2002 coolhead 64.75mm pistons v force reeds 18cc domes 35.5mm carbs 290 mains at 4700ft fmf sst high flow water impeller +5 timming orange plastic hot rod crank stock stroke. 2000 coolhead 18cc domes ported by self 64.5 pistons stock carbs 27.5 pilot 300 mains cpi in frames +5 timing. 2005 SE bone stock minus k&n 190 main clip one up from stock.