- 36 -
Carburetor
A stable carburetor is the
basis of guaranteeing the engine
performance. Before leaving the
factory,
carburetor
has
been
adjusted to the best condition. Any
unnecessary adjustment shall be
avoided. Please note that, there
are two adjustment items for
carburetor, i.e., accelerator wire
clearance and idle speed. Carry
out adjustment after the first 1000
km and every 3000 km thereafter,
as follows.
Adjustment of carburetor idle
speed RPM
1
、
Start the engine and allow it to
fully warmed-up without load.
2
、
Close the accelerator. Rotate
the idle adjusting screw to
keep the engine running at
1400±100 rpm.
Precaution
：
Idle speed adjustment shall
be carried out while the engine is
fully warmed up.
Adjustment of accelerator wire
①
Locking nut
②
Adjuster
1
、
Loosen the locking nut.
2
、
Rotate the adjuster to make
the wire clearance between 0.5
- 1.0 mm.
3
、
After clearance adjustment,
tighten the locking nut once
again.
Precaution
：
After
accelerator
wire
adjustment, check the operation of
accelerator grip. Engine idle speed
shall not increase due to the
adjustment, and the grip shall
return to the closed position
automatically.
Adjustment of valve clearance
The valve clearance shall be
checked and adjusted under the
cooling condition of engines.
1. Remove the fan guard and
cylinder head cover.
2. Turn the magnetor rotor
anticlockwise to align the marker
T of the rotor with the vertical line
projected on the right case cover.
