melted

*after a dealer overhaul from a stolen/abused/recovery situation, which led to the 2150 purchase. Lately I had stud issues with my 2150, and got that temporarily fixed (it unfixed itself), and the MOMENT it started sucking air (apparently) and I couldn't get it to tune properly--I yanked it...

I am trying to diagnose why the intake boot on my 90% Farmertec MS200T melted. My Initial though was that the AM boot is not to spec, but now I am wondering if the tight fit between the piston and cylinder is causing excessive heat. As I was disassembling the cylinder to delete the base gasket...