2010 Polaris Sportsman 850 Service Manual, Page 163Get this manual
TRANSMISSION Transmission Disassembly
12Remove the drive belt, drive clutch and driven clutch (see Chapter "PVT SYSTEM SERVICEDisassembly")Remove the (10) screws that secure the inner PVT cover to the transmission case and remove the cover67Place the transmission in neutral by moving the bellcrankLay the transmission down with the cover facing up and remove the bolts retaining the transmission cover
83Remove (2) retaining bolts from the transmission cover (see Step 7)These are thread forming bolts that can be used to hold the coupler during removal and installationThread the (2) bolts into the transmission case pin holes to hold the couplerCoupler