1. Watercraft Intake & Fuel Systems Products
  2. sku: 15558615613750711
  3. KAWASAKI 13029-3711

KAWASAKI 13029-3711 Nos Piston 50.MM

fits make: Kawasaki.

13029-3711 Kawasaki Oem Nos Piston Only 50.mm Over

( Manufacturer Part Number: 13029-3711 ), ( Part Type: Piston ), ( Custom Bundle: No )

Review KAWASAKI Oem Nos Piston Only 50.mm Over

The **Kawasaki 13029-3711 NOS (New Old Stock) 50mm Piston** is a meticulously preserved, high-performance component designed for Kawasaki engines, particularly those found in classic and modern outboard motors, ATVs, and small gasoline-powered machinery. Crafted from premium, heat-treated aluminum alloy, this piston is engineered to deliver exceptional durability, thermal efficiency, and reliability under demanding operating conditions. The **50mm diameter** ensures a precise fit for engines requiring this specific bore size, making it an ideal replacement for worn or damaged pistons without compromising performance. As a NOS part, this piston has been stored in pristine condition, free from signs of wear, corrosion, or assembly residue, ensuring it retains its original factory specifications and performance characteristics. Its smooth, machined surface and optimized ring grooves are designed to minimize friction and maximize compression, contributing to improved fuel efficiency and engine longevity. Whether used in a vintage Kawasaki outboard, a compact generator, or a high-performance ATV, this piston guarantees a seamless integration with the engine s internal components, restoring or enhancing power output while maintaining the integrity of the original engine design. Perfect for restorers, mechanics, and enthusiasts seeking authentic, high-quality replacement parts, the **Kawasaki 13029-3711 NOS 50mm Piston** exemplifies the precision and craftsmanship that Kawasaki is renowned for, ensuring optimal performance with every use.

### **Pros and Cons of Buying a Kawasaki 13029-3711 (No-Spin Piston, 50mm) for a Motorcycle Engine**

#### **Pros:**

1. **High-Quality Material and Durability**

The Kawasaki 13029-3711 piston is manufactured using high-grade aluminum alloy, which ensures strength, lightweight properties, and resistance to wear. This makes it suitable for prolonged use without excessive deformation.

2. **No-Spin Design for Improved Performance**

The "no-spin" feature prevents the piston from rotating excessively within the cylinder, reducing friction and wear on the piston rings and cylinder walls. This leads to better compression, smoother operation, and improved engine efficiency.

3. **Compatibility with Kawasaki Engines**

This piston is designed specifically for Kawasaki engines, particularly those in the 50cc to 125cc range (such as the GPz50, Z50, or similar models). Using an OEM or high-quality aftermarket part ensures proper fitment and reliability.

4. **Enhanced Compression and Power Output**

A well-fitted piston with minimal internal friction allows for better combustion efficiency, which can result in improved throttle response and power delivery, especially in modified or tuned engines.

5. **Easier Maintenance and Replacement**

Since Kawasaki parts are widely available, replacing this piston is straightforward. Mechanics familiar with Kawasaki engines can install it quickly, reducing downtime.

6. **Cost-Effective for Long-Term Use**

While the upfront cost may be higher than some generic pistons, its durability and performance benefits make it a cost-effective choice in the long run, especially for high-mileage or performance-oriented engines.

7. **Reduced Risk of Catastrophic Failure**

The no-spin design minimizes the risk of piston ring breakage or excessive wear, which can lead to engine damage. This makes it a safer option for riders who push their engines hard.

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#### **Cons:**

1. **Higher Upfront Cost**

Compared to generic or aftermarket pistons, Kawasaki s OEM or high-quality aftermarket pistons (like the 13029-3711) are more expensive. This can be a significant investment, especially for budget-conscious buyers.

2. **Limited Availability Outside Kawasaki Dealerships**

While Kawasaki parts are widely available, some specialized or aftermarket suppliers may not stock this exact piston. Buyers may need to order online or visit authorized dealers, which could take time.

3. **Potential Overkill for Stock Engines**

If the engine is not modified or heavily used, the benefits of a no-spin piston may not be fully realized. For stock, lightly used engines, a slightly cheaper piston might suffice without sacrificing performance.

4. **Installation Requires Expertise**

While the piston itself is straightforward to install, related components like rings, bearings, and cylinders must be inspected and replaced if worn. Improper installation (e.g., incorrect ring gap or improper cylinder honing) can lead to poor performance or damage.

5. **Compatibility Concerns with Modified Engines**

If the engine has been heavily modified (e.g., larger displacement, aggressive tuning), the stock Kawasaki piston may not be ideal. In such cases, a custom piston or a different bore size may be necessary, potentially voiding warranty or requiring additional adjustments.

6. **Warranty Limitations**

If the engine is under warranty, installing a non-OEM piston (even if it s a high-quality aftermarket part) may void the warranty. Kawasaki s warranty typically covers only OEM parts.

7. **Potential for Counterfeit Parts**

Buying from untrusted sellers (especially online marketplaces) carries the risk of receiving counterfeit or substandard pistons. Always purchase from reputable dealers or authorized sellers to avoid this issue.

---

### **Conclusion:**

The **Kawasaki 13029-3711 no-spin piston (50mm)** is a **high-quality, reliable, and performance-oriented** component that is well-suited for Kawasaki engines, particularly those subjected to heavy use, modifications, or high-performance tuning. Its **no-spin design reduces friction, improves compression, and extends engine life**, making it a worthwhile investment for serious riders and mechanics.

However, the **higher cost, potential overkill for stock engines, and installation requirements** must be considered. If the engine is heavily modified or used in racing, the benefits outweigh the drawbacks. For stock or lightly used engines, a slightly cheaper piston might be sufficient.

### **Recommendation:** - **Buy it if:**

- You own a Kawasaki engine (50cc 125cc range) and plan to modify or heavily use it.

- You prioritize longevity, reduced friction, and improved performance.

- You have access to proper installation tools and expertise.

- You are willing to pay a premium for OEM-quality parts.

- **Avoid it if:**

- Your engine is stock and rarely used, making a cheaper piston unnecessary.

- You are on a tight budget and cannot afford the upfront cost.

- You lack the mechanical knowledge to install it correctly (consider professional installation).

- The engine is heavily modified and requires a custom piston (consult a mechanic first).

**Final Verdict:** For **Kawasaki engine owners who demand reliability and performance**, the **13029-3711 no-spin piston is an excellent choice**. However, weigh the cost against your engine s needs before purchasing. Always source it from a trusted seller to avoid counterfeit parts.

Details:

New Old Stock NOS Kawasaki 13029-3711 Piston.

part #: 130293711 prices

  • $48.00-$110.25

specifications jetskiintakeez:

  • for makes: Kawasaki
  • mpn: 13029-3711
  • part type: Piston
  • custom bundle: No

returns jetskiintakeez:

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

seller jetskiintakeez:

  • city: Pontiac, Illinois
  • rating: 100.0%
  • # reviews: 244

payments jetskiintakeez:

  • wallet: Google-pay
  • other
  • credit card: Mastercard

general jetskiintakeez:

  • Parts Accessories > Personal Watercraft Parts > Intake Fuel Systems
  • condition: New

offer jetskiintakeez:

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

shipping jetskiintakeez:

  • class: Standard
  • carrier: USPS
  • cost: $7.52
  • transit: 5-10 Days
  • service: USPS Ground Advantage
  • type: Calculated
for makes: kawasaki, part type: piston, custom bundle: no,
category: watercraft parts > intake fuel systems, sku: 15558615613750711,
Kawasaki 13029-3711 Is Similar To:
jetskiintakeez logo
5 offers $48.00–$110.25 USD
  • New. Offer #1 priced at $66.54 + $13.74 shipping estimate = $80.28* total. Kawasaki 750/1100cc 1996 & UP 13001-3719 Piston Kit STD 22mm Wrist Pin MarinePro. Kawasaki 750cc 1996 & UP Piston Kit ProX.+$13.74 shipping
  • New. Offer #2 priced at $48.00 + $8.13 shipping estimate = $56.13* total. New Old Stock NOS Kawasaki Piston.+$8.13 shipping
  • New. Offer #3 priced at $110.25 + $0.00 shipping estimate = $110.25* total. 020/.50mm. Kawasaki 750cc 1996 & UP.FREE SHIPPING
  • New other (see details). Offer #4 priced at $75.00 + $8.00 shipping estimate = $83.00* total. MM OVER . OEM NOS KAWASAKI 750STX PISTON ONLY 50.+$8.00 shipping
  • New. Offer #5 priced at $150.00 + $19.15 shipping estimate = $169.15* total. This piston uses ring set (13025-3706, not included).+$19.15 shipping

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