2010 Polaris Sportsman 850 Service Manual, Page 303Get this manual

2010 Polaris Sportsman 850 Service Manual, Page 303

BRAKES BRAKE SYSTEM SERVICE NOTES Disc brake systems are light weight, low maintenance, and perform well in the conditions
brake components with aerosol or petroleum productsUse only approved brake cleaning products DO NOT allow brake cleaning
products to contact painted surfacesPaint damage will occur as result BRAKE NOISE TROUBLESHOOTING Dirt or dust buildup on
the brake pads and disc is the most common cause of brake noise (squeal caused by vibration)If cleaning does not reduce the
occurrence of brake noise, PermatexTM Disc Brake Quiet can be applied to the back of the padsFollow directions on the packageThis
will keep pads in contact with caliper piston(s) to reduce the chance of squeaks caused by dirt or dustBrake Noise Troubleshooting
Possible Cause Dirt, dust, or imbedded material on pads or disc Pad(s) dragging on disc (noise or premature pad wear) because
of improper adjustment Master cylinder reservoir overfilled Master cylinder compensating port restricted Master cylinder