KAWASAKI 33040-045 Ke Chain Adjusters Kd 175

( Manufacturer Part Number: 33040-045 ), ( Machine Type: 2 Stroke ), ( Color: Silver ), ( Compatible Model: Ke100, Ke175, Ke250 ), ( Material: Steel ), ( Materials Sourced From: Japan ), ( Vintage Part: Yes ), ( Modified Item: No ), ( Placement On Vehicle: Rear, Rear Wheel ), ( Type: Lever Holder Boot ), ( Compatible Year: 1979, 1978, 1977, 1976, 1975 )

Review KAWASAKI Ke 100 175 Oem Chain Adjusters Kd fits KX 250 125 1976–1990

The **Kawasaki 33040-045 KE175/250 Chain Adjuster** is a precision-engineered component designed exclusively for Kawasaki s classic off-road and dual-sport motorcycles, including the iconic **KD125, KX125, and KX90** models from the late 1970s, spanning production years **1976 through 1979**. This high-quality chain adjuster is a critical part of the motorcycle s drivetrain, ensuring smooth, reliable power transfer from the engine to the rear wheel while maintaining optimal chain tension and alignment. Crafted from durable, heat-treated steel, the adjuster is built to withstand the rigors of off-road riding, where vibrations, debris, and heavy loads can quickly wear out inferior components. Its robust construction features a **smooth, threaded rod** that interfaces seamlessly with the motorcycle s swingarm and sprocket assembly, allowing for precise adjustments to compensate for chain stretch or wear over time. The adjuster is designed to fit the **KE175 and KE250** engine configurations, which were commonly found in Kawasaki s mid-sized dual-sport and trail bikes of the era, ensuring compatibility with both the **KD125** and its slightly larger sibling, the **KX125**. For collectors and restorers seeking authenticity, this part is a direct OEM replacement, maintaining the original fit, finish, and performance standards Kawasaki demanded in its legendary off-road machines. Whether used in a showroom-worthy restoration or a ruggedly modified trail bike, this chain adjuster delivers the reliability and precision needed to keep the drivetrain in peak condition, ensuring a seamless riding experience on and off the pavement.

### **Pros and Cons of Buying Kawasaki 33040-045 Chain Adjusters (1976 1979 KD/KX 125/90)**

1. **Universal Fit** The part number **33040-045** is designed for multiple Kawasaki models, including the **KD 125/90, KX 125/90, and other early off-road bikes** from **1976 1979**. This makes it a cost-effective solution if you own or work on multiple similar models.

2. **Reliability** Kawasaki parts, especially those from the late 1970s, were built to last when properly maintained. A genuine or high-quality aftermarket chain adjuster ensures smooth chain operation, reducing wear on sprockets and the chain itself.

3. **Prevents Chain Slippage & Damage** A properly adjusted chain prevents excessive slack, which can cause **chain stretch, derailleur misalignment, or even chain breakage**. This part helps maintain proper tension, extending the life of the drivetrain.

4. **Easy Installation** Chain adjusters are relatively simple to install, requiring basic tools. Most riders can replace or adjust them without professional help, saving labor costs.

5. **Compatibility with Classic Restorations** If you re restoring or maintaining a vintage Kawasaki, using an **OEM or high-quality replica** part ensures authenticity and proper fit, which is important for collectors and enthusiasts.

6. **Cost-Effective Alternative to Full Drivetrain Replacement** Ignoring chain tension issues can lead to **expensive sprocket replacements or chain failure**. A chain adjuster is a small, inexpensive fix compared to major drivetrain repairs.

7. **Improves Performance & Safety** A well-adjusted chain ensures **consistent power transfer**, better throttle response, and reduces the risk of sudden chain failure while riding.

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1. **Aging Stock Availability** Since these parts are **over 40 years old**, finding a **genuine Kawasaki OEM part** may be difficult. You might need to rely on **aftermarket replicas, eBay, or specialty motorcycle parts dealers**, which could be slightly more expensive or lower quality.

2. **Potential Counterfeit Parts** Due to demand for vintage parts, some sellers may offer **fake or low-quality replicas**. Buying from **unverified sources** could result in a poorly made part that fails prematurely.

3. **Wear Over Time** Even if the adjuster is new, the **chain, sprockets, and derailleur** may already be worn. Replacing just the adjuster won t fix underlying issues you may need to **replace the chain, sprockets, or derailleur** as well for long-term reliability.

4. **Rust & Corrosion Risks** Older parts, especially those stored for decades, may have **rust or seized components**. Inspecting the adjuster before installation is crucial to avoid installation issues.

5. **Limited Customization** Unlike modern adjusters, these older parts may not offer **adjustable tensioner springs or quick-release mechanisms**, making fine-tuning tension slightly more difficult.

6. **Potential for Misalignment** If the **derailleur or sprocket alignment is off**, even a new adjuster may not provide the best results. Proper **wheel truing and sprocket alignment** are necessary for optimal performance.

7. **Replacement Costs May Add Up** While the adjuster itself is cheap, if you need to **replace the chain, sprockets, or derailleur** at the same time, the total cost could be higher than expected.

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### **Conclusion & Recommendation**

The **Kawasaki 33040-045 chain adjuster** is a **practical and necessary part** for maintaining your **1976 1979 KD/KX 125/90**, especially if you want to avoid **chain stretch, derailleur damage, or drivetrain failure**. While it s a **small, inexpensive fix**, its importance in **preventing major repairs** makes it a **wise investment** for any rider keeping these bikes in running condition.

1. **Buy from a Reputable Source** If possible, purchase from a **Kawasaki dealer, specialty motorcycle parts store, or a trusted online seller** (e.g., **Classic Motorcycle Parts, eBay with verified feedback, or a local bike shop**). Avoid unknown sellers offering parts at suspiciously low prices.

2. **Check for Authenticity** If buying a **replica or aftermarket part**, ensure it s made from **high-quality steel** and has **proper threading and fit**. Some cheap knockoffs can strip threads or fail quickly.

3. **Inspect the Entire Drivetrain** While replacing the adjuster is a good start, **check the chain s stretch (should be inch of slack at the longest point), sprocket wear, and derailleur condition**. If the chain is **stretched beyond repair**, replace it with a **new or rebuilt one** (OEM or aftermarket, like **Dainese, PowerGrip, or OEM replicas**).

4. **Lubricate Regularly** Even with a good adjuster, **dry chains cause excessive wear**. Use a **high-quality chain lube (e.g., Motul, Tri-Flow, or Liquid Wrench)** and clean the chain **every 50 100 hours** of riding.

5. **Consider a Full Drivetrain Upgrade for Restoration Projects** If you re **restoring a bike for daily use or competition**, investing in a **new chain, sprockets, and derailleur** (even if they re **OEM replicas**) will **eliminate long-term issues** and improve performance.

6. **Document the Work** If you re restoring a **vintage bike**, keep records of **parts used and maintenance performed**. This helps with **future repairs, resale value, or insurance claims**.

- **For a quick fix & maintenance:** **Buy the Kawasaki 33040-045 adjuster** (or a high-quality replica) and **replace the chain if stretched**.

- **For a full restoration:** **Replace the adjuster, chain, sprockets, and derailleur** for **long-term reliability**.

- **For budget-conscious buyers:** **Prioritize the adjuster and chain**, then upgrade other components as needed.

**Yes, buy the Kawasaki 33040-045 chain adjuster** it s a **small but crucial part** that prevents **costly drivetrain failures**. Just **supplement it with proper chain maintenance and consider a full drivetrain refresh** if the bike is used frequently or restored for performance. Always **source parts from trusted sellers** to avoid counterfeit or low-quality replacements.

Details:

This is a set of used original Genuine OEM left and right chain adjusters oem bolt off 1978 KE 100. They should fit numerous model's and years of Kawasaki bikes from the 1970 They are undamaged and in great condition. Part number 33040-046 and 34040-045.

But as I said they should work on many different Kawasaki's from the 1970s I m not sure how.

part #: 33040045 prices

• $12.95-$20.00

specifications cyclevintagee:

• for models: Kx, 250, 125
• for makes: Kawasaki
• for years: 1976-1990
• mpn: 33040-045
• machine type: 2 Stroke
• color: Silver
• compatible model: Ke100, Ke175, Ke250
• material: Steel
• materials sourced from: Japan
• vintage part: Yes
• modified item: No
• placement on vehicle: Rear, Rear Wheel
• type: Lever Holder Boot
• compatible year: 1979, 1978, 1977, 1976, 1975

returns cyclevintagee:

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

offer cyclevintagee:

• availability: In Stock
• started: March 25, 2026
• quantity: 1
• options: Ship-to-home
• best offers: True
• sold: 0

general cyclevintagee:

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

seller cyclevintagee:

• # reviews: 8479
• rating: 100.0%
• city: Iron City, Tennessee

shipping cyclevintagee:

• type: Fixed
• cost: $8.50
• carrier: USPS
• service: USPS Ground Advantage
• class: Standard
• transit: 4-10 Days

payments cyclevintagee:

• other
• credit card: Diners-club
• wallet: Apple-pay

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