3
（ 1 ） 、风门 ， 冷启动时使用 ； Choke Arm (The Choke Arm is used under the circumstance of
cold start-up.)
； （ 2 ） 、油门 ；
Throttle
； （ 3 ） 、怠速调节螺丝 ；
Idle Adjustment Screw
； （ 4 ） 、低
速油针 ；
Low-speed N eedle
； （ 5 ） 、高速油针 ；
High-speed Needle
；
调整 ： 顺时针转动怠速螺丝 3 将增大怠速转速 ， 同时要配合低速油针 4 一起调整 ， 顺时
针转动低速油针减少油量 （ 一般是把油针拧到底再退回 1.5 圈 ） ； 高速油针 5 ( 退回 1.5 圈 ) 最好
使用转速表来调整，使发动机达到最高转速，加减速顺畅为最佳。
�
�
�
� ADJUSTMENT:
ADJUSTMENT:
ADJUSTMENT:
ADJUSTMENT: Turn the Idle Adjustment Screw (See No.3) clockwise will increase the idle
speed. At the same time , turn the Low-speed Needle (See No.4) clockwise to reduce the gas.
Normally, the preset from factory is screw down the Needle and then turn back about 1.5
loops . High-speed Needle (See No.5) is turn back about1.5 loop s. But we suggest it should be
adjusted with the tachometer to obtain the maximum s peed. For the best performance , e ngine
should be accelerat ing and decelerat ing smoothly. `
`
`
`
� 调整两个化油器间连杆的长度 , 保证两个化油器油门能够同时关闭到最小 , 否则将会影
响前后两个发动机的工作状态 .
�
�
�
� Adjust front and rear choke arm with connecting rod, make sure arms can reach to the
maximum and minimum position at the same time, an improper adjustment will affect
engine
’
s working condition seriously.
�
�
�
�
请注意：两个点火传感器分别对应前、后两个缸的点火位置，
1
＃传感器对应前面两个
缸，
2
＃传感器对应后面两个缸，请不要接错，否则发动机无法启动。
�
�
�
� Caution:
Caution:
Caution:
Caution: Sensors
Sensors
Sensors
Sensors has
has
has
has to
to
to
to in
in
in
in the
the
the
the correct
correct
correct
correct position
position
position
position .
.
.
. Sensor
Sensor
Sensor
Sensor #1
#1
#1
#1 corresponds
corresponds
corresponds
corresponds with
with
with
with front
front
front
front cylinders,
cylinders,
cylinders,
cylinders,
Sensor
Sensor
Sensor
Sensor #2
#2
#2
#2 corresponds
corresponds
corresponds
corresponds with
with
with
with rear
rear
rear
rear cylinders,
cylinders,
cylinders,
cylinders, incorrect
incorrect
incorrect
incorrect connection
connection
connection
connection will
will
will
will result
result
result
result engine
engine
engine
engine failed
failed
failed
failed to
to
to
to start.
start.
start.
start.
� 调整化油器高速油针时请注意：混合气调整过稀将导致发动机严重过热和火花塞烧毁。
燃烧后火花塞的颜色应该是黄色 , 说明混合气浓度比较合适 .
Caution:
Caution:
Caution:
Caution: Don't
Don't
Don't
Don't be
be
be
be tempted
tempted
tempted
tempted to
to
to
to run
run
run
run an
an
an
an overly
overly
overly
overly rich
rich
rich
rich mixture.
mixture.
mixture.
mixture. A
A
A
A too
too
too
too rich
rich
rich
rich mixture
mixture
mixture
mixture will
will
will
will
only
only
only
only result
result
result
result in
in
in
in poor
poor
poor
poor engine
engine
engine
engine performance,
performance,
performance,
performance, pre-mature
pre-mature
pre-mature
pre-mature carbon
carbon
carbon
carbon buildup,
buildup,
buildup,
buildup, a
a
a
a fouled
fouled
fouled
fouled plug
plug
plug
plug
and
and
and
and excessive
excessive
excessive
excessive exhaust
exhaust
exhaust
exhaust residue.
residue.
residue.
residue. However,
However,
However,
However, a
a
a
a lean
lean
lean
lean mixture
mixture
mixture
mixture will
will
will
will also
also
also
also damage
damage
damage
damage the
the
the
the
cylinder
cylinder
cylinder
cylinder and
and
and
and piston
piston
piston
piston badly.
badly.
badly.
badly. After
After
After
After few
few
few
few flights
flights
flights
flights
4 、发动机的启动 (Start-up the engine)
（ 1 ）关闭风门，加大油门 , 打开点火电源 .
Step 1: Close the Choke and turn on the ignition, advance throttle to full position.
（ 2 ）用力转动螺旋桨，（最好用启动棒）直到发动机发出爆炸声 . 发动机会运转 1-2 秒而
自动熄火 . （首次启动或长时间不用可能需要转动多次螺旋桨）。
Step 2:, briskly flip the prop through compression until the engine fires and then dies. It
may take a few more flips if this is first time to start the engine after being stored for a
long period.
（ 3 ）打开风门，油门开至怠速或比怠速稍大一点 , 启动发动机，进入正常工作状态。
Step 3: Open the choke and briskly flip the prop through compression, advance the
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