Description

Polaris Sportsman and Scrambler 850 Cylinder Boring Service

This REV6 cylinder boring service is built for Polaris Sportsman 850 and Scrambler 850 cylinders that need accurate machine work and a proper finish before going back together. REV6 bores each cylinder to the correct specifications and matches your piston to your cylinder, so the job is based on measurements, not guesswork.

That matters when you want better fit, better oil control, and longer service life. REV6 also backs all machine work with a 1-year warranty and includes free shipping to and from your location.

What This Service Includes

• Cylinders bored and matched to the correct specifications
• Pistons matched to your cylinder
• No guessing on bore size
• Crosshatch finish optimized for better oil coverage
• Chamfered ports
• 1-year warranty on all machine work
• Longer life expectancy
• Free shipping to and from your location

Turnaround Time

Fast turnaround matters when your machine is down. REV6 will have your cylinder shipping back within 5-7 business days. Once your cylinder arrives at the shop, it is typically sent back out within 3-5 business days.

How the Process Works

The process is straightforward. Purchase this service, then watch for an email with your prepaid shipping label and boxing instructions. After that, box your cylinder, drop it off at FedEx, and REV6 takes it from there.

Technical Support & Parts Guidance

If you also need rebuild parts for the same job, REV6 offers pistons, gaskets, seals, bearings, crankshafts, rods, and more. For service questions, shipping details, or fitment help, visit the Help Center or contact our team.

If you are comparing this machine service with other rebuild paths, our engine rebuild kit guide is another good place to start.

Warranty & Support

REV6 backs this cylinder boring service with a 1-year warranty on machine work. For full coverage details, read our warranty policy. You can also check the FAQ for more common questions.

Fitment

This service is for Polaris Sportsman 850 and Scrambler 850 cylinders.

Take Action

When your 850 cylinder needs to be bored the right way, send it to a shop that measures, matches, and machines it correctly. Start your REV6 cylinder boring service today and take advantage of free shipping both ways.