The Harley 114 engine is a powerful and advanced powerplant that has been designed to deliver exceptional performance and reliability. One of the key features of this engine is its availability in a water-cooled configuration, specifically the Twin-Cooled Milwaukee-Eight 114 engine. This engine is used in the CVO™ Limited and CVO™ Street Glide® models, and it offers a range of benefits that make it a popular choice among Harley enthusiasts.
Understanding the Twin-Cooled Milwaukee-Eight 114 Engine
The Twin-Cooled Milwaukee-Eight 114 engine is a liquid-cooled variant of the standard Milwaukee-Eight 114 engine. It features a unique cooling system that utilizes liquid-cooled cylinder heads to manage engine heat, providing improved performance and comfort, especially in hot weather or during long rides with a passenger.
Technical Specifications
The Twin-Cooled Milwaukee-Eight 114 engine boasts the following technical specifications:
| Specification | Value |
|---|---|
| Bore | 4 in |
| Stroke | 4.5 in |
| Displacement | 114 cu in (1,870cc) |
| Compression Ratio | 10.5:1 |
| Engine Torque | 124 ft-lb |
| Engine Torque (rpm) | 3,250 |
| Lean Angle, Right (deg.) | 34.3 |
| Lean Angle, Left (deg.) | 33.4 |
| Fuel Economy (Combined City/Hwy) | 43 mpg |
These specifications highlight the impressive power and performance capabilities of the Twin-Cooled Milwaukee-Eight 114 engine, making it a standout choice for Harley enthusiasts.
Advantages of the Water-Cooled System
The water-cooled system used in the Twin-Cooled Milwaukee-Eight 114 engine offers several key advantages over the traditional air-cooled design:
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Improved Heat Management: The liquid-cooled cylinder heads effectively dissipate engine heat, providing better thermal management and reducing the risk of overheating, especially in hot weather or during extended rides.
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Enhanced Performance: The improved heat management allows the engine to maintain optimal operating temperatures, resulting in more consistent power delivery and better overall performance.
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Increased Comfort: By effectively managing engine heat, the water-cooled system helps to keep the rider and passenger more comfortable, particularly during long rides or in hot climates.
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Reduced Maintenance: The water-cooled system requires regular maintenance, such as checking and refilling the coolant, but it can help to extend the engine’s lifespan by preventing excessive heat buildup.
Maintenance and Troubleshooting
As with any water-cooled system, the Twin-Cooled Milwaukee-Eight 114 engine requires regular maintenance to ensure optimal performance and longevity. Here are some key maintenance tasks to consider:
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Coolant Inspection and Replacement: Regularly check the coolant level and condition, and replace the coolant as per the manufacturer’s recommendations.
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Cooling System Inspection: Inspect the cooling system components, such as the water pump, hoses, and radiator, for any signs of wear or damage.
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Thermostat Monitoring: Ensure that the thermostat is functioning correctly, as it plays a crucial role in regulating the engine’s operating temperature.
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Leak Detection: Regularly inspect the cooling system for any signs of leaks, which can lead to coolant loss and potential engine damage.
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Flushing and Cleaning: Periodically flush the cooling system to remove any accumulated debris or contaminants that could impede the system’s efficiency.
It’s important to note that while the water-cooled system requires additional maintenance, many Harley enthusiasts have reported positive experiences with the Twin-Cooled Milwaukee-Eight 114 engine. One user on Reddit, for example, reported having no issues with the water-cooled system in their engine after approximately 25,000 miles.
Conclusion
The Harley 114 engine is available in a water-cooled configuration, specifically the Twin-Cooled Milwaukee-Eight 114 engine. This engine offers a range of benefits, including improved heat management, enhanced performance, and increased rider comfort. While the water-cooled system requires regular maintenance, it can help to extend the engine’s lifespan and provide a more enjoyable riding experience, especially in hot weather or during long rides with a passenger.