If switchboxes are not OEM, Serria, CDI or Prufrex they can be bad and act good due to bias circuit. I have had 4 customers return the Amazon Chinesem junk this month and I replaced with Serria (warranty)
Crankcase dried out......pump up bulb till hard, move red level and squeeze bulb 1 time, return level to original postion, start engine and use key by pushing in to keep running till warmed up
Can you get a spark to jump a gap from the coil only? If not you got problem with CD output. The OMC start upgrade was to run a wire from the white wire (key switch) from solenoid to 12v ignition wire from key on CD unit. The diode is placed inline on the jumper wire to prevent feed back to...