Sounds like some loose valves in there or possibly cam chain. I'd be checking clearance's first then looking at the chain or possibly the backlash gears if noise is still present. Mine certainly doesn't sound like that.
05 Speedmaster,Reverse Cone Shortys,Thunderbike AIR Kit,K&N Air Filter,Snorkel Removed,Dynojet Stage 1 Kit(126 main),Needle-Clip 1 From Bottom,42 Pilot,NGK Iridium Plugs,Progressive Springs,Hagon 2810's,Barnett Green Springs,TTP Safe-Start,MOSFET R/R
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