first try moving your timing to somewhere in the 1.8mm - 2mm range. see if that cleans it up.
then: what is squish currently? and at bottom dead center is the exhaust port fully open or is the piston covering the bottom of it?
07 gasgas xc300-94 duc 900ss-86 morini camel (2)-84 IT200-83 IT175-78 guzzi lm1-77 pursang 250-76 morini 3 1/2 strada-76 frankentaco pursang 200-74 frankentaco pursang 200-74 morini 3 1/2 sport-74 mz ts250/0-74 puch 175 (3)-73 can-am 175tnt-71 guzzi frankeneldo-71 ossa Stiletto-70 frankentaco sherpa s(2)-66 morini corsarino(2)-63 morini corsaro + many more
stainlesscycle screwed with this post 07-06-2012 at 02:20 PM