Open throttle but do not uncover transfer slots, if it will not idle, drill throttle plates .100 hole. to bypass some air.
Use brown accelerator cam make sure there is a little pressure on the diaphram, .035 squirter. May need a 50cc pump.
Drive at full boost read A/F, need (11.0 to 1) change jets only do not drill anything. When you reach this goal figure the total area of jets and pvrc. INSTALL a 2.5 power valve. Jet down and drill pvrc to keep area the same, a little at a time until driveability is good and A/F is (12.5 to 1) if it tries to bog change to smaller squirter or backfire change to bigger squirter.
