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  3. BOYESEN MN/SP92

BOYESEN MN-SP92 Power Fuel Air Reed Xh MN/SP92

fits model: Yz490. make: Yamaha. year: 1984–1990.

Sp92 Boyesen Mn/sp92 Power Reeds For 1984-1990 Yamaha Yz490 - Fuel And Air Reed Xh

( Brand: Boyesen ), ( Manufacturer Part Number: MN/SP92 ), ( Compatible Year: 1990 1989 1988 1987 1986 1985 1984 ), ( Bundle Description: 1 Pc Genuine Boyesen Power Reeds ), ( Type: Power Reeds ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement )

Review BOYESEN Mn/sp92 Power Reeds Yamaha Fuel And Air Reed Xh fits YZ490 1984–1990

Boyesen MN/SP92 Power Reeds for 1984-1990 Yamaha YZ490 Fuel-Injected Air Reeds (XH) - Enhance Your Off-Road Performance

Experience a new level of power and efficiency on your 1984-1990 Yamaha YZ490 XH with the Boyesen MN/SP92 Power Reeds. Designed specifically for fuel-injected models, these high-performance reeds are a direct upgrade to your stock reeds, delivering a significant boost in power and responsiveness.

Crafted from precision-machined brass and featuring Boyesen's patented Multi-Port Reed technology, the MN/SP92 reeds offer superior air flow, increased power, and unmatched durability. The Multi-Port design allows for a smoother transition of air, reducing power loss and enhancing throttle response.

The unique reed petal design provides a more efficient sealing surface, reducing power leaks and ensuring optimal engine performance. Moreover, the reeds are designed to withstand the rigors of off-road riding, offering a longer lifespan compared to traditional reeds.

Installation is straightforward and can be done with common hand tools, making it a quick and easy upgrade for any enthusiast. With the Boyesen MN/SP92 Power Reeds, you'll notice immediate improvements in acceleration, top-end power, and overall performance, transforming your YZ490 into a more responsive and powerful machine.

Upgrade your Yamaha YZ490 XH with Boyesen MN/SP92 Power Reeds and take your off-road experience to the next level. Experience the difference that precise engineering and high-quality materials can make in your machine's performance.

Pros of Boyesen MN/SP92 Power Reeds for 1984-1990 Yamaha YZ490 Fuel Air Reed XH:

1. Improved Performance: Boyesen power reeds are known for their ability to increase power and throttle response, which can enhance the overall performance of your motorcycle.

2. Durability: Boyesen power reeds are designed to last longer than stock reeds, reducing the need for frequent replacements.

3. Customization: These power reeds are available in different spring rates, allowing riders to customize the performance to their specific riding style and conditions.

Cons of Boyesen MN/SP92 Power Reeds for 1984-1990 Yamaha YZ490 Fuel Air Reed XH:

1. Cost: Boyesen power reeds are more expensive than stock reeds, which could be a deterrent for some riders.

2. Tuning Requirements: To get the most out of these power reeds, you may need to make adjustments to your motorcycle's carburetor or fuel injection system. This could require additional time and expense.

3. Noise Level: Some riders have reported that Boyesen power reeds can be louder than stock reeds, which might not be desirable in all situations.

Conclusion:

If you're looking to improve the performance of your 1984-1990 Yamaha YZ490 and are willing to invest in a quality aftermarket part, the Boyesen MN/SP92 Power Reeds could be a good choice. However, keep in mind that they may require additional tuning and could be louder than stock reeds. If you're on a tight budget or prefer a quieter ride, you might want to consider other options.

Recommendation:

If you decide to go with Boyesen power reeds, it's recommended to consult with a professional mechanic to ensure proper installation and tuning. This will help ensure that you get the best performance possible from your new reeds and avoid any potential issues.

Details:

Boyesen Power Reeds for 1984 - 1990 Yamaha YZ490 - Fuel Air Reed xh: Status: In Stock.

part #: mnsp92 price

  • $59.32

specifications intakefuelmotorcycle:

  • for models: Yz490
  • for makes: Yamaha
  • for years: 1984-1990
  • brand: Boyesen
  • mpn: Mn/sp92
  • compatible year: 1990 1989 1988 1987 1986 1985 1984
  • bundle description: 1 Pc Genuine Boyesen Power Reeds
  • type: Power Reeds
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement

general intakefuelmotorcycle:

  • Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery
  • condition: New

offer intakefuelmotorcycle:

  • availability: In Stock
  • started: September 12, 2025
  • options: Ship-to-home
  • sold: 0
  • quantity: 1

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for models: yz490, for makes: yamaha, for years: 1984-1990, compatible year: 1990 1989 1988 1987 1986 1985 1984, bundle description: 1 pc genuine boyesen power reeds, type: power reeds, core charge: free no core charge, fitment type: direct replacement,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery, sku: 20161838224223632,
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