What Size Chain Does My 2011 Husaberg FX450 Dirt Bike Use?

Shop dirt bike parts for a 2011 Husaberg FX450 Dirt Bike.

What Chain Size Does the 2011 Husaberg FX450 Use?

The 2011 Husaberg FX450 most commonly uses a 520 chain size as its OEM specification. This is the standard for many high-performance enduro and off-road bikes in this class. While the vast majority of FX450 models use a 520 chain, it's always wise to double-check if your bike has aftermarket modifications or if it was originally sold in a region with different specs. If you're unsure, you can verify the chain size by checking the markings on your current chain or consulting your owner's manual.

Understanding Dirt Bike Chain Sizes

A chain size like "520" refers to two key measurements:
  • Pitch: The distance between the centers of two adjacent pins (5/8 inch for a 520 chain).
  • Width: The internal width between the inner plates (2/8 inch for a 520 chain).
Many dirt bikes, including the 2011 Husaberg FX450, use a 520 chain because it offers a strong balance of durability and weight for the bike's power and intended use. This size is robust enough for the FX450's 450cc engine while keeping unsprung weight low for better handling.

How Many Links Does the Chain Have?

The typical OEM chain length for the 2011 Husaberg FX450 is 118 links. However, this number can vary based on several factors:
  • Sprocket changes: Installing larger or smaller sprockets will require a longer or shorter chain.
  • Axle position: Adjusting the rear axle for chain tension can slightly affect the required link count.
  • Wheelbase adjustments: Modifying the wheelbase for handling preferences may also change the chain length needed.
Always count your current chain's links or consult your manual before ordering a replacement.

Factors That Can Affect Chain Size or Length

Several factors can influence the ideal chain size or length for your 2011 Husaberg FX450:
  • Riding type: Motocross, trail, or enduro riding may demand different gearing setups, affecting chain length.
  • Engine displacement and torque: The FX450's 450cc engine is well-matched to a 520 chain, but higher torque or modified engines might require a stronger chain.
  • Aftermarket sprockets: Changing sprocket sizes for performance or terrain can require a different chain length.
  • Suspension setup: Custom suspension changes that alter swingarm angle or wheelbase can impact chain requirements.

How to Confirm the Correct Chain for Your Bike

To ensure you get the right chain for your 2011 Husaberg FX450, follow these steps:
  1. Check existing chain markings: Most chains have size stamped on the side plates (e.g., "520").
  2. Count the number of links: Lay your chain flat and count each link, including the master link.
  3. Reference the owner's manual: The manual will list the OEM chain size and recommended link count.
  4. Measure pitch and width if needed: Use a caliper to measure the distance between pins (pitch) and the internal width between plates.

When Should You Replace Your Chain?

Replace your chain if you notice:
  • Excessive stretching or kinking
  • Stiff or seized links
  • Visible wear on rollers or side plates
  • Difficulty maintaining proper tension
It's best practice to replace your chain and sprockets together, as worn sprockets can quickly damage a new chain and vice versa. Riding with a worn or incorrect chain increases the risk of breakage, poor shifting, and even damage to your engine or swingarm. Always inspect your drive components regularly to ensure safe and reliable performance on your 2011 Husaberg FX450.

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Disclaimer: This guide is provided for general informational purposes only and is not intended to replace your motorcycle's official owner's manual. Always refer to your manufacturer's documentation for model-specific instructions, torque specifications, safety procedures, and maintenance requirements. If you are unsure or inexperienced, consider seeking assistance from a qualified mechanic or technician.