fits year: 2013.

( Brand: Michigan Wheel ), ( Manufacturer Part Number: 488L ), ( Part Type: Propeller ), ( Propeller Rotation: Counter ), ( Country Of Origin: United States )
The **Michigan Wheel 488L Dymex MR Minus 13 13-Liter Propeller** is a high-performance, precision-engineered propeller designed for serious boaters seeking maximum efficiency, speed, and handling in both stock and modified outboard-powered vessels. Crafted from **high-grade aluminum alloy**, this propeller combines durability with exceptional strength, ensuring long-lasting performance even under demanding conditions. The **488L** designation indicates a **4.5-inch diameter with a 8.0-inch pitch**, making it ideal for medium to large outboards ranging from **150 to 350 horsepower**, particularly in applications where a balance of acceleration, top-end speed, and fuel efficiency is required. The **Dymex MR (Marine Racing) series** is renowned for its aggressive yet refined blade design, which enhances thrust while minimizing cavitation and vibration, resulting in a smoother, more responsive ride.
The **Minus 13** designation refers to the **13-degree rake angle**, a subtle yet critical feature that optimizes blade entry into the water, reducing drag and improving acceleration. This rake angle, combined with the **13-liter displacement**, ensures that the propeller efficiently moves water with minimal resistance, making it well-suited for boats that demand quick launches, sharp turns, and sustained high speeds. The **three-blade configuration** provides a perfect balance between power delivery and fuel economy, making it versatile for everything from cruising to racing. Whether you're towing a wakeboarder, navigating tight turns in a fishing boat, or pushing a speedboat to its limits, this propeller delivers consistent performance with reduced wear on the outboard s gearcase.
Built to withstand the rigors of saltwater and freshwater environments, the **Michigan Wheel 488L Dymex MR** features **precision-machined blades** that maintain their shape under heavy loads, preventing deformation and ensuring longevity. The **hub design** is engineered for optimal power transfer, reducing stress on the outboard s internal components while maximizing efficiency. This propeller is particularly well-suited for **Evinrude, Mercury, Yamaha, and Suzuki outboards**, where its refined tuning allows for fine adjustments in throttle response and boat handling. Whether you're upgrading from a stock propeller or fine-tuning a high-performance setup, the **488L Dymex MR Minus 13** offers a proven blend of speed, control, and reliability, making it a standout choice for enthusiasts who demand the best from their marine propulsion system.
### **Pros and Cons of buying a Michigan Wheel 488L Dymex MR Minus 13 (13L) Propeller**
#### **Pros:**1. **High Performance for Stock and Modified Engines** The 488L is designed for high-rpm applications, making it ideal for both stock and mildly modified engines (e.g., 500 600 HP). It balances efficiency and thrust well for its size.
2. **Durability** Michigan Wheel propellers are known for their high-quality materials and precision machining, ensuring longevity even under demanding conditions.
3. **Good Thrust-to-Drag Ratio** The MR (Medium Ratio) design provides a balance between acceleration and top-end speed, making it versatile for different boat types (e.g., wake boats, bowriders, or small cruisers).
4. **Compatibility with Common Engines** The 13-inch pitch is well-suited for mid-sized outboards (e.g., 150 250 HP) and can handle moderate horsepower without excessive wear.
5. **Minor Pitch Reduction (MR Minus 13)** The "minus" designation suggests a slightly optimized pitch for better acceleration, which can be beneficial in shallow water or when towing.
6. **Affordable for Its Class** Compared to high-performance propellers, this is a cost-effective option for those needing a reliable, mid-range propeller without extreme modifications.
7. **Easy to Find Replacement Parts** Michigan Wheel is a well-established brand, so blades, nuts, and other components are widely available.
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#### **Cons:**1. **Not for Extreme Horsepower** While it handles up to 600 HP, it may struggle with heavily modified engines (e.g., 700 HP) without risking blade damage or excessive vibration.
2. **Limited Top-End Speed** The 13L pitch is optimized for mid-range performance rather than extreme speed. For high-speed applications, a larger pitch (e.g., 14L or 15L) may be more efficient.
3. **Potential for Cavitation** At very high RPMs or with aggressive throttle use, cavitation can occur, leading to pitting and reduced lifespan. This is more common in smaller propellers like this one.
4. **Weight Consideration** The 488L is a smaller diameter propeller, which means it may not handle deep-V hulls or heavy loads as efficiently as a larger, heavier propeller.
5. **Requires Proper Installation** Like all propellers, incorrect installation (e.g., wrong nut size, improper alignment) can lead to premature failure. This may require professional fitting.
6. **Not Ideal for Deep-V or Planing Hulls at Low Speeds** If the boat spends a lot of time at slow speeds (e.g., fishing, anchoring), a slightly larger pitch or a different design (e.g., a "slow-speed" propeller) might be more efficient.
7. **Potential for Blade Damage in Rough Conditions** Smaller propellers can be more susceptible to damage from debris (e.g., rocks, docks) due to their reduced clearance.
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### **Ending Conclusion:**The **Michigan Wheel 488L Dymex MR Minus 13 (13L)** is a solid, mid-range propeller that excels in stock to mildly modified setups (300 600 HP). It offers a good balance of acceleration, durability, and affordability, making it a practical choice for wake boats, bowriders, or small cruisers. However, it is not suited for extreme horsepower applications or deep-V hulls requiring high top-end speeds. If the boat operates primarily at moderate speeds and doesn t push the engine to its limits, this propeller will perform reliably. For high-performance or heavily modified engines, a larger or more aggressive pitch would be preferable.
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### **Recommendation:** **Buy this propeller if:**- You have a **stock or mildly modified outboard (150 250 HP, up to 600 HP with caution)**.
- Your primary use involves **moderate speeds (30 50 mph)** rather than extreme performance.
- You need a **durable, cost-effective option** without sacrificing too much efficiency.
- The boat is a **bowrider, wake boat, or small cruiser** rather than a deep-V or high-performance vessel.
**Avoid this propeller if:**- Your engine is **heavily modified (700 HP)** or you frequently push it to extreme RPMs.
- You prioritize **top-end speed** over acceleration and need a larger pitch (e.g., 14L 16L).
- The boat is a **deep-V or planing hull** that spends a lot of time at slow speeds.
- You frequently operate in **rough or debris-filled waters**, where a more robust propeller might be better.
**Alternative Considerations:**- For **better acceleration**, consider a **12L or 12.5L pitch** in the same diameter.
- For **higher top speeds**, a **14L or 15L pitch** would be more efficient.
- For **deep-V hulls**, a **larger diameter (e.g., 500L or 510L)** with a slightly larger pitch may improve performance.
In summary, this propeller is a **good all-around choice for general boating needs** but may not be optimal for specialized or high-performance applications. Always match the propeller to your engine s horsepower and the boat s intended use for best results.
3-blade, left-hand rotation, nickel-aluminum-bronze Liberal propeller designed primarily for 1990direct-drive ski boats, such as the Malibu Echelon. Key Specifications Details: Diameter: 13 inches Pitch: Rotation: Left-Hand LH Bore Shaft Size: 1 inch Material: Liberal Nickel-Aluminum-Bronze, which is highly durable and resistant to damage.