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Man O-War Compensator Review: Pros, Cons, and More

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The aftermarket motorcycle parts industry continuously evolves, offering solutions designed to enhance performance and riding experience. One such innovation captivating Harley Davidson enthusiasts is the Darkhorse Man O War compensator, a primary motor sprocket solution designed for superior performance, often compared to other models like the OEM compensator and the Baker Attitude Adjuster for its robustness. This component, serving as an OEM compensator replacement, has been meticulously developed to address and rectify the shortcomings of stock compensators, which some riders find unsatisfactory due to noise, excessive vibration, or mechanical issues.

Riders upgrading to the Man O War compensator often report instant torque response and significant improvements in their motorcycles’ performance, making it a preferred choice over the stock compensator and comp eliminator options. Users commonly notice a reduction in primary noise and a smoother transition into first gear, thanks to the Man O War’s patented system, a testament to the compensator’s design that aims to offer a more efficient power transfer and reduced slack in the drive system. Given the compensator’s vital role in ensuring the longevity and smoothness of a motorcycle’s primary drive system, the Man O’ War’s growing popularity suggests it effectively addresses the weaknesses found in the OEM parts.

Motorcycle maintenance enthusiasts have detailed their experiences with the Man O’ War compensator, further reinforcing its reputation. For example, when tackling primary case oil changes, reduced metal particle presence on the drain plug magnet has been observed, hinting at less wear and tear within the engine components. The decision to switch to the Man O War unit, an aftermarket part, is motivated not only by performance improvements but is also motivated by the desire for greater reliability and durability of their bike’s internal workings. But that’s not all is it? You’re right, there’s more. So keep reading and let’s dive in together

Related read: Guide to Finding The Best Harley Compensator Upgrades Today


Overview of The Man O’War Compensator

Introduction to the Dark Horse Man O' War compensator for Harley Davidsons

The Man O’War compensator, a standout in the aftermarket motorcycle parts industry, replaces standard compensators in Harley Davidson motorcycles, including the stock compensator and OEM parts, aimed at addressing common issues like noise, vibration, and mechanical wear. This component, surpassing the performance of the stock compensator and OEM parts, is recognized for enhancing the bike’s performance, reducing mechanical noise, and improving the overall riding experience.

Design and Construction

The Man O War compensator, with its robust construction, is designed for durability, ensuring the inner primary seal and bearings last longer.” Reason: Incorporates “inner primary seal” and emphasizes durability, addressing maintenance concerns. Its construction, featuring high-grade materials that withstand the stress and strain of motorcycle operation, ensures the inner primary cover remains protected against wear and tear. These choices in materials also contribute to an overall increase in the component’s lifespan compared to standard OEM parts.

Key Features

Key features of the Man O’War compensator include:

  • Premium Features: Equipped with enhanced elements, this compensator offers an instant torque response and reduced noise, making it a superior choice over the OEM compensator. For instance, the incorporation of superior cushions within the design helps in dampening vibrations and noise, offering a smoother ride.
  • Man O-War Motor Sprocket: Often paired with the compensator, The Man O War motorsprocket, optimized for seamless power transmission, significantly improves the bike’s torque and throttle response. The modification of the tooth count, such as going from 34 to a 32 tooth sprocket, as reported by users, alters the bike’s performance characteristics.

Installation and Compatibility Overview

The Man O’ War compensator by Darkhorse is an aftermarket component designed to enhance performance and reduce noise in the primary chain system of various Harley models. Motorcycle enthusiasts look to this upgrade for a smoother clutch engagement and a quieter ride.

What Models Is The Man O’ War Compensator Compatible With?

Darkhorse’s Man O War compensator, a comp eliminator, is specifically engineered for Harley-Davidson motorcycles, replacing the OEM compensator. It’s critical for owners to verify that their Harley model is compatible before purchasing. Models that have been mentioned in discussions include various touring bikes and Softails. One should consult the Man O’ War product details or contact a Darkhorse representative for a complete list of compatible motorcycle models.

Installation Process

Example of an exposed primary case on a Harley M8, used to show the installation process for the Man O' War Compensator

When installing a Man O’ War compensator, following the provided instructions meticulously is crucial. Users must first remove the primary cover to access the clutch basket and OEM compensator. The process typically requires:

  1. Draining the primary case oil.
  2. Removing the existing compensator, clutch plate, and primary chain.
  3. Carefully installing the Man O’ War into the clutch basket.
  4. Ensuring that the primary chain tension is correct.
  5. Reinstallation of the primary cover and refilling with fresh oil.

For those unfamiliar with motorcycle maintenance, professional installation is recommended. Proper installation ensures the clutch plate operates with reduced slack, minimal noise, and improved bike performance.

How Does The Man O’ War Compensator Improve Performance?

When evaluating the Man O’ War compensator, it’s essential to focus on specific benefits like noise reduction and the improvements in torque and throttle response it delivers.

Noise Reduction

The Man O’ War compensator plays a significant role in noise reduction, especially in the primary drive system of a motorcycle. Riders often report a notable decrease in the clunking noise when shifting into first gear, attributing it to the war compensator’s design, indicating successful mitigation of auditory discomfort. This results in a more enjoyable riding experience, underscored by smoother gear transitions without the associated disruptive sounds often experienced with OEM parts.

Torque and Throttle Response

The enhanced design of the Man O’ War compensator also contributes to a more refined torque and throttle response. By stabilizing rpm fluctuations, the Man O War compensator ensures an instant torque response, enhancing rider comfort when the throttle is applied. This reduction in drive train lash results in less shock to the engine, optimizing overall engine performance. Consequently, riders benefit from an increased sense of control and rider comfort due to more predictable power delivery throughout the riding range.

Durability and Maintenance Requirements for The Man O’ War

In assessing the Man O’War compensator, its durability and requisite maintenance are critical components for bikers prioritizing long-term performance and reliability of their motorcycle’s drivetrain.

Longevity and Wear

The Man O War compensator, celebrated for its rebuildable nature, offering users an opportunity to maintain the component without complete replacement, significantly extends the longevity compared to stock compensators. This aspect significantly contributes to the longevity of the compensator. Users report reduced wear compared to stock setups, affirming that the compensator enhances the chain tension management, which is vital for sustained motorcycle performance.

Maintenance Requirements

Regular inspection is essential for early detection of metal particles in the primary case oil, which can indicate abnormal wear. Maintenance routines should include checking the primary noise to identify any potential issues. It is advised that owners ensure correct chain tension to avoid slack that could lead to additional stress on the compensator.


How Does The Man O’ War Compare To Its Competitors?

The Man O' War Compensator next to a Baker Compensator, used to compare itself against one of its primary competitors

The Man O’War compensator has become a notable aftermarket component among Harley-Davidson enthusiasts, often weighed against the standard OEM compensators. This section delves into the specifics of how the Man O’War compares to OEM options and includes feedback from actual consumers who have installed and tested these parts on their motorcycles.

Man O’War vs OEM Compensators

The Man O’War, often cited for its robust construction and performance benefits, represents a marked shift from the typical OEM compensator. Focused on reducing primary noise and enhancing gear engagement, the Man O’War compensator is manufactured in the USA, appealing to consumers seeking domestic quality. On the other hand, original equipment manufacturer (OEM) compensators are the standard choice that comes pre-installed on Harley-Davidson bikes, designed to balance cost-effectiveness with performance.

Key points of comparison include:

  • Noise Reduction: Customers report a significant decrease in primary noise with the Man O’War.
  • Gear Engagement: The Man O’War improves the smoothness of shifting into first gear.
  • Durability: Although subjective, some claim enhanced longevity with the Man O’War over OEM counterparts.
  • Warranty: Warranties vary between products, with some aftermarket options offering competitive terms.

It is crucial for consumers to consider the implications of changing sprocket sizes, as noted in one testimonial where a 32-tooth drive sprocket replaces the 34-tooth OEM. The change in gear ratios can affect the ride characteristics.

Consumer feedback is instrumental in gauging the real-world application of the Man O’War compensator. Testimonials often highlight the immediate difference in the motorcycle’s performance post-installation. One rider emphasizes the elimination of ‘clunk’ when shifting, while another notes a smoother clutch release.

However, not all feedback is positive. Concerns are sometimes voiced about the added weight of the Man O’War potentially affecting the bike’s internal mechanics, with one example mentioning bearing and crank wear in Harley-Davidsons.

Collected insights include:

  • Positives often feature decreased noise and the sensation of a “different bike”.
  • Some mechanics recommend the Man O’War, while others caution about its weight on the crankshaft.
  • Consumer sentiment underscores the importance of checking compatibility with bike models, such as the need for an updated rotor on certain bikes.
  • Installation: Installation experiences vary, with some riders managing it personally and others seeking professional help.

In wrapping up, it remains clear that individual experiences with the Man O’War compensator can differ. Riders considering an upgrade to their Harley-Davidson should weigh these insights alongside manufacturer specifications and warranty conditions.

The Man O' War Compensator along with all of its required installation pieces

Get The Man O’ War Compensator!



When considering the Man O’ War compensator as an upgrade for Harley Davidson motorcycles, potential buyers should evaluate the pricing, availability, and the level of support offered by the manufacturer. These factors can significantly influence the purchasing decision and overall satisfaction with the product.

Pricing and Availability

The Man O’ War compensator is positioned as a premium aftermarket part, with its pricing reflecting the quality and performance improvements over the OEM compensator. Potential buyers should ensure they are getting value for their money by comparing prices from different retailers. Availability can vary, but the compensator is usually purchasable through various online platforms and in specialty motorcycle shops across the USA.

  • Price Range: Generally varies by retailer and region
  • Availability: Online stores, Harley Davidson forums, and specialty shops

Warranty and Manufacturer Support

A strong warranty can be a sign of the manufacturer’s confidence in their product. The Man O’ War compensator typically comes with a warranty, the details of which can differ from one dealer to another. It’s crucial for buyers to understand the warranty’s scope and the support provided by the manufacturer in case of any issues.

  • Warranty: Specifics vary; check with the seller
  • Manufacturer Support: Limited support may be available; it’s advisable to inquire with the dealer directly for accurate information

Before finalizing the purchase, they should inquire about shipping options, especially if they are located outside of the USA, as this could affect the delivery time and cost.


What is the Man O’ War Compensator, and how does it work?

The Man O’ War Compensator is an aftermarket motorcycle part designed to improve the performance of Harley Davidson motorcycles. It works by reducing the torsional vibration and noise in the driveline, offering smoother acceleration and deceleration.

Which Harley Davidson models are compatible with the Man O’ War Compensator?

The Man O’ War Compensator is compatible with a range of Harley Davidson models, particularly those with the Twin Cam and Milwaukee-Eight engines.

Can installing the Man O’ War Compensator impact fuel efficiency?

The primary function of the Man O’ War Compensator is to reduce vibration and improve ride quality. While it’s not directly designed to enhance fuel efficiency, smoother engine operation can contribute to more consistent fuel consumption rates.

What materials is the Man O’ War Compensator made of?

The Man O’ War Compensator is typically made from high-grade materials such as steel or aluminum, ensuring durability and long-lasting performance under various riding conditions.