Re: Mcculloch 4hp no start Home › Forum › Ask A Member › Mcculloch 4hp no start › Re: Mcculloch 4hp no start john8504Replies: 169Topics: 31 May 2, 2018 at 3:27 am #75187 I did notice a small break in outer insulation at the boot. However, I can see that the inner wires are shielded inside the sparkplug wire.