What ya wanna DO , Is - Take the points cover off , and turn off the lights . In the Shed .
If it resembles a catherine wheel , its leaking .
A HOT WIRE , Battery to coils , to bypass gungy olde switches , will tell you if the gungey olde switches are gungey .
CARBS + inspect , if the SLIDE ratlles back & forward , ands scoured , Think about a Weber or other setup . Maybe .
Ya wanna getta flashlight & insect in the fuel tank . Drain , Clean Filters etc . Flow Test outta da TAPS . G per Hr .
It might not have Viton Tipped carb float NEEDLES .
Get to knowit before you stuff with it . Check the carbs arnt loose - a metre of 4 mm bore neoprene tube , in yer ear .
MOSTLY its fettling , Fine Adj. off mechanisms . If its a Boyer a naff battery they says ruins your day . Gotta Be FULL CHARGE .