K-- Boys- Here's the deal ! Runs perfect without the Air cleaner Rear Housing and Filter. Put the Filter and Rear Housing on and it Misses Mid range on up ! Too Rich -Right ? Plug looks black ! Next- New Plug- Exchanged Carb off my other Z that runs perfect ! Exact same Mid to full throttle seems like the choke is on !- Plug Black Next- Hoist up on the Bench- Checked the Points gap-- Perfect .014, Next- Checked Valve Gap- Perfect .003 Any Ideas ?? Before I set this on Fire ?