08-11-13, 10:43 AM
This still sounds like fuel over or under supply or air starvation to me.
Are the plugs sooting up? Check the fuel levels in the carbs by opening the drain with a length of transparent tube attached in a "U".
Have you checked the air intake is clear?
Are the plugs sooting up? Check the fuel levels in the carbs by opening the drain with a length of transparent tube attached in a "U".
Have you checked the air intake is clear?