CYLINDER WORKS 61001-K01 Po Kit Work 98.00/ 5.0 10.6
fits model: Rzr, Xp, 900. make: Polaris. year: 2011–2013.
( Brand: Cylinder Works ), ( Manufacturer Part Number: 61001-K01 ), ( Part Type: Work ), ( Manufacturer Warranty: See Below In Description For Any Warranty )
Review CYLINDER WORKS Work Polaris Kit 98.00/ 5.0 10.6 Po fits RZR XP 900 2011–2013
The **Polaris RZR XP 900 Cylinder Kit (Part #61001-K01)** is a meticulously engineered, high-performance upgrade designed exclusively for the **2011 2013 Polaris RZR XP 900** models, ensuring optimal power, reliability, and longevity for your off-road adventures. This premium kit includes a **forged aluminum cylinder (98.00mm bore)** paired with a **precision-machined piston (5.0" stroke)** and a **high-performance piston ring set**, all engineered to maximize compression, reduce friction, and enhance thermal efficiency. The cylinder features a **smooth, hard-anodized finish** that resists wear and corrosion, while the **optimized piston design** with reinforced rings improves sealing and fuel efficiency, delivering a noticeable boost in horsepower and torque. Whether you're tackling rugged trails, carving through deep sand, or pushing the limits on rocky terrain, this kit ensures your RZR XP 900 runs with **smoother throttle response, increased durability, and a more aggressive power delivery** perfect for riders who demand peak performance from their UTV. Backed by Polaris reputation for quality and precision, this kit is a straightforward yet impactful upgrade for those looking to restore stock performance or push their machine to new heights.
### **Pros and Cons of buying a Polaris RZR XP 900 Cylinder Kit (Part #61001-K01, Fits 2011-2013 Models)**
#### **Pros:**1. **Direct Fitment** The kit is specifically designed for 2011-2013 RZR XP 900 models, ensuring compatibility without modifications.
2. **Performance Potential** A new cylinder can improve engine efficiency, reduce compression loss, and enhance power output if the rest of the engine is in good condition.
3. **Prevents Further Damage** If the existing cylinder is worn or cracked, replacing it now can prevent catastrophic engine failure and costly repairs later.
4. **OEM Quality** Polaris parts are generally reliable, and this kit includes the cylinder, gasket, and sometimes necessary seals or hardware.
5. **Cost-Effective Upgrade** At $98, this is a relatively inexpensive way to maintain or restore engine health compared to full engine rebuilds.
6. **Easy Installation** Many owners report that the cylinder replacement is a manageable DIY job with basic tools, though some may prefer a mechanic.
7. **Increases Longevity** A fresh cylinder can extend the life of the engine if paired with proper maintenance (oil changes, cooling system checks).
8. **Compatibility with Other Upgrades** If you plan to modify the engine (e.g., porting, camshaft upgrades), a new cylinder is a logical first step.
#### **Cons:**1. **Wear on Other Components** If the cylinder is being replaced due to wear, other parts (pistons, rings, bearings) may also be worn and require replacement for optimal performance.
2. **Labor Intensity** Removing and reinstalling the cylinder involves disassembling the engine, which can be time-consuming and requires mechanical skill.
3. **Potential for Improper Installation** If not installed correctly, issues like leaks, poor sealing, or uneven compression can arise, leading to further problems.
4. **No Major Power Gain** Unlike a full engine rebuild or forced induction, this kit alone won t significantly increase horsepower; it s more about restoring reliability.
5. **Depreciation Factor** If the RZR is older, the value of the kit may not justify the cost compared to buying a newer model outright.
6. **Additional Costs** Beyond the cylinder kit, you may need new gaskets, seals, or even a cylinder head service if the engine has been neglected.
7. **Reliability Depends on Other Systems** A new cylinder won t fix issues with the cooling system, fuel system, or electrical components, which are critical for long-term performance.
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### **Conclusion**
The **Polaris RZR XP 900 cylinder kit (61001-K01)** is a **practical and cost-effective solution** for restoring or maintaining engine health in 2011-2013 models. It is best suited for:
- Owners who notice **reduced performance, rough idling, or oil consumption** (signs of cylinder wear).
- Those planning **further engine modifications** (e.g., porting, camshaft swaps).
- DIY enthusiasts comfortable with **basic engine disassembly and reassembly**.
However, if the rest of the engine (pistons, bearings, etc.) is degraded, the cylinder replacement alone may not be sufficient, and a **full rebuild or engine swap** could be more justified. If the RZR is used infrequently or shows signs of **neglect in other systems**, the cost-benefit may not outweigh the effort.
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### **Recommendation**
**Buy the kit if:**- You have **confirmed cylinder wear** (visible cracks, excessive oil burning, compression loss).
- You re **prepared to inspect and replace other worn components** (pistons, rings, bearings).
- You re **comfortable with the installation process** or have access to a mechanic.
- You plan to **keep the RZR long-term** and want to prevent future engine failure.
**Avoid or reconsider if:**- The RZR is **heavily abused or neglected** (cooling system issues, fuel problems, electrical failures).
- You re **not mechanically inclined** and don t want to risk improper installation.
- The **total cost of parts and labor** (including potential additional components) exceeds the vehicle s value.
- You re **not planning to use the RZR regularly** consider selling it or upgrading to a newer model instead.
**Alternative Considerations:**- If the engine is **severely worn**, a **used/rebuilt engine swap** from a trusted source may be more cost-effective than piecemeal repairs.
- If the RZR is **only used occasionally**, weigh whether the **time and effort** justify the repair versus trading up.
For most **moderately maintained RZRs**, this kit is a **smart investment** to extend engine life. For **high-mileage or abused units**, a more thorough evaluation (or replacement) may be necessary.
Details:
Replacement Cylinder for standard bore only. Up for sale is CYLINDER WORKS 2011 2013 RZR XP 900 Polaris KIT BB 98.00/ 5.0 10.6:1 POL 61001-K01. The vendor part number is 61001-K01. Complete Big Bore Kits.
Matched with vertex pistons to ensure longevity, performance and reduce engine noise. Nickel silicon carbide plated for longer life. Includes Cylinder, piston kit and gaskets. Cylinder looks just like stock.
No machine work needed. Complete standard bore kits. Replacement piston, gaskets, and ring sets available. Complete standard bore high compression kits.
Top end gasket kit does not include valve stem seals.
part #: 61001k01 prices
- $591.25-$1131.26
specifications cyclesparkplugs:
- for models: Rzr, Xp, 900
- for makes: Polaris
- for years: 2011-2013
- brand: Cylinder Works
- mpn: 61001-k01
- part type: Work
- manufacturer warranty: See Below In Description For Any Warranty
seller cyclesparkplugs:
- rating: 100.0%
- # reviews: 28664
- city: 61062
general cyclesparkplugs:
- Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Spark Plugs
- condition: New
payments cyclesparkplugs:
- wallet: Google-pay
- credit card: Diners-club
- other
offer cyclesparkplugs:
- sold: 0
- started: February 1, 2026
- options: Ship-to-home
- quantity: 1
- availability: In Stock
returns cyclesparkplugs:
- policy: Returns Accepted
- paid by: Seller
- time: 30 Days
shipping cyclesparkplugs:
- cost: $0.00
- service: Standard
- type: Fixed
- transit: 3-5 Days
- class: Standard
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