MOTO TASSINARI MT-1010-521771 Gasket JS300-A

( Brand: Moto Tassinari ), ( Manufacturer Part Number: MT-1010-521771 ), ( Part Type: Gasket )

Review MOTO TASSINARI Replacement Gasket V force Kawasaki fits FORCE SX 300 1987–1991

The **Moto Tassinari MT-1010-521771 Gasket V-Force for Kawasaki 300 SX/JS300-A (1987 1991)** is a meticulously engineered, high-performance replacement gasket designed to restore peak efficiency and reliability to the cylinder head and engine block of your classic Kawasaki 300 SX or JS300-A. Crafted from Moto Tassinari s proprietary **V-Force** material a premium blend of reinforced synthetic rubber and high-temperature-resistant compounds this gasket ensures an airtight, vibration-resistant seal that resists oil leakage, coolant intrusion, and compression loss, even under the demanding conditions of aggressive riding or high-performance modifications. The gasket features precision-machined, laser-cut edges and strategically placed reinforcement ribs to accommodate the unique cylinder head and block contours of the 1987 through 1991 JS300-A models, including the 300 SX variants, eliminating the risk of warping or premature failure. Ideal for both restoration projects and routine maintenance, this gasket is compatible with both stock and aftermarket cylinder heads, making it a versatile solution for enthusiasts seeking to preserve the integrity of their engine s critical sealing surfaces. Its durable construction and compatibility with modern lubricants ensure long-term performance, while the brand s reputation for precision engineering guarantees a perfect fit and a seamless installation process. Whether you re tackling a full rebuild or simply addressing a persistent oil leak, the Moto Tassinari MT-1010-521771 V-Force gasket delivers the durability and reliability needed to keep your Kawasaki s powerhouse running at its best.

### **Pros and Cons of buying a Moto Tassinari MT-1010-521771 Gasket for a Kawasaki 300 SX/JS300-A (1987 1991)**

1. **High-Quality Material** Moto Tassinari is a well-regarded brand known for producing durable, high-performance gaskets. Their products are often made from reinforced materials that resist heat, pressure, and wear, which is critical for high-revving engines like the Kawasaki 300 SX/JS300-A.

2. **Precision Fitment** The MT-1010-521771 is specifically designed for the 1987 1991 Kawasaki 300 SX/JS300-A, ensuring an accurate fit without gaps or misalignment. This reduces the risk of leaks and improves sealing efficiency.

3. **Compatibility with Performance Mods** If you plan to modify your bike (e.g., upgrading the camshaft, crankshaft, or cylinder), a high-quality gasket like this one helps maintain proper compression and prevents oil leaks, which can be common in modified engines.

4. **Ease of Installation** Moto Tassinari gaskets are typically pre-cut and designed for straightforward installation, reducing the risk of mistakes during assembly. This is helpful for both experienced mechanics and DIYers.

5. **Long-Term Reliability** Proper gasket installation prevents long-term issues like oil consumption, coolant leaks, or cylinder head warping, which can be costly to repair if neglected.

6. **Widely Available Support** Moto Tassinari has a strong reputation in the off-road and racing community, meaning you can easily find installation guides, reviews, or support if needed.

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1. **Cost** High-quality gaskets like this one are more expensive than generic or aftermarket alternatives. If you're on a tight budget, you may need to weigh the long-term benefits against the upfront cost.

2. **Potential for Overkill (If Not Needed)** If your bike is running perfectly with the original gaskets (assuming they re still intact), replacing them solely for preventive maintenance may not be necessary unless you re preparing for heavy use or modifications.

3. **Installation Skill Required** While the gasket itself is easy to install, improper surface preparation (e.g., not cleaning the mating surfaces properly) can lead to leaks. If you re not experienced with engine work, you may need to pay a mechanic for installation.

4. **Limited Availability in Some Regions** Depending on where you live, Moto Tassinari parts may not be as easily accessible as other brands. You might need to order online, which could involve shipping delays.

5. **Not a "One-Size-Fits-All" Solution** If you plan to further modify your engine (e.g., porting the head, changing the crankshaft), you may need additional gaskets or seals beyond just the cylinder head gasket. Ensure you re not buying just one part without considering the full scope of your project.

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### **Conclusion**

The **Moto Tassinari MT-1010-521771 gasket** is an excellent choice for a **1987 1991 Kawasaki 300 SX/JS300-A**, especially if you prioritize reliability, performance, and longevity. Its high-quality construction and precise fitment make it a strong investment for both stock and lightly modified engines. However, if your bike is in good condition and you re not planning major modifications, the cost may not be justified.

For **stock or lightly used bikes**, consider whether the gasket is truly needed or if the existing one is still functional. For **high-mileage, modified, or performance-oriented bikes**, this gasket is a worthwhile upgrade to prevent leaks and maintain engine integrity.

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### **Recommendation**

- You re rebuilding or overhauling your engine.

- You ve noticed signs of wear (oil leaks, compression loss, or overheating).

- You plan to modify your bike and want reliable sealing.

- You value long-term reliability over short-term cost savings.

- Your bike is running fine with the original gasket.

- You re on a tight budget and don t plan immediate modifications.

- You re unsure about your ability to install it properly (consider a mechanic for installation).

**Final Verdict:** For the **Kawasaki 300 SX/JS300-A (1987 1991)**, the **Moto Tassinari MT-1010-521771 gasket** is a **strong, high-quality option** that justifies its cost for serious riders. If you re unsure, check for signs of gasket failure (blowby, oil leaks, coolant mixing) before deciding. If you do proceed, ensure proper surface preparation and installation to maximize its lifespan.

Details:

I need to exchange an item. This is helpful if you are buying multiple items. Moto Tassinari Replacement Gasket V-force Kawasaki 300 SX JS300-A 1987 -1991: Gasket Series: V-force Contains: One Gasket, Actual Contents may Vary From Photo, Original replacement gaskets for the Force reed valve system by.: Brand: MOTO TASSINARI, model Number: MT-1010-521771.

Parts without fitment are to be assumed universal and may require vehicle modification. Kawasaki JS300-B 1986-1988.

part #: mt1010521771 price

• $62.72

specifications intakefuelmotorcycle:

• for models: Sx, 300, Force
• for makes: Kawasaki
• for years: 1987-1991
• brand: Moto Tassinari
• mpn: Mt-1010-521771
• part type: Gasket

returns intakefuelMotorcycle:

• paid by: Seller
• time: 30 Days
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• started: March 6, 2026
• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 3

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general intakefuelMotorcycle:

• condition: New
• Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery

seller intakefuelMotorcycle:

• rating: 99.8%
• # reviews: 79246
• city: Indiana, US

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