HONDA MN90 Rear Wheel Tire

( Manufacturer Part Number: MN90 ), ( Machine Type: Street Motorcycle ), ( Wheel Style: Multi Spoke ), ( Placement On Vehicle: Rear Wheel ), ( Wheel Material: Steel ), ( Wheel Construction: Spoked Wheel ), ( Type: Wheel ), ( Unit Type: Unit ), ( Wheel Diameter: 18 ), ( Wheel Width: 2.15 ), ( Country Of Origin: Japan )

Review HONDA Rear Wheel And Tire fits CB500 1972

The **1972 Honda CB500F (MN90) rear wheel tire** represents a rare and highly sought-after piece of automotive history, embodying the raw, unpolished spirit of the golden era of Japanese motorcycle engineering. Originally fitted to the iconic **CB500F**, Honda s first mass-produced four-stroke motorcycle, this tire was designed to complement the bike s legendary 499cc air-cooled, single-cylinder engine, which delivered a punchy yet refined performance that defined the early 1970s. The **MN90** designation refers to the specific model year and variant of the CB500F, a bike that was both a practical commuter and a trailblazer in the sport-touring segment, blending simplicity with innovation. The rear tire from this era was engineered to withstand the demands of daily riding, offering a balance between durability and grip, with a tread pattern that was both aggressive enough for spirited riding and forgiving enough for urban commuting. Constructed with early 1970s rubber compounds, the tire likely features a **black sidewall** with minimal branding, reflecting the minimalist aesthetic of the time, and may exhibit subtle signs of aging such as slight cracking or a faded tread if it has been stored for decades. The **rim size** is typically **180 x 403 (180mm width, 403mm diameter)**, a standard for the era, designed to fit the CB500F s sturdy, disc-braked rear wheel assembly. Whether you re a collector seeking to restore an original MN90 to its former glory or a rider appreciating the timeless design of this legendary machine, this tire is a tangible link to a transformative period in motorcycle history a piece that carries the weight of innovation, craftsmanship, and the unmistakable charm of a bygone era.

### Pros and Cons of Buying a 1972 Honda CB500 Rear Wheel Tire (MN90)

1. **Rarity and Collectibility** The 1972 Honda CB500 is a classic motorcycle, and finding original parts, especially tires, can be difficult. A well-preserved MN90 rear tire adds value to a restoration project or a collector s bike.

2. **Historical Accuracy** If you re restoring or maintaining a period-correct motorcycle, using an original or period-appropriate tire ensures authenticity. This is particularly important for show bikes or historical rides.

3. **Potential for Resale Value** If the bike is in good condition, an original or high-quality reproduction tire could enhance its appeal to collectors, increasing its resale value.

4. **Durability (if in good condition)** Original tires from this era, if properly stored and maintained, can still have decent tread life, especially if they were rarely used or stored in a dry environment.

5. **Nostalgia and Enthusiasm** For enthusiasts who appreciate vintage machinery, owning an original or period-correct part can be a rewarding experience, adding to the enjoyment of riding or displaying the bike.

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1. **Age and Wear** Tires from the early 1970s are likely to be dry-rotted, cracked, or otherwise degraded. Even if they look fine on the outside, the rubber compound may have deteriorated over time, making them unsafe or unreliable.

2. **Limited Availability** Finding a suitable MN90 rear tire for a 1972 CB500 may be challenging. Many sellers may not have the exact size or may charge premium prices due to scarcity.

3. **High Cost Relative to Modern Alternatives** Original or reproduction tires for vintage bikes can be expensive, especially if they are hard to source. Modern OEM or aftermarket tires designed for classic bikes may offer better performance and safety at a lower cost.

4. **Compatibility Issues** The tire size (e.g., 3.00x18 or similar) may not fit perfectly with modern rims or suspension setups, requiring additional modifications or adapters. This could lead to handling issues or premature wear.

5. **Safety Concerns** Riding on old tires increases the risk of blowouts or loss of traction due to weakened rubber, worn tread, or improper inflation. This is a significant safety hazard, especially on modern roads with higher speeds and heavier traffic.

6. **Maintenance and Storage Challenges** If the tire has been stored improperly (e.g., exposed to sunlight, extreme temperatures, or moisture), it may be unusable. Restoring or preserving an old tire can be time-consuming and costly.

7. **Lack of Modern Technology** Modern tires incorporate better tread patterns, rubber compounds, and load-bearing capabilities. An old tire may not provide the same level of grip, durability, or weather resistance as contemporary options.

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Buying a 1972 Honda CB500 MN90 rear wheel tire can be a rewarding experience for collectors or restorers who prioritize historical authenticity and nostalgia. However, the risks of dry rot, safety hazards, and high costs make it a less practical choice for everyday riding. If the primary goal is functionality and safety, modern OEM or reproduction tires designed for classic bikes are likely a better investment. Only proceed with an original or vintage tire if you are certain of its condition, have no safety concerns, and are willing to accept the limitations.

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- **For Collectors/Restorers:** If you are restoring a 1972 CB500 for display or historical rides and can verify the tire s condition (e.g., no cracks, proper tread depth, and no signs of dry rot), purchasing an original or reproduction MN90 tire may be justified. Inspect it thoroughly or consult a professional before use.

- **For Everyday Riding:** Avoid using an old tire unless you are certain it is safe. Instead, opt for a modern OEM or aftermarket tire that matches the original specifications (e.g., 3.00x18) and meets contemporary safety standards. Brands like **Michelin, Metzeler, or Dunlop** offer classic bike tires that balance historical accuracy with modern reliability.

- **For Budget-Conscious Buyers:** If you cannot find a suitable original or reproduction tire, consider a high-quality used tire from a reputable seller (e.g., eBay, motorcycle forums) that has been properly stored and inspected. Always prioritize safety over aesthetics.

Ultimately, weigh the emotional and sentimental value against the practical risks. If safety is a concern, modern alternatives are the safer choice.

Details:

The tire is 4.00 - 18 for standard rim 2.15 x. Inside the hub is in good condition with no damage. This is a nice wheel tire ready to ride. The max load is 615 Lbs.

The tread is in good condition with no signs of dry rot. The backing plate is in good condition with no damage. 1972 Honda CB500 rear wheel tire in good condition with no dents, dings or deep scratches. All the spokes are in good condition.

The sprocket is in good condition. The brand is Chen Shin MN90-18.

part #: mn90 prices

• $16.19-$197.95

specifications cywhemo:

• for models: Cb500
• for makes: Honda
• for years: 1972
• mpn: Mn90
• machine type: Street Motorcycle
• wheel style: Multi Spoke
• placement on vehicle: Rear Wheel
• wheel material: Steel
• wheel construction: Spoked Wheel
• type: Wheel
• unit type: Unit
• wheel diameter: 18
• wheel width: 2.15
• country of origin: Japan

returns cywhemo:

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

seller cywhemo:

• # reviews: 2778
• city: Dittmer, Missouri
• rating: 100.0%

general cywhemo:

• Motorcycle Scooter Parts Accessories > Wheels, Tires Parts > Wheels Rims
• condition: Used

shipping cywhemo:

• type: Fixed
• class: Standard
• carrier: USPS
• cost: $0.00
• service: USPS Ground Advantage
• transit: 4-10 Days

payments cywhemo:

• other
• wallet: Paypal
• credit card: Visa

offer cywhemo:

• availability: In Stock
• sold: 0
• quantity: 1
• started: February 10, 2026
• options: Ship-to-home

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