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  3. HOT FOOT MOTO TORQUESPACER5

HOT FOOT MOTO TORQUESPACER5 Torque Reed Spacer Kit

fits model: Yfs, Yz, 200, 125, Blaster. make: Yamaha. year: 1984–2006.

Torquespacer5 Hot Foot Moto 1988-2006 Yamaha Blaster Yfs 200 And 84-87 Yz 125 Torque Reed Spacer Kit

( Brand: Hot Foot Moto ), ( Manufacturer Part Number: TORQUESPACER5 ), ( Part Type: Torque Spacer ), ( Country Of Origin: United States )

Review HOT FOOT MOTO Yamaha And Torque Reed Spacer Kit fits BLASTER YFS YZ 200 125 1984–2006

The **TorqueSpacer5** is a meticulously engineered, high-performance aftermarket kit designed to unlock the untapped potential of your **1988 2006 Yamaha FZR 600/750/1000, 1984 1987 Yamaha Blaster YFS 200, and 1984 1987 Yamaha YZ 125** engines, delivering a dramatic boost in torque, power, and throttle response while maintaining reliability and durability. This precision-crafted **torque reed spacer kit** is specifically tailored to address the inherent limitations of stock carbureted and reed valve systems in these iconic Yamaha models, allowing them to breathe deeper, rev smoother, and exhale with greater authority. By increasing the effective length of the intake tract, the TorqueSpacer5 enhances airflow velocity through the carburetor and reed valves, reducing backpressure and enabling the engine to draw in more fuel and air per cycle. This results in a noticeable mid-range torque surge, making acceleration feel more linear and responsive especially in the 600cc and 750cc FZR engines, where stock reed valves often act as a bottleneck under aggressive throttle application. For the **YFS 200 and YZ 125**, the kit fine-tunes the reed valve operation, improving low-to-midrange power delivery and reducing the "choke" effect that plagues stock setups, making these smaller engines feel more alive and capable of handling higher RPMs with confidence.

Beyond its performance benefits, the **TorqueSpacer5** is built with **high-grade materials**, including **anodized aluminum spacers** and **precision-machined components**, ensuring long-term reliability without compromising the integrity of the engine s reed valve assembly. Unlike generic aftermarket solutions, this kit is **engineer-approved** and designed to work seamlessly with stock carburetors (such as the **Pike, Mikuni, or Keihin** found in these models) without requiring extensive tuning or modification to the fueling system. Installation is straightforward, requiring only basic tools and a minimal amount of time, as the spacers simply replace the stock reed valve spacers while maintaining the same mounting points. This makes it an ideal choice for both **track-focused riders** looking to maximize lap times and **street riders** seeking a more engaging, spirited ride. Whether you're pushing a **Yamaha FZR 750** to its limits on a twisty road course or revving a **YFS 200** for a more aggressive street performance, the TorqueSpacer5 delivers measurable gains in **torque, throttle response, and overall engine efficiency** all while preserving the classic character and drivability of these legendary engines. For riders who demand more from their Yamaha without sacrificing reliability, the TorqueSpacer5 is the definitive solution to unlocking hidden performance potential.

### **Pros and Cons of Buying a Torque Reed Spacer Kit for the Specified Motorcycles**

#### **Moto TorqueSpacer5 (1988 2006 Yamaha Blaster YFS 200) / YZ 125 (1984 1987)**

A torque reed spacer kit is designed to increase torque and power by altering the timing of the reed valve operation in two-stroke engines. Below are the key advantages and disadvantages of installing one in your specified Yamaha Blaster YFS 200 or YZ 125.

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### **Pros**

1. **Increased Torque and Power**

- The primary benefit is a noticeable boost in low-to-mid-range torque, which can improve acceleration and throttle response. This is particularly useful for street bikes where smooth power delivery is desirable.

- Some riders report a 5 15% increase in horsepower, depending on tuning and engine condition.

2. **Better Throttle Response**

- The delayed reed valve opening helps smooth out power delivery, reducing the "jerkiness" often associated with stock two-stroke engines, especially in stocker bikes.

3. **Improved Fuel Efficiency (In Some Cases)**

- A smoother power curve can lead to more efficient combustion, though this is not guaranteed and depends on other modifications.

4. **Retains Stock Feel with Modifications**

- Unlike aggressive camshafts or crankshafts, a torque reed spacer is a relatively subtle modification that doesn t drastically alter the engine s character. It can be a good starting point for tuning before moving to more aggressive mods.

5. **Easy to Install**

- The installation process is straightforward, typically requiring only basic tools. No major disassembly is needed, and it can often be done in under an hour.

6. **Affordable Upgrade**

- Compared to other performance modifications (e.g., porting, crankshafts, or full camshafts), a torque reed spacer is relatively inexpensive, making it an accessible option for budget-conscious riders.

7. **Works Well with Stock Engines**

- Unlike high-revving mods that require significant tuning, the torque reed spacer can be installed on a stock engine without immediate need for additional adjustments (though carb tuning may be beneficial).

8. **Minimal Wear on Engine Components**

- Since it doesn t drastically alter valve timing or compression, it reduces the risk of premature wear on pistons, rings, or bearings compared to more aggressive mods.

---

### **Cons**

1. **Limited Power Gain at High RPMs**

- The torque reed spacer primarily benefits low-to-mid-range power. At high RPMs, the gains are minimal, and the engine may still feel underpowered compared to more aggressive mods like a high-revving crankshaft or camshaft.

2. **Requires Carb Tuning for Optimal Results**

- Simply installing the spacer won t yield maximum benefits. The carburetor (or fuel injection, if applicable) must be adjusted to compensate for the altered timing. This may require a visit to a tuner or carb specialist, adding to the cost.

3. **Not a "Set-and-Forget" Mod**

- While easier than some mods, it still requires some understanding of two-stroke tuning. Misfires or rough running can occur if the carb isn t properly adjusted, especially if the bike is already modified in other ways.

4. **May Not Suit All Riding Styles**

- If you primarily ride at high RPMs (e.g., track or aggressive street riding), the benefits may be less noticeable. For cruising or city riding, the smoother power delivery is more apparent.

5. **Potential for Increased Exhaust Restriction (If Not Paired Properly)**

- The torque reed spacer works best when paired with a slightly restricted exhaust system to match the altered timing. Installing it with a free-flowing exhaust (e.g., a high-performance muffler) can lead to rough running or power loss.

6. **Dependent on Engine Condition**

- If the engine is worn (e.g., leaking compression, worn pistons, or valves), the gains from the spacer will be less significant. A healthy engine is required to see meaningful improvements.

7. **Not a Cure for Weak Stock Engines**

- The YFS 200 and YZ 125 are known for being underpowered stock. While the spacer helps, it won t turn them into high-performance machines without additional mods (e.g., crankshaft, camshaft, or porting).

8. **May Void Manufacturer Warranty (If Applicable)**

- Aftermarket modifications like this can void any remaining warranty on the bike, though this is rarely an issue for older models like these.

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### **Comparison to Other Mods**

- **Vs. Stock Engine:** The spacer provides a noticeable upgrade over stock timing, especially for cruising.

- **Vs. High-Revving Crankshaft:** The spacer is more about low-end torque, while a high-revving crankshaft focuses on top-end power.

- **Vs. Camshaft:** A camshaft offers more aggressive power delivery, but the spacer is a gentler, more balanced approach.

- **Vs. Porting/Head Work:** Porting provides more airflow but is a more invasive and expensive mod. The spacer is a simpler, less permanent solution.

---

### **Conclusion**

A torque reed spacer kit is a **solid, affordable modification** for riders looking to improve low-end torque and throttle response on their Yamaha Blaster YFS 200 or YZ 125. It s an excellent starting point for tuning a stock or lightly modified two-stroke engine, offering noticeable benefits without requiring major overhauls.

However, it is **not a magic fix** it won t turn a weak stock engine into a high-performance machine. The gains are most apparent in **cruising, city riding, or light track use**, where smooth power delivery is valued. For **high-RPM or aggressive riding**, additional mods (e.g., crankshaft, camshaft, or exhaust) will be necessary.

If you re looking for a **simple, cost-effective way to make your bike feel more responsive** without drastic changes, the torque reed spacer is a **highly recommended first step**. Pair it with **carb tuning and a slightly restricted exhaust** for the best results.

For riders who want **more power**, the spacer should be followed by other mods (e.g., a high-revving crankshaft, porting, or a more aggressive camshaft). But for those who just want a **smoother, more enjoyable ride**, it s an excellent choice.

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### **Final Recommendation**

**Buy the torque reed spacer kit if:**

- You want a **simple, affordable way to improve low-end torque** on your YFS 200 or YZ 125.

- You plan to **tune the carburetor** afterward for optimal performance.

- You ride mostly at **moderate speeds** (cruising, city, or light track).

- You re looking for a **gentle first step** before considering more aggressive mods.

**Avoid or reconsider if:**

- You expect **drastic power gains** this is a modest upgrade.

- You plan to **ride aggressively at high RPMs** without additional mods.

- Your engine is **severely worn**, as the gains will be minimal.

- You re on a **tight budget** and can t afford carb tuning or exhaust adjustments.

**Best Approach:**

1. Install the torque reed spacer.

2. Have the carburetor tuned to match the new timing.

3. Consider pairing it with a **slightly restricted exhaust** (e.g., a stock or slightly muffled system) for best results.

4. If more power is desired, progress to **crankshaft, camshaft, or porting mods**.

For most riders, the torque reed spacer is a **worthwhile investment** that enhances rideability without requiring a major engine overhaul.

Details:

CNC machined aluminum. Kit includes 2 gaskets and stainless Allen bolts. If your air boot has shrunk with age, this is a great way to get everything fit snug again. 6mm thick plate.

Insert spacer between cylinder and reed valve. Simple but effective way to shift the torque curve favor low mid-range band of rev range.

specifications intakefuelmotorcycle:

  • for models: Yfs, Yz, 200, 125, Blaster
  • for makes: Yamaha
  • for years: 1984-2006
  • brand: Hot Foot Moto
  • mpn: Torquespacer5
  • part type: Torque Spacer
  • country of origin: United States

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  • # reviews: 14473
  • city: Gagetown, Michigan
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  • Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Other Air Intake Fuel Delivery
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for models: yfs, yz, 200, 125, blaster, for makes: yamaha, for years: 1984-2006, part type: torque spacer, country of origin: united states,
category: motorcycle parts > motorcycle scooter parts accessories > air intake fuel delivery, sku: 23521765003451711,
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