（ 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 Needle；（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1.25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: 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 1.25 loops. High-speed Needle (See No.5) is turn back
about1.5 loops. But we suggest it should be adjusted with the tachometer to obtain
the maximum speed. For the best performance, engine should be accelerating and
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: A lean gas mixing causes engine overheat and spark plug will burned.
So please pay attention when you adjust the High speed needle. With a proper
gas maxing, spark plus will appear to be yellow at the ignition point.
3、发动机的启动 (Start-up the engine)
Step 1: Close the Choke and turn on the ignition power supply with full throttle.
(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:, Spinning the propeller hardly with a Start-up Stick or hand until explosive
sound is heard. Engine will stop automatically as a result of a rich mixing gas. ( The
engine will need propeller spinning few times for the first start-up or Has not been used
(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 to idle or little higher and start up the engine again
（4）热车启动：打开风门，油门开至怠速或比怠速稍大一点，直接启动发动机。
Step 4: Start the engine directly if engine remines warm. Referrring Steps 3.
四、发动机的保养 (MAINTENANCE OF THE ENGINE)
1、请使用清洁的93＃汽油，和机油的比例为30：1；禁止不同厂家、牌号的润滑油
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