Hangkai 3. 5hp test

Hangkai 3. 5hp on my Cheyenne V 300. Fun but no fish. The sea is nice and warm at this time of a year and the fish don t like high temperature water so they stay deep on bottom away from the shores. First time i runned it with fuel, oil mix 25:1 just as sugested in the manual. Engine was choking from time to time, and it swallowed entire fuel tank within one hour. Next day i got email from the manufacturer sugesting me to use 30:1 oil, fuel mix. . This video is where i use 30:1 mix, the engine runned for over 3