Harley 117 Engine: A Brief Overview

The Harley-Davidson 117 engine, introduced in 2017, is part of the Milwaukee-Eight family, which marked a significant evolution in the brand’s long-standing history of motorcycle engineering. This engine was designed to deliver more power and torque, catering to the demands of riders who crave performance alongside the iconic Harley styling. With a displacement of 117 cubic inches, it was marketed as a high-performance option for those looking to enhance their riding experience.

Historical Context

Harley-Davidson has been a staple in the motorcycle industry since its founding in 1903. Over the decades, the company has faced numerous challenges, including economic downturns and fierce competition. However, it has consistently adapted and evolved its engine technology to meet the changing needs of riders. The Milwaukee-Eight series, which includes the 117 engine, was a response to the growing demand for more powerful and efficient engines in the touring and cruiser segments.

As the motorcycle market has shifted towards performance-oriented models, the 117 engine was developed to provide a balance of power and comfort. It features a more advanced cooling system, improved fuel efficiency, and a smoother ride compared to its predecessors. However, despite its advancements, the 117 engine has not been without its share of problems, which have raised concerns among riders and mechanics alike.

This article will delve into the specific issues associated with the Harley 117 engine, examining the common problems that have been reported by users and the implications for safety and performance. Understanding these issues is crucial for current and prospective owners who wish to make informed decisions about their motorcycles.

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Common Issues with the Harley 117 Engine

The Harley 117 engine, while an impressive feat of engineering, has been reported to have several issues that can affect performance and reliability. Riders have encountered a range of problems that can lead to frustrating experiences on the road. Below, we explore the most common issues associated with the Harley 117 engine.

Overheating Concerns

One of the most frequently reported problems with the Harley 117 engine is overheating. This can occur due to several factors, including:

  • Inadequate cooling system design
  • Improper maintenance
  • High ambient temperatures

Overheating can lead to severe engine damage if not addressed promptly. Riders should monitor their engine temperature and be aware of any signs of overheating, such as:

  1. Unusual engine noises
  2. Loss of power
  3. Visible smoke or steam

Oil Leaks

Oil leaks are another common issue reported by Harley 117 owners. These leaks can stem from:

  • Faulty gaskets
  • Worn seals
  • Improper installation of components

Oil leaks not only create messes but can also lead to serious engine problems if the oil level drops too low. Regular inspections can help catch these leaks early.

Fuel System Problems

Some riders have reported issues with the fuel system, including:

  • Clogged fuel injectors
  • Fuel pump failures
  • Inconsistent fuel delivery

These problems can lead to poor engine performance, reduced fuel efficiency, and difficulty starting the motorcycle. Keeping the fuel system clean and well-maintained is essential for optimal performance.

Electrical System Failures

The electrical system in the Harley 117 engine has also been a point of concern. Common electrical issues include:

  • Battery drain
  • Faulty wiring connections
  • Malfunctioning sensors
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Electrical failures can lead to a range of problems, from starting issues to complete engine shutdowns. Regular checks of the electrical system can help prevent these failures.

Symptoms and Consequences

Symptom Possible Consequence
Overheating Engine damage or failure
Oil leaks Low oil levels leading to engine wear
Poor fuel delivery Reduced performance and efficiency
Electrical issues Starting problems or engine shutdown

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