Cylinder Scoring is a serious damage,which caused by improper use and will cost you a lot of money to repair the motor.
Precautions for the use of two-stroke outboards
1. The two-stroke outboard must use a mixture of No. 92 gasoline and two-stroke engine oil;
2. The volume ratio of gasoline and oil during the running-in period of the new machine is 25:1;
3. After the running-in period, the volume ratio of gasoline and oil is 50:1;
4. Special attention: gasoline and engine oil must be pre-mixed and stirred evenly, and then poured into the fuel tank;
5. The outboard motor must be started in water, do not start the engine on shore;
6. Loosen the vent screw on the fuel tank cover counterclockwise when starting;
7. When the outboard motor is started, the emergency flameout rope should be inserted, and the other end should be placed on the wrist or belt;
8. The running-in period is about 10 hours or a month, and during the running-in period, do not drive with high accelerator;
9. Replace the gear oil after the running-in period, and the second replacement time is after 100 hours or about six months;
Don't do the following will avoid cylinder Scoring:
1,start the motor in the water
2, use the motor when it stop cyling water
Even if you want test the motor, it should be done in the river!
When there is no water coming out from the motor,please stop using it immediately ,then check the impeller of Water pump or check if the water outlet has been blocked.
About certification:
We can only provide CE certification, there is no other certification can be provided,thanks for your understanding.
Several issues with this motor first the linkage that goes from the gear selector to the starting rope to block the rope to be pull when the motor is in gear was unattached , and still after fixing it every time you go into any gear it gets unattached second, the starting rope doesn't retract all the way when you attend to start the engine
Brand: HANGKAI
Displacement: 169CC
Gear ratio: 2.08(27:13)
Cylinder: 2
Max.Output(kw): 8.8
Max.speed(r/min): 4500-5500
Gear Positions: F-N-R
Packing size: 120x70.5x37.5cm
Ignition System: CDI
Cooling System: Water-cooling
Control System: Tiller control
Starting System: Manual start
Control System: #93 gasoline
N.W./G.W.(kgs): 27/31
Bore x Stroke(mm): 50x43
Recommended Propeller range: 3 -9"1/4''x8"
Recommended Lubricant: 2 Stroke Lubricating oil
Mixing ratio: Fuel:oil=50:1
Trim and tilt system: Manual Tilt
Overall LxWxH(cm): 78.3x33.2x104
Standard fuel tank capacity:24L external oil tank