supercharged

So here is the issue I can not get resolved , my sled is a 2009 Yamaha nytro xtx with a mpi supercharger 180 kit , full exhaust gems controller , the sled was running great and last week I was out on the lake and it was running great then after a long pull across the lake it started to sputter...

Hey everyone, I picked up a 2006 Yamaha Apex Mountain. It has a MPI Stage 2 supercharger, stacked head gasket, 25/25 pulley (1:1 ratio), GEMS fuel controller, MPI BOV, custom exhaust, MSD high flow electric fuel pump, factory motor. It's running about 13 lbs of boost at 900 ft elevation. Issues...