96 SPX Electrical Issue

[Stevie96xp]

I just installed a new (refurbished) rotary valve cover from SBT, I checked the clearance before I installed it and looked really good - maybe I installed it wrong or the gasket is out of place so I'm getting an air leak. I'll probably have to pull the carb again tomorrow and check. its like it wants to fire, but its only firing part of the time.

Ok check your plugs too see if there wet could be fouled