Moose Offroad Spark Arrestor End Cap - 40-5011 - Yamaha YZ125 / YZ250 / YZ125X / YZ250X

The Moose Offroad Spark Arrestor End Cap 40-5011 is a cost-effective and reliable solution for Yamaha 2-stroke riders looking to enhance safety and compliance while maintaining performance. Instead of replacing the entire silencer, this end cap delivers an affordable upgrade with spark and noise control built in.

Featuring a screen-type spark arrestor, the Moose 40-5011 ensures sparks are safely reduced while still allowing smooth exhaust flow. Servicing is simple—just remove two bolts to clean or replace the screen—making maintenance quick and hassle-free.

Constructed in the USA with rugged, durable materials, this end cap withstands demanding off-road environments while keeping weight low for optimal handling. Whether you’re racing closed-course events or exploring off-road trails, this spark arrestor end cap provides dependable compliance and long-lasting performance without unnecessary complexity.

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Features:

• Affordable alternative to full silencer replacements
• Integrated screen-type spark arrestor reduces sparks and noise
• Quick maintenance with 2-bolt screen removal
• Built in the USA with durable construction
• Ideal for off-road and closed-course riding

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Fitment List:

Yamaha

• 2020-2024 YZ125X
• 2016-2024 YZ250X
• 2015-2024 YZ125
• 2011-2024 YZ250

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FAQs:

Q1: Does the Moose 40-5011 Spark Arrestor End Cap affect performance?
No, it maintains strong throttle response and power while adding spark and noise control.

Q2: Is this spark arrestor USFS approved?
Yes, it meets USFS standards for spark arrestors, making it safe for trail use.

Q3: How easy is it to maintain?
Very easy—just two bolts for screen removal, cleaning, or replacement.

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Enhance your Yamaha 2-stroke with the Moose Offroad 40-5011 Spark Arrestor End Cap—a lightweight, durable, and affordable upgrade that ensures safety, compliance, and long-lasting performance on and off the track.

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