How much horsepower does a 2004 Honda Rubicon 500 have?

The 2004 Honda FourTrax Rubicon 500 delivers roughly 34 horsepower at the engine crank, with real-world output varying by testing method and condition.

In 2004, the Rubicon 500 used a roughly 493cc four-stroke engine focused on torque and utility. Published horsepower figures from Honda and independent tests place the engine in the mid-30s horsepower range, though the exact number depends on the measurement method (such as SAE gross versus SAE net) and operating conditions like altitude and temperature.

How horsepower is measured and what it means for the Rubicon

Horsepower for ATVs is typically quoted as engine power at the crank or as wheel horsepower after drivetrain losses. The method matters because brochure numbers often reflect engine output, while real-world riding feels the impact of transmission, tires, and other factors.

Before listing the factors that influence a horsepower reading, it’s useful to know that the Rubicon’s power figure is affected by several variables that can swing the number by several horsepower in practice.

A few key factors commonly influence horsepower readings for the 2004 Rubicon 500:



• Measurement standard (SAE gross vs SAE net)


• Altitude and ambient temperature


• Fuel quality and emission-control equipment


• Engine condition (compression, timing, valve clearance)


• Exhaust and intake restrictions or modifications

Under typical, well-tuned test conditions, the Rubicon 500’s engine horsepower tends to fall in the mid-30s range. Wheel horsepower, which reflects drivetrain losses, will be somewhat lower than the engine horsepower.

Historical context and practical takeaways

The Rubicon 500’s power profile prioritizes torque and midrange grunt over outright top speed. For trail work, hill climbs, and utility tasks, the engine’s usable torque is often more important than peak horsepower, which helps explain the model’s enduring popularity among riders who value tractable power and reliability.

What this means for riders

For prospective buyers or owners evaluating performance, remember that the published horsepower is a guide derived from engine output under specific test conditions. Real-world riding will feel the effect of drivetrain losses, maintenance, and environmental factors. The Rubicon 500 remains praised for its broad, usable torque rather than a straight-line sprint.

Summary

In summary, a 2004 Honda Rubicon 500 typically quotes around 34 horsepower at the engine, with actual numbers varying by measurement method and conditions. The important takeaway is that this ATV delivers solid mid-range power suited for utilitarian work and trail riding, with real-world performance influenced by factors like altitude, temperature, and maintenance.

How to make a Honda Foreman 500 faster?

You can find a great selection of original Honda ATV parts here on our website.

1. Replace the Air Filter. Upgrading the air filter is one of the easiest and most affordable things you can do to improve the performance of your ATV.
2. Replace the Exhaust.
3. Add a Nitrous Kit.
4. Add a Fuel Injector Controller.

Is the Honda Rubicon a good ATV?

The Honda Foreman - Foreman Rubicon excels in all these conditions. If you want an ATV that pulls, works, and lasts—this is the one. The Foreman lineup offers different configurations to match your workload and riding preferences.

How fast does a Rubicon 500 go?

The Rubicon 500, while slightly slower than its bigger sibling, offers a commendable top speed that can reach up to 60 mph under ideal conditions. This model is ideal for recreational riders who appreciate a blend of speed and manageability, especially on more technical trails where control is crucial.

How much does a 2004 Honda Rubicon 500 weigh?

600 pounds
2004 Honda FourTrax Foreman Rubicon/FourTrax Foreman Rubicon GPSCAPE Specifications