Occasionally cuts out when changing down gears at low speeds and low revs and wont restart unless i push start it.

Only happens the odd time but its a complete pain in the bollocks cos it wont restart off the electric starter.

The bike is standard apart from an Akra slip on and I was told that it got the correct map after the exhaust was fitted but i cant be sure.

Does anyone know whats causing the problem? :think: