Primary Drive Clutch Assembly for Polaris Sportsman 500 / ATP 500 / Big Boss 500

Primary Drive Clutch Assembly for Polaris Sportsman 500 / ATP 500 / Big Boss 500

This primary drive clutch assembly is a direct-fit replacement component for the Polaris Sportsman 500, ATP 500, and Big Boss 500, engineered to transfer engine power to the transmission through the drive belt system.

Overview

This primary drive clutch assembly is built to restore smooth engagement and consistent power delivery on Polaris Sportsman 500, ATP 500, and Big Boss 500 machines. It serves as the drive-side clutch on the engine crankshaft, controlling belt squeeze and shifting response as RPM rises. Riders and mechanics who need a dependable primary drive clutch assembly for Polaris utility ATVs will find this unit a solid replacement choice.

Built For Performance

• Direct-fit design for the primary (drive) clutch position on listed Polaris 500 models
• Precision-machined sheave surfaces for even belt contact and reduced slip
• Calibrated spring and weight setup for predictable engagement RPM
• Durable construction suited to repeated heat cycles and heavy belt loads
• Sealed bearing and bushing layout to keep operation smooth over time

Fits These Machines

• for Polaris Sportsman 500
• for Polaris ATP 500
• for Polaris Big Boss 500

On-The-Job Use

• Trail riding and recreational ATV use
• Farm and ranch chores
• Hauling light loads around the property
• Utility work on rough terrain

Specs At A Glance

Good To Know

Q: Do I need to replace the belt at the same time? A: It is good practice to inspect the drive belt when replacing the primary clutch, since a worn belt can affect engagement and shift quality.

Q: Is clutch removal tooling required? A: Yes, a clutch puller specific to the Polaris 500 engine is normally needed to remove and install the primary clutch safely.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.