I'm still betting one-way. Pull the idler gear cover and gear, then try turning the 52T gear in both directions... it should be locked to crankshaft/engine in one direction and freewheel in the other. Bet it doesn't freewheel in either.
'01 660 Raptor, Burgard +2+1 arms, YFZ Shocks, LSR anti-vibe, CTR pipe, jetted, K&N
'01 Polaris Scrambler 400, K&N
'02 Honda 400ex, Big Gun pipe, jetted, K&N, Lonestar +2 A-arms, Lonestar anti-vibe
'04 Suzuki LTZ400
'16 RZR XP4 1000 Turbo