How to Tighten the Chain on a Polaris Trail Blazer
- 1). Detach any chainguards or other guards from the swing arm by removing the mounting bolts with the screwdrivers. Use the socket wrench to loosen the castle nuts on each side of the axle shaft.
- 2). Tighten up the tensioning rods at the back of the swing arm with the allen wrenches.
- 3). Retighten the castle nuts on each side of the axle. Reattach any chainguards and take the bike for a spin to make sure it is functioning properly.
Source...