I have a 2012 trx 90 that I can’t get to do anything at all! I replaced the starter relay solenoid the neutral switch and the ignition switch still nothing at all not even the green neutral light! The fuse is good and the battery when tested says it has 5.3 volts! Please help don’t want to just...

My son's 2012 Honda TRX90 ATV will not start. It does not have a pull start. I have checked the switches and they are not turned off. There is gas and a new battery. When it is placed in neutral, there is no green light indicating it's in neutral, whoever I know it is. Any suggestions as to...