2007 Polaris Sportsman 700/800/800 X2 EFI Service Manual, Page 289Get this manual
Sportsman X2 Transmission 14Lift the leg of the spring up and over the rear pinThe tensioner cam will lift the shoe and tension chainTensioner AssemblyTop View 15Apply continuous bead of Crankcase Sealant (3-Bond) (PN 2871557) to the LH gearcase mating surface and install the coverInstall and tighten the 22 screws in criss cross pattern to evenly secure the coverTorque the screws to specificationNOTE: Case-halve mating may be difficult due to tensioner
pressure on the drive chain during installationRelease tension at the ratcheting cam to aid case half installationRelease the tensioner spring after the case halves are mated but not yet touching