1. Antique, Vintage, Historic Motorcycle Parts For Sale
  2. sku: 22458644971253722
  3. HONDA 45000-340-000

HONDA 45000-340-000 Front Brake Plate Arms Shoes

fits model: K2, Sl350, Sl, 350. make: Honda. year: 1972.

45000-340-000 Honda 1972 K2 Sl350 Sl 350 Front Brake Plate Assembly Arms Shoes

( Manufacturer Part Number: 45000-340-000 ), ( Part Type: Brake Plate Arm ), ( Color: Silver ), ( Compatible Model: Sl350 K2 Sl 350 ), ( Material: Aluminum, Chrome ), ( Vintage Part: Yes ), ( Placement On Vehicle: Front ), ( Oe/oem Part Number: 45000-340-000, 45431-340-000, 45120-235-000 ), ( Universal Fitment: No ), ( Country Of Origin: Japan )

Review HONDA Front Brake Plate Assembly Arms Shoes fits K2 SL350 SL 350 1972

The **1972 Honda SL350/SL450 front brake plate arms and shoes** from the **45000-340-000** part family represent a rare and highly sought-after component from one of the most iconic eras of motorcycle engineering. Originally designed for the **SL350** and later adapted for the **SL450**, these front brake assemblies are a testament to Honda s early innovations in lightweight yet durable braking systems. Crafted from high-quality steel, the **front brake plate arms** feature a robust, drilled design that ensures proper fluid flow and heat dissipation while maintaining structural integrity under heavy braking loads. The **brake shoes**, paired with these arms, are precision-machined to fit the original **drum brake mechanism**, delivering reliable stopping power a critical feature for the aggressive, high-performance riding style of the era. These parts are essential for restoring or maintaining the authenticity of a classic Honda, as they replicate the original factory specifications with meticulous attention to detail, including the correct spacing, alignment, and mounting points. Whether used in a fully restored show bike or a daily rider seeking improved braking performance, these components bridge the gap between vintage authenticity and modern reliability. The **45000-340-000** designation ensures compatibility with the **K2 engine** and **SL350/SL450 chassis**, making them a must-have for enthusiasts looking to preserve or enhance the handling and safety of their beloved Honda.

### **Pros and Cons of Buying a 1972 Honda SL350 (K2) with the Specifications Mentioned**

#### **Pros:**

1. **Classic Design and Nostalgia** The SL350 is a well-regarded classic motorcycle from the early 1970s, known for its timeless styling and mechanical simplicity. It holds a strong appeal for collectors and enthusiasts who appreciate vintage motorcycles.

2. **Reliable Honda Engine** Honda s 350cc air-cooled single-cylinder engine from this era is known for durability, especially if well-maintained. Many of these engines can last decades with proper care.

3. **Lightweight and Maneuverable** The SL350 is a small, nimble bike, making it ideal for urban riding, parking in tight spaces, and handling on twisty roads. Its low weight also makes it easier to control than larger bikes.

4. **Affordable Maintenance (Compared to Modern Bikes)** Parts for this bike are relatively inexpensive, especially if you can source them from aftermarket suppliers or salvage yards. Labor costs are also lower than for modern high-performance bikes.

5. **Simple Mechanics** The SL350 has straightforward mechanical systems (no complex electronics, minimal suspension adjustments needed). This makes it easier to diagnose and fix issues yourself if you have basic mechanical skills.

6. **Potential for Restoration or Customization** If the bike is in rough condition, it can be a rewarding project. Many owners enjoy restoring these bikes to like-new condition or modifying them for a unique look.

7. **Good for Learning or Casual Riding** The SL350 is a great choice for beginners or casual riders who don t need high performance but want a fun, manageable bike.

8. **Strong Community and Support** There is an active community of SL350 owners and restorers who share knowledge, parts, and restoration tips. Forums, clubs, and meetups make it easier to find help.

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#### **Cons:**

1. **Age and Wear** A 1972 bike is over 50 years old, meaning it likely has significant wear on critical components like the engine, transmission, frame, and suspension. Rust, worn bearings, and degraded rubber parts are common issues.

2. **Potential for Hidden Mechanical Problems** Without a thorough inspection, you may not discover major issues like a seized engine, cracked crankshaft, or failing transmission. Older bikes often require extensive work to be roadworthy.

3. **Lack of Modern Safety Features** The SL350 lacks modern amenities like ABS, traction control, disc brakes (unless aftermarket), or advanced ergonomics. Riding conditions can be harsher, especially in wet or rough terrain.

4. **Fuel and Emissions Concerns** Older bikes often struggle with fuel stability (old gas can gum up carburetors) and may not meet modern emissions standards if modified. Some areas have restrictions on pre-catalytic bikes.

5. **Limited Power and Performance** The 350cc engine produces only about 25-30 horsepower, which is adequate for casual riding but insufficient for high-speed or aggressive riding. Acceleration and top speed are modest.

6. **Parts Availability Can Be Hit-or-Miss** While parts exist, some may be hard to find, especially for rare or heavily modified components. You may need to order from specialty suppliers or salvage from other bikes.

7. **Riding Comfort and Ergonomics** The SL350 s seating position and lack of modern suspension tuning can make long rides uncomfortable. The bike is also top-heavy when stopped, which can be unstable.

8. **Insurance and Registration Costs** Classic bikes often have higher insurance premiums due to their value and potential for damage. Registration fees may also be higher than for modern bikes.

9. **Environmental Impact** Older bikes contribute more to pollution than modern, fuel-efficient motorcycles. If you ride frequently, this could be a concern.

10. **Time and Effort Required** Restoring or maintaining an SL350 is a labor-intensive process. If you re not willing to put in the time or money, the bike may become a money pit.

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### **Ending Conclusion:**

Buying a 1972 Honda SL350 with the specifications you mentioned can be a fantastic investment if you re looking for a **project bike, a collector s item, or a simple, nostalgic ride**. The bike s charm, reliability, and community support make it appealing to enthusiasts. However, it also comes with **significant challenges**, including potential mechanical issues, high maintenance costs, and a lack of modern conveniences.

If you re **mechanically inclined, have the budget for repairs, and enjoy the process of restoring or maintaining a classic bike**, this purchase could be rewarding. On the other hand, if you re looking for a **reliable, low-maintenance, and safe daily rider**, a modern or slightly newer classic bike (e.g., a 1990s Honda CB350 or a restored 1980s bike) might be a better choice.

### **Recommendation:**

- **If you re buying for fun, restoration, or as a hobby:** Proceed with caution. Get a **thorough inspection** by a trusted mechanic, budget for repairs, and consider starting with a **lesser-known model** if you re unsure about the SL350 s condition.

- **If you re buying for daily use:** Look for a **restored or well-maintained SL350** with a clean service history. Alternatively, consider a **more modern classic** (e.g., a 1980s Honda CB350 or a 1990s bike) for better reliability and safety.

- **If you re on a tight budget:** Start with a **cheaper, less desirable model** (e.g., a K1 or K3) to gain experience before committing to an SL350.

Ultimately, the SL350 is a **great bike for the right owner** someone who appreciates its history, isn t afraid of work, and enjoys the process of bringing a piece of motorcycle history back to life. If that sounds like you, go for it. If not, prioritize a bike that fits your riding needs and lifestyle.

Details:

Large packages cannot be delivered to P.O. FITMENT: THIS PART WAS REMOVED FROM A 1972 HONDA SL350. Carburetors and Fuel Injection components may require cleaning for optimal performance.

part #: 45000340000 prices

  • $39.99-$74.99

specifications cyclevintagee:

  • for models: K2, Sl350, Sl, 350
  • for makes: Honda
  • for years: 1972
  • mpn: 45000-340-000
  • part type: Brake Plate Arm
  • color: Silver
  • compatible model: Sl350 K2 Sl 350
  • material: Aluminum, Chrome
  • vintage part: Yes
  • placement on vehicle: Front
  • oe/oem part number: 45000-340-000, 45431-340-000, 45120-235-000
  • universal fitment: No
  • country of origin: Japan

payments cyclevintagee:

  • wallet: Paypal
  • credit card: Diners-club
  • other

returns cyclevintagee:

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

general cyclevintagee:

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

offer cyclevintagee:

  • started: May 21, 2026
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • best offers: True
  • quantity: 1

shipping cyclevintagee:

  • class: Economy
  • transit: 6-9 Days
  • carrier: UPS
  • type: Fixed
  • service: UPS Ground Saver
  • cost: $0.00

seller cyclevintagee:

  • rating: 99.9%
  • # reviews: 6729
  • city: Grants Pass, Oregon
for models: k2, sl350, sl, 350, for makes: honda, for years: 1972, part type: brake plate arm, compatible model: sl350 k2 sl 350, vintage part: yes, placement on vehicle: front, oe/oem part number: 45000-340-000, 45431-340-000, 45120-235-000, universal fitment: no, country of origin: japan,
category: motorcycle parts > motorcycle scooter parts accessories, color: silver, material: aluminum, chrome, sku: 22458644971253722,
Honda 45000-340-000 Is Similar To:
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2 offers $39.99–$74.99 USD
  • Used. Offer #1 priced at $74.99 + $0.00 shipping estimate = $74.99* total. FREE SHIPPING
  • Used. Offer #2 priced at $39.99 + $14.10 shipping estimate = $54.09* total. 1978 Honda Cb750 Honda SL 350 CB 750 900 1000 Goldwing Valve Inspection Adjustment Cover Cap.+$14.10 shipping

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