How to Tighten the Chain on a 2002 Polaris Trail Boss

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By Nathaniel Miller
eHow Contributing Writer

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All-terrain vehicles have a variety of drives including friction, belt, and direct drive setups. However a large percentage of bikes are still chain driven. Chains and sprockets themselves require regular maintenance to keep the bikes in good running order. It is helpful to know how to tighten a chain on your 2002 Polaris Trail Boss ATV. It is a relatively easy process that any home mechanic can perform with a bit of practice.

Difficulty: Moderately Easy

Instructions

Things You'll Need:

Socket wrench set
Crescent wrench set

Step 1

Detach any chainguards or other guards from the swingarm by removing the mounting bolts with the crescent wrenches. Use the socket wrench to loosen the castle nuts on each side of the axle shaft.
Step 2

Tighten up the tensioning rods at the back of the swingarm with the crescent wrenches.
Step 3

Use the socket wrenches to tighten down 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.