BOYESEN SC-21B Racing Ignition Cover 804429502691 277624

( Brand: Boyesen ), ( Part Type: Ignition Cover ), ( Manufacturer Part Number: SC-21B ), ( Product Type: Ignition System Parts ), ( UPC: 804429502691 ), ( Fitment Type: Direct Replacement ), ( Ipn: 277624 ), ( Product Subtype: Ignition Covers )

Review BOYESEN Suzuki Factory Racing Ignition Cover fits RM125 1992–1997

The Boyesen SC-21B Racing Ignition Cover is a high-performance upgrade for Suzuki RM125 motorcycles manufactured between 1992 and 1997. This ignition cover is designed to enhance the ignition system's efficiency and reliability, ultimately contributing to improved power output and overall engine performance.

The SC-21B ignition cover is engineered using advanced materials, primarily a lightweight yet robust aluminum alloy. This material choice offers several benefits, including reduced weight for better engine response and increased heat dissipation to keep the ignition system operating at optimal temperatures.

One of the most notable features of the Boyesen SC-21B Racing Ignition Cover is its integrated billet aluminum rotor. This component is CNC machined for precision and is designed to reduce rotor mass, leading to quicker revving and smoother engine operation. The rotor also boasts a unique four-pole design that increases the ignition system's output, resulting in more efficient combustion and enhanced power delivery.

Another significant advantage of the SC-21B Racing Ignition Cover is its optimized ignition timing. The cover includes a high-performance ignition advance system, allowing the ignition timing to be adjusted according to engine RPM for optimal performance. This feature allows the engine to deliver maximum power across the entire RPM range, ensuring consistent and responsive power delivery.

The SC-21B Racing Ignition Cover is also designed with easy installation in mind. It comes complete with all necessary hardware for a straightforward installation process, and the cover's sleek design not only looks great but also ensures a secure fit over the engine.

In summary, the Boyesen SC-21B Racing Ignition Cover is a high-performance upgrade for Suzuki RM125 motorcycles produced between 1992 and 1997. This ignition cover offers benefits such as reduced weight, increased heat dissipation, a high-performance rotor, optimized ignition timing, and easy installation, all contributing to enhanced power output and improved overall engine performance.

The Boyesen SC-21B racing ignition cover is a popular upgrade for Suzuki RM125 motorcycles manufactured between 1992 and 1997. This ignition cover is designed to improve the performance of the bike by reducing rotating mass and providing better ignition timing. Here are some pros and cons of buying this product:

1. Improved Performance: The Boyesen SC-21B ignition cover reduces rotating mass, allowing the engine to rev more freely and deliver better power and torque.

2. Better Ignition Timing: The cover provides better ignition timing, which can lead to improved combustion efficiency and increased power output.

3. Durable: The Boyesen SC-21B ignition cover is made from high-quality materials, including billet aluminum, and is designed to withstand the rigors of racing.

4. Easy Installation: The installation process is relatively simple and can be completed in a short amount of time.

5. Improved Look: The Boyesen SC-21B ignition cover provides an attractive and distinctive look to the motorcycle.

1. Cost: The Boyesen SC-21B ignition cover is more expensive than the stock ignition cover, which may be a deterrent for some buyers.

2. Requires Additional Parts: To install the Boyesen SC-21B ignition cover, you may need to purchase additional parts, such as a new crankshaft position sensor.

3. May Not Be Legal for Street Use: Depending on local regulations, using a racing ignition cover like the Boyesen SC-21B on a street-legal motorcycle may not be allowed.

4. Potential for Increased Noise: The Boyesen SC-21B ignition cover may produce more noise than the stock cover, which could be a concern for some riders.

The Boyesen SC-21B ignition cover is an excellent upgrade for Suzuki RM125 motorcycles used in racing applications. It provides significant performance benefits, including improved power and torque, better ignition timing, and reduced rotating mass. However, it comes with some drawbacks, such as a higher cost, the need for additional parts, potential legality issues, and increased noise.

If you are looking to improve the performance of your Suzuki RM125 motorcycle for racing use, the Boyesen SC-21B ignition cover is an excellent choice. However, be sure to consider the potential costs, the need for additional parts, and any legal restrictions before making a purchase. If you are unsure about the suitability of this product for your specific application, consult with a motorcycle mechanic or professional racing organization for advice.

part # sc21b prices

• $85.05-$89.48

specifications ignitioncompo:

• for models: Rm125
• for makes: Suzuki
• for years: 1992-1997
• brand: Boyesen
• part type: Ignition Cover
• manufacturer part number: SC-21B
• product type: Ignition System Parts
• upc: 804429502691
• fitment type: Direct Replacement
• interchange part number: 277624
• product subtype: Ignition Covers

payments ignitioncompo:

• credit card: Visa
• other
• wallet: Apple-pay

returns ignitioncompo:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

offer ignitioncompo:

• sold: 0
• availability: In Stock
• quantity: 4
• options: Ship-to-home
• started: March 31, 2026

shipping ignitioncompo:

• transit: 3-7 Days
• service: FedEx Ground / FedEx Home Delivery
• cost: $10.00
• carrier: FedEx
• type: Fixed
• class: Standard

seller ignitioncompo:

• rating: 99.3%
• # reviews: 6583

general ignitioncompo:

• Motorcycle Scooter Parts Accessories > Electrical Ignition Components > Other Electrical Ignition Components
• condition: New

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