1. Shocks & Suspension On Sale
  2. sku: 21425648360466721
  3. POLARIS 2206811

POLARIS 2206811 Sprocket Splined 18T MH16-99 GZ28

fits model: Timbersled. make: Polaris. year: 1975.

Mh16-99 Polaris 2206811 Timbersled 18t Sprocket Splined New Oem 75#gz28

( Manufacturer Part Number: 2206811 ), ( Part Type: Sprocket ), ( Country Of Origin: United States )

Review POLARIS 18t Sprocket Splined New Oem fits TIMBERSLED 1975

The **Polaris 2206811 Timbersled 18T Sprocket (MH16-99 Splined, 75 GZ28)** is a precision-engineered, high-performance drivetrain component designed exclusively for the Polaris Timbersled lineup, ensuring seamless integration with the 75 GZ28 engine and MH16-99 splined shaft. This durable, cast-steel sprocket features a robust **18-tooth configuration**, optimized to deliver maximum torque transfer while maintaining optimal chain engagement and longevity. Crafted from high-grade alloy steel, it is heat-treated and hardened to withstand the demanding conditions of off-road and utility applications, including heavy-duty towing, logging, and rugged terrain navigation. The **splined shaft interface (MH16-99)** ensures a secure, vibration-dampening connection to the transmission, reducing wear on both the sprocket and the drivetrain components while enhancing overall power delivery. Ideal for operators who demand reliability and performance, this sprocket is a direct replacement part, maintaining factory specifications to prevent compatibility issues and ensure peak efficiency. Whether used in professional logging operations or recreational off-roading, the **Polaris 2206811 Timbersled Sprocket** exemplifies the brand s commitment to durability, precision, and performance-driven engineering.

### **Pros and Cons of buying a Polaris 2206811 Timbersled 18T Sprocket (MH16-99 Splined, 75 GZ28)**

#### **Pros:**

1. **Compatibility with Polaris Timbersled Models** This sprocket is designed specifically for Polaris Timbersled models, ensuring a proper fit and reliable performance. It matches the MH16-99 splined shaft, which is common in many Polaris ATVs, including the Timbersled lineup.

2. **Durability and Quality** Polaris parts are generally built to high standards, meaning this sprocket should withstand regular use without premature wear. The 75 GZ28 designation suggests it is engineered for durability in off-road conditions.

3. **Performance Optimization** The 18-tooth sprocket is a common upgrade choice for improving acceleration and hill-climbing ability. A smaller sprocket (like 18T) paired with a larger rear tire can enhance traction and responsiveness, especially in loose or steep terrain.

4. **Ease of Installation** Since it is an OEM or direct replacement part, installation should be straightforward for those with basic mechanical skills. No major modifications are typically required beyond removing the old sprocket and securing the new one.

5. **Warranty Coverage** Purchasing directly from Polaris or an authorized dealer may include warranty protection, providing peace of mind against defects in materials or workmanship.

6. **Cost-Effective Upgrade** Compared to full drivetrain overhauls or engine swaps, replacing just the sprocket is a relatively inexpensive way to improve performance. Pricing is typically reasonable for a high-quality aftermarket or OEM part.

7. **Availability of Support** Polaris offers extensive customer support, including technical assistance and service centers, which can be helpful if installation issues arise.

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#### **Cons:**

1. **Potential for Overloading the Engine** A smaller sprocket (like 18T) increases RPMs at a given speed, which can stress the engine and transmission. If the engine is already near its power limits, this may lead to overheating or premature wear in the drivetrain.

2. **Reduced Top Speed** While acceleration improves, a smaller sprocket reduces top speed because the engine must spin faster to maintain momentum. This may not be ideal for riders who prioritize highway-like speeds or long-distance travel.

3. **Compatibility Risks with Non-Stock Setups** If the ATV has been modified with non-standard tires, chains, or other drivetrain components, the 18T sprocket may not perform as expected. Always verify compatibility with the entire drivetrain setup.

4. **Chain Wear Concerns** A smaller sprocket can increase chain wear over time due to higher tension and stress. Regular chain maintenance (lubrication, tension checks) will be necessary to prevent premature failure.

5. **Learning Curve for New Riders** The altered gearing can make the ATV feel more aggressive, which may be disorienting for inexperienced riders. Sudden acceleration could lead to loss of control if not managed properly.

6. **Potential Voidance of Warranty** If the ATV is still under warranty, modifying the drivetrain (even with an OEM part) could void certain coverage. Always check Polaris warranty terms before making changes.

7. **Market Availability and Pricing Variability** While Polaris parts are reliable, they may not always be the cheapest option. Third-party sellers (eBay, Amazon, or specialty shops) sometimes offer similar parts at lower prices, though quality may vary.

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### **Conclusion and Recommendation**

The **Polaris 2206811 Timbersled 18T Sprocket (MH16-99 Splined, 75 GZ28)** is a solid choice for riders looking to enhance acceleration and hill-climbing performance on their Timbersled ATV. Its compatibility with Polaris models, durability, and ease of installation make it a practical upgrade for those who prioritize off-road agility over top speed.

However, the trade-offs such as reduced top speed, increased engine stress, and the need for careful maintenance should be considered. This sprocket is best suited for riders who:

- Operate primarily in rugged, hilly terrain.

- Have experience with ATV modifications.

- Are willing to monitor drivetrain health closely.

- Do not rely on the ATV for high-speed or long-distance use.

**Recommendation:**

If you are certain the sprocket fits your riding style and ATV setup, proceed with the purchase from an **authorized Polaris dealer or a reputable aftermarket supplier** to ensure authenticity and warranty coverage. Pair this upgrade with a **high-quality chain, proper lubrication, and regular inspections** to maximize longevity. For first-time modifications, consult a mechanic to confirm compatibility with your specific Timbersled model and drivetrain configuration. If you are unsure about the impact on your engine or transmission, consider starting with a **smaller, less aggressive upgrade** (e.g., a 19T sprocket) before committing to an 18T.

Details:

18T SPROCKET.

part #: 2206811 price

  • $51.74

specifications snowmobileshocksoi:

  • for models: Timbersled
  • for makes: Polaris
  • for years: 1975
  • mpn: 2206811
  • part type: Sprocket
  • country of origin: United States

general snowmobileshocksoi:

  • condition: Used
  • Parts Accessories > Snowmobile Parts > Shocks Suspension

seller snowmobileshocksoi:

  • rating: 99.9%
  • # reviews: 34755
  • city: Nampa, Idaho

offer snowmobileshocksoi:

  • options: Ship-to-home
  • sold: 0
  • started: February 3, 2026
  • quantity: 1
  • availability: In Stock

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  • policy: Returns Accepted
  • time: 30 Days
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  • type: Fixed
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for models: timbersled, for makes: polaris, for years: 1975, part type: sprocket, country of origin: united states,
category: snowmobile parts > shocks suspension, sku: 21425648360466721,
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  • New. Offer #1 priced at $51.74 + $0.00 shipping estimate = $51.74* total. Polaris part number sprocket-splined 18t 520.FREE SHIPPING

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