Description

Polaris Ranger 1000 NorthStar Engine Rebuild Service (2017–2018 Models)

The Polaris Ranger 1000 NorthStar is built for year-round use. However, as hours add up, internal wear starts to affect performance, consistency, and reliability. Instead of chasing small issues, a full rebuild brings everything back into proper working order.

At REV6, we tear down every engine completely, inspect each component, and correct wear where needed. Then we rebuild it using proper tolerances and refreshed internals. As a result, you get smooth operation and dependable power you can count on.

What Gets Rebuilt

This process focuses on restoring sealing, correcting clearances, and improving long-term durability.

• Complete teardown and inspection of all internal components
• Cylinder head cleaned, decked, rebuilt, and shimmed to specification
• Exhaust valve guides upgraded with manganese bronze material
• Intake valve guides are inspected and replaced when needed
• Valves and seats are recut and vacuum tested for proper sealing
• Camshaft components cleaned, polished, and inspected
• Crankshaft inspected and verified within OEM tolerances
• New high-babbitt main and rod bearings installed
• Cylinders inspected and repaired or replaced as needed
• Moly-coated pistons and rings installed
• Timing chain and oil chain inspected and replaced when needed
• Refurbished oil pump assembly
• Engine cases inspected and machined for wear or damage
• All gaskets and seals replaced
• Final assembly torqued to factory specifications

Built for Reliable Operation

Once we correct the clearances and restore proper sealing, the engine runs smoother and holds steady power. Because of that, your machine stays consistent whether you’re working or riding.

Inspection Process

One technician assembles your engine, and then another checks every detail before it ships. This extra step helps catch anything that doesn’t meet our standards.

Warranty Coverage

Every engine includes a 1-year warranty. In addition, you can upgrade to a 2-year no-fault plan for extra protection.

Review full details on our warranty policy.

Core Options

You can send in your engine core or choose the refundable $1500 core option. Once your core passes inspection, we return the deposit in full.

If you need your rebuilt engine first, ask about our exchange options. We’ll help you set it up.

Looking for Parts Instead?

If you’re not replacing the full engine, you can find transmissions, crankshafts, gaskets, seals, and rebuild kits here:

• 2017 Ranger 1000 NorthStar parts
• 2018 Ranger 1000 NorthStar parts

If you’re unsure what you need, contact our team. We’ll point you in the right direction.

Before First Startup

Proper break-in helps everything seat correctly and last longer. Skip this step, and you risk cutting the life of your rebuild short.

Follow the engine break-in procedure or visit the FAQ page for guidance.

Helpful Resources

• Help Center – shipping and core process details
• REV6 Blog – maintenance and engine tips
• YouTube channel – rebuild walk-throughs
• Engine Rebuild Kit Guide – compare options

Turnaround Time

Most engines ship within 5–10 business days after we receive your core.

Take Action

If your Ranger 1000 NorthStar isn’t running like it should, now is the time to fix it. Get it rebuilt right and keep your machine ready for work, no matter the conditions.