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  3. SUZUKI 12670-37E00

SUZUKI 12670-37E00 Engine Powervalve Exhuast Valve Linkage Governor

fits model: Rm250. make: Suzuki. year: 1996.

12670-37e00 Suzuki 1996 Rm250 Oem Engine Powervalve Exhuast Valve Linkage Governor

( Manufacturer Part Number: 12670-37E00 ), ( Assembly: Yes ), ( Type: Power Valve Linkage Governor )

Review SUZUKI Oem Engine Powervalve Exhuast Valve Linkage Governor fits RM250 1996

The **Suzuki 12670-37E00 1996 RM250 Engine Powervalve Exhaust Valve Linkage Governor** is a meticulously engineered component designed to enhance the performance, reliability, and longevity of Suzuki s iconic RM250 racing motorcycle from the mid-1990s. This high-performance assembly combines critical elements of the engine s valve train system, including the **powervalve mechanism**, **exhaust valve linkage**, and **governor**, all of which work in unison to optimize airflow, throttle response, and engine efficiency. The powervalve system, a hallmark of Suzuki s advanced valve technology, dynamically adjusts valve lift and timing based on engine speed, ensuring peak power delivery across the rev range while minimizing friction and wear. The exhaust valve linkage, precision-machined and often featuring hardened components, ensures smooth and consistent valve operation, reducing the risk of valve float or premature failure under high-stress conditions. Meanwhile, the governor an essential part of the engine s speed regulation precisely controls RPM limits, preventing excessive wear and ensuring smooth acceleration while maintaining stability. Together, these components are engineered to deliver the raw, responsive power that made the RM250 legendary in motocross and off-road racing. Whether restoring a classic bike to factory specifications or upgrading an existing engine for improved performance, this assembly offers a direct route to restoring the RM250 s legendary performance characteristics with the durability and precision expected from Suzuki s high-performance parts. Built to exacting standards, this component is ideal for both restoration projects and performance enthusiasts seeking to reclaim the raw, aggressive spirit of the RM250.

### **Pros and Cons of Buying a 1996 Suzuki RM250 Engine (Part Number: 12670-37E00, Powervalve, Exhaust Valve Linkage, Governor)**

#### **Pros**

1. **Proven Reliability** The Suzuki RM250 engine, particularly from the mid-1990s, is well-regarded for its durability and performance in off-road applications. The Powervalve system (a variable valve timing mechanism) improves throttle response and power delivery, making it a favorite among motocross and enduro riders.

2. **High Performance** The engine produces strong power for its displacement (249cc), with a top-end performance that remains competitive even by modern standards. The exhaust valve linkage and governor ensure smooth operation under varying loads.

3. **Aftermarket Support** This engine is a classic in the off-road community, meaning there is a wide availability of parts, modifications, and tuning options. Rebuilding kits, performance upgrades, and replacement components are readily accessible.

4. **Classic Design** The RM250 s air-cooled, single-cylinder layout is simple yet effective. The Powervalve system, while complex, is a hallmark of Suzuki s engineering in the '90s and adds a unique character to the engine.

5. **Potential for Restoration** If the engine is in rough condition, it can often be restored to near-new performance with proper maintenance. Many enthusiasts enjoy the challenge of rebuilding and tuning these engines.

6. **Lower Cost Compared to Modern Engines** Purchasing a used RM250 engine (especially if it s in decent condition) is significantly cheaper than buying a new or modern off-road engine. This makes it an attractive option for budget-conscious builders.

7. **Community and Knowledge Base** The RM250 has a strong following, meaning there are plenty of forums, manuals, and experienced mechanics who can provide guidance on repairs, tuning, and modifications.

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#### **Cons**

1. **Age and Wear** A 1996 engine, even if well-maintained, will have accumulated wear over the years. Critical components like the Powervalve mechanism, valve springs, and bearings may require replacement if the engine has seen heavy use.

2. **Powervalve Complexity** The Powervalve system is sophisticated for its time and can be finicky. It requires precise tuning and may fail if not properly maintained. Rebuilding or repairing it can be labor-intensive and costly if done incorrectly.

3. **Fuel and Emissions Standards** Modern fuel contains higher ethanol content and additives that can degrade older engine components more quickly. If the engine hasn t been run recently, it may need a break-in period or fuel system cleaning.

4. **Limited Modern Compatibility** While the RM250 engine is versatile, some modern bikes or builds may require additional modifications to integrate it properly. Frame mounts, fuel systems, and electronics may not align seamlessly with newer components.

5. **Potential for Hidden Damage** Without a thorough inspection, there could be internal damage (e.g., bent valves, worn pistons, or cracked heads) that isn t immediately visible. A used engine purchase often comes with risk unless it s inspected by a trusted mechanic.

6. **Governor and Throttle Response** The governor system, while functional, may not be as precise as modern electronic throttle controls. Riders accustomed to modern bikes might find the throttle response less refined.

7. **Resale Value** Unlike modern engines, the RM250 s resale value is limited. If you plan to sell it later, you may not recover a significant portion of your investment.

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### **Conclusion**

The 1996 Suzuki RM250 engine (12670-37E00) is an excellent choice for riders who prioritize performance, reliability, and the thrill of working with a classic off-road engine. Its Powervalve system, strong power delivery, and aftermarket support make it a standout option for motocross, enduro, or custom builds. However, its age and complexity mean that it requires careful consideration especially regarding maintenance, potential repairs, and compatibility with modern systems.

If you re an experienced mechanic or enthusiast willing to invest time in rebuilding and tuning, this engine offers fantastic value. For beginners or those seeking a plug-and-play solution, a modern engine might be a safer bet.

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### **Recommendation**

- **Buy if:** You have experience with engine rebuilds, are building a custom bike, or are restoring a classic RM250/250X. Ensure the engine is inspected by a trusted mechanic before purchase, with a focus on the Powervalve, valves, and internal wear.

- **Avoid if:** You lack mechanical experience, need a reliable out-of-the-box engine, or are on a tight budget where modern engines offer better long-term reliability.

- **Best Approach:** Purchase from a reputable seller (e.g., a trusted private party or a dealer with a return policy). Consider getting a compression test and a basic inspection before committing. If possible, test-run the engine to ensure it starts and runs smoothly.

For most riders, this engine is a fantastic project piece but treat it as a labor of love rather than a turnkey solution.

Details:

1996 SUZUKI RM250 OEM ENGINE POWERVALVE EXHUAST VALVE LINKAGE GOVERNOR, This power valve linkage governor is in very good condition and shows normal signs of wear. Plastic clip on actuator has a minor burn spot as shown. Ready to install, and run!, Removed From: 1996 Suzuki RM250, Please review all pictures assess the condition of item. Still clips properly and holds Governor rod.

Overall good functional shape with minor wear.

part #: 1267037e00 prices

  • $80.96-$195.49

specifications valvemotorcycleaz:

  • for models: Rm250
  • for makes: Suzuki
  • for years: 1996
  • mpn: 12670-37e00
  • assembly: Yes
  • type: Power Valve Linkage Governor

shipping valvemotorcycleaz:

  • carrier: USPS
  • cost: $0.00
  • transit: 3-7 Days
  • class: Expedited
  • service: USPS Priority Mail
  • type: Fixed

offer valvemotorcycleaz:

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

payments valvemotorcycleaz:

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  • credit card: Mastercard
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returns valvemotorcycleaz:

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

seller valvemotorcycleaz:

  • city: Virginia Beach, Virginia
  • # reviews: 3743
  • rating: 99.9%

general valvemotorcycleaz:

  • condition: Used
  • Engines Engine Parts > Valvetrain Components > Engine Valves
for models: rm250, for makes: suzuki, for years: 1996, assembly: yes, type: power valve linkage governor,
category: motorcycle parts > engines engine parts > valvetrain components > engine valves, sku: 8649862125271741,
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