88Hp will not start/run unless..

[fireman57]

Do a search for it. Basically you make sure that your roller cam from your carbs is set between the marks on the plate that moves your timing advance. You will see it when you look at the side of the engine that your carb linkages are on. If all of the butterflys don't open and close the same distance at the same time you will get the mis fire because of unequal fuel and air mixtures. Is it a constant steady misfire or a random one.