the spark should be blue, so check that the flywheel is correctly positioned, if it is slightly loose remove it and the woodruff key and smear some fine grinding paste around the shaft and smooth the surface with the flywheel in position(the same as you would grindig valves)refit tight. also make sure the cutting blade is positioned correctly.
cg
August 2009
howtomendit.com for free repair help, information and advice.
