSTMENT
A
A
Throttle cable play: 0.5~1.0 mm
If engine running is needed in work, be sure to keep the
work area well ventilated. Do not run engine in an
closed space. In engine exhaust gas, there is carbon
monoxide that leads to loss of consciousness or leads
to death.
Engine running is allowable only at a well ventilated
place or in an enclosure with exhaust gas discharge
system.
Engine idle speed: 1 500 100 r/min±
Pre set: 2, 5/8 turns back-
Slowly and repeatedly adjust the idle air screw to obtain
maximum engine speed.
Adjust idle speed to specified value by means of pilot screw.
In case of unstable engine running, repeat till the engine
running is easy and stable.
1
2
1
1
Idle air screw is factory-installed and set. Adjustment
is not necessary unless carburetor needs to be
disassembled for inspection or screws need to be
replaced. For accurate adjustment, a ten-minute
engine preheating is necessary.
2
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