HUNTN1 wrote:hi ,i was warming my bike up tonight when my neighbour came out and said it was interfearing with his tv i have many other 2stroke bikes and never had this problem before.any ideas why the mc 18 is doing this

An old RD350LC I had was doing this to a neighbours tv.
Cured it by replacing the plug caps. The resistor in them acts as a suppressor. Stops "noise", or interference on radios and tv`s.