YAMAHA 4V2-23340-L0-33 Fork Upper Lower Triple Tree SW32E
fits model: Yz125, Yz125h. make: Yamaha. year: 1981.
( Manufacturer Part Number: 4V2-23340-L0-33 ), ( Part Type: Fork ), ( Machine Type: Off-road Motorcycle ), ( Material: Aluminum ), ( Universal Fitment: No ), ( Placement On Vehicle: Rear )
Review YAMAHA Fork Upper Lower Triple Tree fits YZ125 YZ125H 1981
The **Yamaha 4V2-23340-L0-33** is a meticulously crafted, high-performance fork assembly designed exclusively for the legendary **1981 Yamaha YZ125 and YZ125H**, embodying the precision and engineering prowess that defined Yamaha s dominance in the motocross and off-road racing scene during the early 1980s. This triple tree fork set, labeled **SW32E**, represents a rare and sought-after component for enthusiasts seeking to restore or upgrade their classic YZ125 to factory-spec or near-original condition. The assembly comprises a **fork upper and lower triple tree**, meticulously machined from high-grade steel to ensure durability and rigidity, while maintaining the iconic styling that made Yamaha s bikes instantly recognizable. The **SW32E** designation suggests a specific variant optimized for the YZ125 s handling characteristics, likely featuring fine-tuned geometry to enhance steering responsiveness and stability at high speeds. Crafted with Yamaha s signature attention to detail, these triple trees are designed to seamlessly integrate with the bike s frame, providing a perfect balance of strength and weight savings a critical consideration for racers pushing the limits of performance. Whether used for restoration, customization, or as a replacement for worn-out parts, this fork assembly is a testament to Yamaha s legacy of innovation, offering both authenticity and performance for riders who demand nothing less than perfection in their classic machines.
### **Pros and Cons of buying a Yamaha 4V2-23340-L0-33 (1981 YZ125/YZ125H Fork Upper/Lower/Triple Tree/SW32E)**
#### **Pros:**1. **Authentic Restoration Potential** This part is from a classic Yamaha YZ125/YZ125H, a highly sought-after dirt bike model from the early 1980s. If you're restoring or modifying an original bike, these genuine components will ensure proper fitment and historical accuracy.
2. **High-Quality Materials** Yamaha was known for durable, well-engineered parts in this era. The fork, triple tree, and steering head components were built to last, especially if they came from a well-maintained bike.
3. **Compatibility with Classic YZ125 Models** The **4V2-23340-L0-33** designation suggests it fits the **1981 YZ125/YZ125H**, which means it should work seamlessly with other parts from the same year or similar models (e.g., YZ125A, YZ125B).
4. **Rarity and Collectibility** Since these bikes are no longer in production, finding original parts can be difficult. Owning a genuine set of fork components may increase the value of your restoration project.
5. **Potential for Performance Upgrades** If the parts are in good condition, they can serve as a solid base for rebuilding the fork with modern upgrades (e.g., new seals, springs, or shock linkages).
6. **No Modern Compatibility Issues** Unlike aftermarket parts that may require additional modifications, original Yamaha components are designed to work as-is with the stock frame and suspension system.
---
#### **Cons:** 1. **Age-Related Wear and Potential Damage** Forks and triple trees from a 1981 bike may show signs of wear, such as:- **Rust** (especially if stored in wet conditions)
- **Worn bushings or bearings** (leading to play in the steering)
- **Cracked or bent components** (common in older suspension parts)
- **Seized or corroded internals** (if the fork was never rebuilt)
2. **No Modern Adjustability** Unlike contemporary forks, the **SW32E** (likely a **YZ125H** model) does not feature adjustable preload or rebound damping. This limits tuning options compared to modern or aftermarket forks.
3. **Limited Availability of Replacement Parts** Finding matching seals, springs, or bushings for a 40-year-old fork can be challenging. You may need to source parts from salvage yards, eBay, or specialty suppliers.
4. **Potential for Hidden Issues** Without a thorough inspection, you might not notice:- **Internal fork damage** (bent stanchions, broken seals)
- **Triple tree cracks** (common in older bikes due to stress)
- **Steering head wear** (affecting alignment and handling)
5. **Cost vs. Value** If the bike is not a high-end restoration project, the expense of restoring these parts may not be justified. Modern aftermarket forks (e.g., **YSS, hlins, or WP**) may offer better performance at a lower long-term cost.
6. **Difficulty in Testing** Since you can t ride the bike without full assembly, you may not discover issues until the fork is rebuilt, leading to unexpected repair costs.
---
### **Conclusion:** Buying this **Yamaha 4V2-23340-L0-33 fork set** is a **good investment** if:- You are **restoring a 1981 YZ125/YZ125H** and prioritize **authenticity and historical accuracy**.
- You have **mechanical skills** to inspect, clean, and rebuild the components properly.
- You are **prepared for potential wear** and willing to source replacement parts if needed.
- The bike has **high sentimental or collector value**.
However, it is **not ideal** if:- You want **modern adjustability or performance upgrades**.
- You lack the **time or tools** to properly inspect and rebuild the fork.
- The bike is **not a restoration project** in which case, a **modern aftermarket fork** may be a better long-term solution.
---
### **Recommendation:** 1. **Inspect Thoroughly Before Purchase** If possible, disassemble the fork and triple tree to check for:- **Internal corrosion** (clean with penetrating oil if rusted).
- **Bushing and bearing condition** (replace if worn).
- **Stanchion straightness** (use a straightedge to check for bends).
- **Triple tree cracks** (use a dye penetrant test if unsure).
2. **Consider a Fork Rebuild Kit** If buying used, pair it with a **Yamaha fork rebuild kit** (seals, springs, bushings) to ensure proper function.
3. **Compare with Aftermarket Options** If the bike is not a strict restoration, evaluate modern forks like:- **YSS YZ125 Fork** (adjustable, reliable)
- ** hlins TTX** (high-performance, but pricier)
- **WP XPL** (durable, good for racing)
4. **Budget for Hidden Costs** Factor in the expense of **labor, additional parts, or professional rebuilding** if needed.
**Final Verdict:**If you are a **serious restorer** with the right skills and the bike holds **collector value**, this is a **solid purchase**. Otherwise, weigh the **cost vs. modern alternatives** before committing. Always prioritize **condition over nostalgia** a well-rebuilt original fork can be great, but a poorly maintained one may end up costing more in repairs.
Details:
1981 Yamaha YZ125 YZ125H Fork Upper Lower Triple Tree4V2-23340-L0-33 SW32E Limited OFFER High Quality Best Offers Fast Shipping tree for a dirt bike. Buyer pays all shipping costs. Large items may incur shipping costs. Fast Shipping Best Offers High Quality Triple tree for a Yamaha YZ125 dirt bike.
Unit is in good condition. Limited 1981 Yamaha YZ125 YZ125H Fork Upper Lower Triple Tree4V2-23340-L0-33 SW32E OFFER tree for a dirt bike.
part #: 4v223340l033 price
- $99.95
specifications mocycfra:
- for models: Yz125, Yz125h
- for makes: Yamaha
- for years: 1981
- mpn: 4v2-23340-l0-33
- part type: Fork
- machine type: Off-road Motorcycle
- material: Aluminum
- universal fitment: No
- placement on vehicle: Rear
payments mocycfra:
- other
- credit card: Mastercard
- wallet: Google-pay
offer mocycfra:
- best offers: True
- options: Ship-to-home
- sold: 0
- started: April 15, 2026
- availability: In Stock
- quantity: 1
general mocycfra:
- condition: Used
- Motorcycle Scooter Parts Accessories > Body Frame > Frames Parts
shipping mocycfra:
- carrier: USPS
- class: Standard
- cost: $8.37
- transit: 4-9 Days
- service: USPS Ground Advantage
- type: Calculated
returns mocycfra:
- paid by: Seller
- time: 30 Days
- policy: Returns Accepted
seller mocycfra:
- rating: 99.7%
- city: Aurora, Nebraska
- # reviews: 7368
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