1. Motorcycle Body-Frame Parts For Sale
  2. sku: 12112692265202861
  3. KAWASAKI 34028-1050

KAWASAKI 34028-1050 Nos Step Lh

fits model: Kx250, Kx500. make: Kawasaki. year: 1983–1984.

34028-1050 Kawasaki Oem Nos Step Lh 83-84 Kx250 Kx500

( Manufacturer Part Number: 34028-1050 ), ( Vintage Part: Yes ), ( Country Of Origin: Japan )

Review KAWASAKI Oem Nos Step Lh fits KX250 KX500 1983–1984

The **Kawasaki 34028-1050 NOS Step LH 83-84 KX250/KX500** is a highly sought-after piece of off-road and racing history, embodying the raw power and innovative engineering that defined Kawasaki s dominance in the motocross and enduro scenes during the early 1980s. This genuine, never-used (NOS) step-through frame, originally designed for the legendary **KX250 and KX500** models, represents a rare and coveted component for both restorers and custom builders. Crafted from high-strength chromoly steel, the frame is a masterpiece of precision welding and machining, featuring a sleek, aerodynamic silhouette with a distinctive step-through design that allowed riders to mount and dismount with ease while maintaining optimal weight distribution. The **LH (Left Hand) orientation** ensures compatibility with right-side engine mounts, making it ideal for those looking to build or modify a classic Kawasaki dirt bike or even repurpose it for a custom project, such as a street-legal chopper or a high-performance trail bike. The **83-84 model year** designation marks a transitional period in Kawasaki s evolution, where the brand refined its suspension geometry, ergonomics, and structural rigidity to better handle the demands of aggressive racing and rough-terrain enduro riding. This frame is not merely a functional part it is a piece of automotive heritage, carrying the legacy of riders who pushed the boundaries of speed and control on the dirt. Whether integrated into a fully restored KX250 or KX500, used as a foundation for a custom build, or preserved as a collector s item, the **34028-1050 NOS Step LH frame** stands as a testament to Kawasaki s engineering prowess and the enduring appeal of classic off-road machinery. Its availability in NOS condition makes it a prized asset for enthusiasts who value authenticity, performance, and the thrill of reviving a piece of motorcycle history.

### **Pros and Cons of Buying a Kawasaki 1983-1984 KX250 and KX500 (Serial Numbers 34028-1050, Step LH)**

#### **Pros**

**1. Classic Off-Road Design and Performance**

- The KX250 and KX500 were pioneering trail bikes in the early 1980s, known for their aggressive, lightweight frames and strong off-road capabilities.

- The KX250 (250cc) was one of the first production bikes to feature a **single-sided swingarm**, improving handling and reducing weight.

- The KX500 (500cc) was a dominant motocross bike in its time, with a **two-stroke engine** that delivered high power-to-weight ratios, making it competitive against larger four-strokes of the era.

- Both models had **reliable air-cooled engines** with simple maintenance requirements, which were well-suited for the time.

**2. Strong Aftermarket Support**

- Kawasaki s early 1980s bikes have a **large aftermarket presence**, with readily available parts, upgrades, and restoration kits.

- Common modifications include **crankshaft upgrades, piston kits, and modernized carburetures** (e.g., Keihin or Mikuni conversions) to improve performance and reliability.

- Many classic KX parts are still produced by third-party manufacturers, ensuring long-term maintainability.

**3. Collectible and Nostalgic Value**

- As early motocross bikes, the KX250 and KX500 hold **collector appeal**, especially in well-preserved or restored condition.

- Original models with low mileage or in mint condition can appreciate in value, particularly among enthusiasts of classic dirt bikes.

- Owning one connects you to the **golden era of motocross**, when two-stroke engines dominated the sport.

**4. Affordable Entry into Classic Motocross**

- Compared to modern motocross bikes, these models are **far cheaper to purchase**, often ranging from **$1,500 to $5,000** depending on condition.

- Fuel and maintenance costs are minimal just **two-stroke oil and minimal lubrication** making them budget-friendly to run.

- They are **easier to modify** than modern bikes, allowing DIY enthusiasts to experiment with upgrades.

**5. Lightweight and Agile Handling**

- Both bikes were designed for **agility and quick handling**, traits that still translate well today, especially for riders who enjoy **lightweight trail or motocross riding**.

- The KX250 s **230 lb (104 kg) weight** and the KX500 s **260 lb (118 kg) weight** make them easier to maneuver than heavier modern bikes.

- The **steel frame construction** is durable and can be reinforced if needed.

**6. Simple Mechanics for Beginners**

- The **two-stroke engine design** is straightforward, making them **easier to learn on** than modern four-stroke bikes with complex electronics.

- Basic maintenance (oil changes, chain adjustments, valve adjustments) is **relatively simple** compared to modern bikes with fuel injection and advanced suspension systems.

---

#### **Cons**

**1. Age-Related Wear and Tear**

- Both bikes are **over 40 years old**, meaning **rust, worn-out suspension, and degraded components** are common issues.

- The **steel frame** may have **micro-cracks or fatigue**, especially if the bike has been ridden hard or stored improperly.

- **Bearings, bushings, and seals** will likely need replacement, as they degrade over time.

**2. Two-Stroke Limitations**

- **Poor fuel economy** two-stroke engines consume **mixed oil and gas**, leading to frequent refueling and waste.

- **Higher emissions** modern regulations make running them in some areas problematic, though they are typically exempt from strict off-road restrictions.

- **Less torque at low RPMs** compared to modern four-strokes, requiring more revving for power.

**3. Suspension and Braking Are Outdated**

- The **forks and shock** are **basic coil-over designs** by modern standards, lacking adjustability and durability.

- **Braking is minimal** early KX models had **drum brakes** (KX250) or **basic disc brakes** (KX500), which are weak compared to modern systems.

- **Tires** will need frequent replacement due to age and wear.

**4. Reliability Concerns**

- **Engine longevity** two-stroke engines in this era were **less refined** and prone to **piston slap, crankshaft wear, and cylinder damage** if not properly maintained.

- **Carburetion issues** early Keihin carburetures can **clog, leak, or lose adjustment** over time, requiring frequent tuning.

- **Electrical systems** (if present) may be **corroded or non-functional**, especially in older models.

**5. Limited Modern Comfort and Safety Features**

- **No ABS or traction control** modern safety features are absent, increasing the risk of accidents.

- **Poor ergonomics** early 1980s riding positions were **aggressive and less forgiving** than modern bikes, which can lead to discomfort on long rides.

- **No modern suspension travel** early KX models had **shorter suspension travel**, making them less forgiving on rough terrain compared to today s bikes.

**6. Parts Availability Can Be Inconsistent**

- While aftermarket support exists, **some original parts may be hard to find** if the bike is extremely rare or modified.

- **Replacement frames or major components** (e.g., a new swingarm) may require custom fabrication.

**7. Environmental and Legal Restrictions**

- **Two-stroke bikes are banned in some countries or regions** due to emissions, though they are often exempt from off-road restrictions in the U.S.

- **Noise regulations** may limit where you can ride, as these bikes are **loud by modern standards**.

**8. Resale Value Depends on Condition**

- If not well-maintained, these bikes **lose value quickly** and may become **project bikes** rather than reliable rides.

- **Restoration costs** can be high if major components (engine, frame, suspension) need replacement.

---

### **Conclusion and Recommendation**

#### **Who Should Buy This Bike?**

- **Classic bike enthusiasts** who appreciate the history and nostalgia of early motocross.

- **Budget-conscious riders** who want a **cheap, fun, and modifiable** bike for light trail riding or motocross.

- **DIY mechanics** who enjoy **restoring and upgrading** older bikes.

- **Riders who prioritize simplicity** over modern comfort and technology.

- **Collectors** looking to preserve or invest in a piece of motocross history.

#### **Who Should Avoid This Bike?**

- **Serious motocross competitors** modern bikes offer **superior power, reliability, and safety**.

- **Riders who value fuel efficiency and low maintenance** two-strokes are **expensive to run** and require frequent upkeep.

- **Those who prioritize comfort and modern features** ergonomics, suspension, and braking are **outdated**.

- **People who want a plug-and-play bike** these require **significant maintenance** to stay reliable.

- **Riders in areas with strict emissions laws** some regions may restrict or ban two-stroke bikes.

#### **Final Recommendation**

If you **find a well-documented, low-mileage example** (under 5,000 miles) in **good mechanical condition**, buying a **Kawasaki KX250 or KX500 from 1983-84** can be a **fun, rewarding, and affordable** project. However, **budget for restoration** expect to spend **$1,000 $3,000 ** on parts and labor if it s not already in running condition.

**Best for:**

**Light trail riding**

**Motocross practice (if not competing seriously)**

**Classic bike restoration**

**Nostalgic riding experience**

**Avoid if:**

You want a **modern, reliable, high-performance** bike.

You dislike **frequent maintenance and oil mixing**.

You need **comfortable, adjustable suspension and brakes**.

**Best Approach:**

- **Buy used but well-maintained** (check for rust, engine condition, and suspension).

- **Have a mechanic inspect it** before purchasing.

- **Plan for upgrades** (suspension, carburetion, tires) to improve reliability.

- **Enjoy the ride** these bikes are **iconic, fun, and a great way to connect with motocross history**.

If you re willing to put in the work, a **KX250 or KX500 from this era can be a fantastic addition to your collection or a fun weekend project bike**. If you want something **more modern and reliable**, consider a newer used dirt bike instead.

Details:

Model lists are for reference only and may not be complete. LISTING IS FOR ONE KAWASAKI OEM NOS 34028-1050 STEP,LH 83-84 KX250 KX500.

part #: 340281050 prices

  • $29.95-$53.95

specifications fendeframat:

  • for models: Kx250, Kx500
  • for makes: Kawasaki
  • for years: 1983-1984
  • mpn: 34028-1050
  • vintage part: Yes
  • country of origin: Japan

offer fendeframat:

  • quantity: 1
  • sold: 0
  • started: March 3, 2026
  • availability: In Stock
  • options: Ship-to-home

general fendeframat:

  • Motorcycle Scooter Parts Accessories > Body Frame > Other Body Frame
  • condition: New

returns fendeframat:

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

seller fendeframat:

  • city: Houston, Texas
  • rating: 97.3%
  • # reviews: 35

payments fendeframat:

  • other
  • credit card: Visa
  • wallet: Paypal

shipping fendeframat:

  • service: USPS Ground Advantage, FedEx 2Day, USPS Priority Mail
  • carrier: USPS, FedEx
  • type: Calculated
  • transit: 3-9 Days
  • cost: $5.52
  • class: Standard, Expedited
for models: kx250, kx500, for makes: kawasaki, for years: 1983-1984, vintage part: yes, country of origin: japan,
category: motorcycle parts > motorcycle scooter parts accessories > body frame, sku: 12112692265202861,
Kawasaki 34028-1050 Is Similar To:
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3 offers $29.95–$53.95 USD
  • New. Offer #1 priced at $32.20 + $9.42 shipping estimate = $41.62* total. Model lists are for reference only and may not be complete.+$9.42 shipping
  • Used. Offer #2 priced at $53.95 + $20.13 shipping estimate = $74.08* total. +$20.13 shipping
  • New. Offer #3 priced at $29.95 + $5.99 shipping estimate = $35.94* total. This is not trickery, or anything That being said, I am constantly getting new inventory and backfilling existing inventory.+$5.99 shipping

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