Here is a PROPER linoone belly drum set:
Linoone (Lil'Guy)
Nature Adamant
EVs 252Att 252Spe 4Def
Item: Salac berry
Gluttony
Belly Drum
Shadow Claw
ExtremeSpeed
Filler for coverage
OR if you want to run pickup, replace filler for substitute. You shouldn't need the boost from silk scarf at +6...