HONDA 31100-152-673 Flywheel Rotor Magneto

( Manufacturer Part Number: 31100-152-673 ), ( Part Type: Rotor Flywheel Magneto ), ( Vintage Part: Yes ), ( Country Of Origin: Japan )

Review HONDA Flywheel Rotor Magneto fits XL75

The **Honda 31100-152-673 XL75 Flywheel Rotor Magneto** is a precision-engineered ignition component designed exclusively for Honda XL75 and XL75T trail bikes, ensuring reliable and efficient spark generation for optimal engine performance. This high-quality magneto assembly combines a robust flywheel rotor with an integrated magneto unit, forming a seamless, self-contained ignition system that eliminates the need for external ignition coils or wiring complexity. Crafted from durable materials, the flywheel rotor features a precisely machined surface with evenly spaced magnets embedded in a high-strength steel housing, allowing for consistent magnetic flux generation as the rotor spins within the stator assembly. The integrated magneto, a critical component of the bike s ignition system, converts mechanical rotation into electrical energy, producing the high-voltage pulses required to ignite the air-fuel mixture in the engine s cylinder. This design not only enhances reliability but also reduces maintenance requirements, as the magneto operates independently of the bike s electrical system, making it less susceptible to voltage fluctuations or wiring issues. Ideal for both original equipment replacement and restoration projects, this part is engineered to meet Honda s stringent quality standards, ensuring a perfect fit and seamless integration with the bike s existing ignition components. Whether used in a classic trail bike or a restored vintage model, the **Honda 31100-152-673 XL75 Flywheel Rotor Magneto** delivers the dependable performance needed for smooth, trouble-free operation, embodying Honda s legacy of craftsmanship and engineering excellence.

### **Pros and Cons of buying a Honda 31100-152-673 (XL75 Flywheel/Rotor/Magneto Combo)**

1. **Compatibility** This part is specifically designed for the Honda XL75 (1980 1986 models), ensuring a perfect fit without modification.

2. **Reliability** Honda is known for durable components, and the flywheel, rotor, and magneto work together to provide consistent ignition and power transfer.

3. **Complete Unit** Purchasing the flywheel, rotor, and magneto as a single package simplifies installation, reducing the need for multiple part searches.

4. **Performance Stability** A properly functioning magneto ensures reliable starting and smooth engine operation, which is critical for off-road and adventure riding.

5. **Ease of Installation** Since it s a pre-assembled unit, installation is generally straightforward compared to sourcing individual parts separately.

6. **Prevents Common Failures** Many XL75 issues stem from worn or failing ignition components; replacing them together can extend the life of the engine.

7. **Cost-Effective for Repairs** Buying as a set is often cheaper than purchasing each component individually from different suppliers.

1. **Age of the Part** Since the XL75 is an older model, finding a genuine Honda OEM part may be difficult, and aftermarket options might vary in quality.

2. **Potential Counterfeit Risks** If purchasing from an unverified seller, there is a risk of receiving a replica or low-quality part that fails prematurely.

3. **Limited Availability** Due to the discontinued nature of the XL75, stock may be low, leading to longer wait times or higher prices.

4. **Skill Dependency** While installation is manageable, removing the old components (especially the flywheel) requires some mechanical experience to avoid damaging the engine.

5. **Compatibility with Modifications** If the bike has been heavily modified (e.g., aftermarket engines or ignition systems), this stock part may not integrate perfectly.

6. **Warranty Concerns** Since it s a used or aftermarket part, warranty coverage (if any) may be limited or nonexistent.

7. **Potential for Wear in Stock Parts** Even if new, parts from older stock may have been sitting unused for years, potentially affecting performance.

---

### **Conclusion**

The **Honda 31100-152-673 (XL75 flywheel/rotor/magneto combo)** is a practical and cost-effective solution for restoring or maintaining an XL75 s ignition and power transfer systems. The bundled nature of the part streamlines repairs, and Honda s reputation for durability ensures reliability. However, buyers must be cautious about sourcing from reputable sellers to avoid counterfeit or degraded components. If the bike is heavily modified or if the owner lacks mechanical experience, consulting a professional may be advisable.

For most **stock or lightly modified XL75 owners**, this part is a **strong recommendation** due to its convenience and compatibility. If budget allows, verifying the seller s authenticity and checking for genuine Honda parts (or high-quality aftermarket alternatives) will maximize long-term success.

- **Buy if:** You need a reliable, all-in-one solution for your XL75 s ignition system and have access to a verified seller.

- **Avoid if:** You suspect counterfeit parts, lack mechanical experience, or the bike has extensive modifications that may conflict with stock components.

- **Alternative Consideration:** If finding this exact part is difficult, explore aftermarket magneto kits (e.g., from **Honda Power Sports** or **Ride Enterprises**) that offer similar functionality with better availability.

Details:

Honda XL75 a 1977. Honda XL75 a 1978. HONDA 1979 XL75 A LEFT CRANKCASE COVER ALTERNATOR. HONDA 1978 XL75 A LEFT CRANKCASE COVER ALTERNATOR.

part #: 31100152673 prices

• $139.99-$161.20

specifications cyclevintagee:

• for models: Xl75
• for makes: Honda
• mpn: 31100-152-673
• part type: Rotor Flywheel Magneto
• vintage part: Yes
• country of origin: Japan

payments cyclevintagee:

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

general cyclevintagee:

• condition: Used
• Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories

returns cyclevintagee:

• time: 14 Days
• paid by: Buyer
• policy: Returns Accepted

shipping cyclevintagee:

• service: UPS Ground, USPS Ground Advantage
• type: Calculated
• cost: $10.41
• transit: 5-12 Days
• carrier: UPS, USPS
• class: Standard

seller cyclevintagee:

• rating: 99.9%
• city: Union, Kentucky
• # reviews: 6862

offer cyclevintagee:

• quantity: 1
• options: Ship-to-home
• sold: 0
• started: February 7, 2026
• availability: In Stock
• best offers: True

Honda 31100-152-673 Is Similar To:

• 15451-259-020 Honda Nos Rotor Cap Ca Cb Cl Obsolete Rare Part (29.6% similar) Your application. Your the expert.see my other listings for more vintage nos parts. Suzuki and memorabilia...(August 6th, 2018)
• 31100-292-023 Honda Super Sport Nos Ac Generator Assembly With Magneto (37.6% similar) I have a low starting price of just here is chance to get one at bargain. I took off the old tape and put in honda bag 15 yrs ago. These are very rare and can cost up to when you find them. It was half wrapped in paper and had been with tape...(September 9th, 2018)
• 31121-356-024 Honda Xl Flywheel Engine Stator Generator Magneto Rotor (51.7% similar) There is however no serious damage to this part. Please leave a message if you do not reach someone when call initially. Respectfully, XLS parts etc. This part is ready to install and go ride. The magnet power seems very strong and is expected to work well. Thanks again for taking a look and make it...(December 3rd, 2018)
• 45351-ka3-830za Honda Front Brake Rotor Disc (33% similar) These pictures are of the actual item for sale. Please look over all pictures before purchasing and for any further details. This honda KA3-830ZA disk, fr. Buyer pays return postage. Brake NH105 mat black fits the following model's and components: make year variants honda motorcycle 1985 CR250R a ...(March 1st, 2019)
• Cm450t Honda 1982 Stator Flywheel Cover (48.8% similar) Do the on first part. No other parts or hardware is included unless it in the photos above. With 50,000 parts on it just doesn't make fiscal sense to bench test every part. Many of the frequently ask questions are answered below. A 1982 honda CM450T. Sadly it is worth more in parts than complete. ...(December 26th, 2016)
• Cx500c 1982 Honda Custom 78-83 D T Tc Gl Front Wheel Brake Rotor Bolts Hardware (38.1% similar) Happy buying. If we specify a side that a part was removed from, refer to the following left side pertains to the kickstand side and right side is the opposite of that. Refer to photos for detailed item condition concerns this part was removed from the honda CX500C in above picture. This bike was in...(March 25th, 2016)
• F120-31107 Honda Advance Flywheel Magneto (52.3% similar) I think this came from an SL70 but am not positive. There are 4 holes hand drilled and tapped in it for a pull string cage...(December 30th, 2017)
• H1094-1 1985 Honda Vf500c Magna V30 Front Wheel Disc Brake Rotor (37.8% similar) We buy vintage and project motorcycles, parts and collections...(August 12th, 2016)
• Cb550f Honda Cb 550 Super Sport 1975 Front Wheel Brake Rotor Bolts Parts (38.7% similar) Front wheel brake rotor parts off of a 1975 honda CB550. Feel free to ask any questions. Comes with what's pictured...(December 3rd, 2016)
• 43140-463-000 Honda Gl Goldwing Rear Rotor Brake Dust Cover (41.5% similar) Condition is used. Honda 1100 GL Golding GL1100 I rear rotor brake dust cover 000. Shipped with USPS priority mail...(June 18th, 2020)
• Rad Powersports 612816 678027 Flywheel Puller Thread16mmx1.5 Rh For 1974 Honda Cr125m 618216 (31.7% similar) ...(November 25th, 2023)