Maybe I can help you.
1. The disassembly of the faucet needs to loosen the nut first, withdraw for about 6 turns, and then knock with a hammer, because there is an expansion device at the end of the faucet;
2. Electronic ignition vehicles need to replace the crankcase and ignition coil, so according to the current situation, there may not be enough accessories to do it;
3. It is difficult to start. It may be that your belt is worn too much, or the starting friction block in your rear clutch is worn too much. Please check or upload photos.