SBT 25-406 Wrist Pin Bearing 93310-422U2-00 XLT1200

( Brand: Sbt ), ( Manufacturer Part Number: 25-406 ), ( Part Type: Bearing Pin ), ( Country Of Origin: United States )

Review SBT Yamaha Wrist Pin Bearing fits GP800 GP1300 GP1200

The **Yamaha SBT 25-406 Wrist Pin Bearing (Part Number: 93310-422U2-00)** is a precision-engineered component designed to ensure optimal performance and longevity for high-performance motorcycle engines, specifically tailored for the **GP800, GP1300, XLT1200, and GP1200** models. This bearing is a critical part of the piston assembly, serving as the interface between the wrist pin and the connecting rod small end, allowing for smooth, low-friction articulation while withstanding extreme forces generated during high-speed operation. Crafted from high-grade **bearing steel**, this component is heat-treated and case-hardened to achieve exceptional durability, resistance to wear, and the ability to maintain structural integrity under the intense thermal and mechanical stresses of modern motorcycle engines. The **93310-422U2-00** bearing features a **sleeve-style design** with a **flanged outer ring**, ensuring proper alignment and secure retention within the connecting rod, while its **precision-machined inner diameter** guarantees a snug, interference-fit with the wrist pin, minimizing lateral play and preventing excessive wear over time. This bearing is engineered to operate seamlessly within Yamaha s **high-performance engine architectures**, where reliability and efficiency are paramount. Whether used in stock applications or as part of a performance upgrade, this component is designed to deliver consistent performance, reduce friction losses, and extend the lifespan of the piston and connecting rod assembly. For riders and mechanics seeking a direct-fit, OEM-quality replacement, the **Yamaha SBT 25-406 Wrist Pin Bearing** provides the perfect balance of strength, precision, and compatibility, ensuring that your motorcycle maintains peak mechanical integrity under demanding conditions.

### **Pros and Cons of buying a SBT 25-406 Yamaha Wrist Pin Bearing (93310-422U2-00) for GP800/GP1300/XLT1200/GP1200**

1. **Direct Fitment** The SBT 25-406 bearing is a high-quality aftermarket replacement designed specifically for Yamaha s GP800, GP1200, GP1300, and XLT1200 models, ensuring compatibility without modification.

2. **Improved Durability** SBT (Super Bearings Technology) bearings are known for their reinforced construction, often featuring hardened steel races and high-grade grease for extended wear compared to OEM parts.

3. **Reduced Wear & Noise** Many riders report smoother operation and reduced wrist pin noise after installing SBT bearings, especially in high-mileage or heavily ridden bikes.

4. **Easy Installation** The bearing comes pre-greased and is designed for straightforward replacement, requiring only basic tools and minimal disassembly.

5. **Cost-Effective Upgrade** While not as expensive as full crankshaft rebuilds, this bearing is significantly cheaper than OEM replacements, offering better performance for the price.

6. **Widely Available** SBT parts are sold by reputable aftermarket suppliers, ensuring availability and support if issues arise.

7. **Compatibility with Common Mods** Works well with other performance upgrades (e.g., crankshafts, pistons) without interference.

1. **Limited Longevity Compared to Full Crank Rebuilds** While an improvement over OEM, a single bearing replacement is not a permanent fix for severe wear. If the crankshaft or other components are degraded, the bearing may fail prematurely.

2. **No Warranty on OEM Parts** SBT bearings typically come with a limited warranty (often 1 2 years), but OEM parts may not have any, so failure could lead to unexpected costs.

3. **Potential for Misalignment** If installed incorrectly (e.g., improper seating or torque), the bearing could fail quickly or cause uneven wear on the crankshaft.

4. **Not a Complete Solution for Severe Damage** If the crankshaft is bent, scored, or worn beyond tolerance, replacing just the bearing may not resolve underlying issues.

5. **Price Sensitivity** While affordable, some riders may find the cost prohibitive if they need multiple bearings (e.g., both wrist pins) or additional related parts (e.g., seals, bolts).

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### **Conclusion**

The **SBT 25-406 Yamaha wrist pin bearing (93310-422U2-00)** is a **solid aftermarket upgrade** for riders experiencing wrist pin noise, play, or wear in their GP800, GP1200, GP1300, or XLT1200. It offers **noticeable improvements in smoothness and longevity** over OEM parts at a reasonable cost. However, it is **not a permanent fix** for bikes with severely damaged crankshafts or connecting rods those cases may require a **full crankshaft rebuild or replacement**.

If your bike has **mild to moderate wrist pin wear** (e.g., slight noise, minor play), this bearing is an **excellent cost-effective solution**. For **severe symptoms** (excessive noise, oil leaks, or visible damage), a **diagnostic check of the crankshaft and rods** is recommended before purchasing.

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### **Recommendation**

- You re experiencing **wrist pin noise or slight play** but the crankshaft appears intact.

- You want a **quick, affordable upgrade** without major disassembly.

- You re performing other maintenance (e.g., valve jobs, oil changes) and want to address the bearing proactively.

- The bike has **severe crankshaft wear** (visible scoring, bent rods, or excessive endplay). In this case, a **crankshaft rebuild kit** (e.g., from SBT, JE, or OEM) may be necessary.

- You re unsure about installation **consult a mechanic** to verify crankshaft condition before purchasing.

- You re on a tight budget **OEM bearings** (if available) may be cheaper, though less durable.

**Final Verdict:** The SBT 25-406 is a **reliable, high-quality replacement** for Yamaha GP-series wrist pin bearings, offering a **good balance of performance and cost**. For most riders with **mild to moderate issues**, it is the **best choice** over OEM parts. Always ensure proper installation and check for **underlying crankshaft health** to maximize its lifespan.

Details:

Wrist Pin Bearing Fits Yamaha 93310-422U2-00 GP800 GP1300 XLT1200 GP1200: Brand SBT, Part Number 25-406. Yamaha 1999 GP800. Yamaha 1999 XL1200 LTD. Compatible With: Yamaha 1998 GP800.

part #: 25406 prices

• $19.25-$157.75

specifications traiparboa:

• for models: Gp800, Gp1300, Gp1200
• for makes: Yamaha
• brand: Sbt
• mpn: 25-406
• part type: Bearing Pin
• country of origin: United States

payments traiparboa:

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

returns traiparboa:

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

seller traiparboa:

• city: 33770
• rating: 99.5%
• # reviews: 704

general traiparboa:

• Parts Accessories > Boat Parts > Trailer Parts
• condition: New

offer traiparboa:

• quantity: 5
• availability: In Stock
• sold: 0
• started: May 26, 2026
• options: Ship-to-home

shipping traiparboa:

• service: USPS Priority Mail
• transit: 2-4 Days
• type: Fixed
• cost: $12.50
• class: Expedited
• carrier: USPS

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