My NGH 25cc would not start for three days of trying. In desperation, I turned the engine over with an electric drill, powering the prop. nut with a socket spanner. This brought lots of fuel to the carb. and it started after 10 minutes of spluttering. If you try this, oil the engine and make sure the ignition is off. I hope this helps. P.S. This is one heroic engine for the money.
Hello. I have some very big problems start as the same engine. Do you have any suggestions for me? I read that the opening of the minimum and maximum are about one and a half. Percentage of mixture, company and type of oil,hall probe position, everything would be much appreciated. Thank you.