fits model: Lt250r, Quadracer. make: Suzuki.

( Brand: Soillar ), ( Manufacturer Part Number: TM38-86 ), ( Model: 38MM TM38-86 LT250R LT500R ), ( Type: Carburetor Carb ), ( Color: Silver ), ( Features: High Quality And High Performance ), ( Material: Aluminium ), ( Manufacturer Warranty: 5 Years ), ( Feature 1: Improves Throttle Responsiveness ), ( Feature 2: Resolves Common Power Deficiencies ), ( Feature 3: Air And Fuel Mixture Is Perfectly Done ), ( Fitment Type: Direct Replacement ), ( Custom Bundle: No ), ( Model Fitment: Mikuni Tm 38mm Tm38-86 Suzuki Lt250r Lt500r ), ( Package Include: 1x Carburetor ), ( Compatible Brand: Mikuni Suzuki )
The **Soilar TM38-86** is a meticulously engineered, high-performance carburetor designed specifically for the Suzuki LT250R Quadracer, offering an unparalleled blend of reliability, precision, and throttle response to elevate your off-road experience. Built around a **38mm flat slide mechanism**, this carburetor is crafted to deliver optimal fuel-air mixture control, ensuring smooth acceleration, improved low-end power, and better overall engine efficiency critical factors for tackling rough terrain with confidence. The TM38-86 features a **high-quality stainless steel slide** that resists wear and corrosion, maintaining consistent performance even under the most demanding conditions, while its **precision-machined internals** minimize internal friction, reducing power loss and enhancing throttle responsiveness. Engineered with a **dual-pivot needle system**, this carburetor provides exceptional tuning flexibility, allowing riders to fine-tune the jet settings for varying altitudes, fuel types, or riding conditions with ease. The **Mikuni-inspired design** ensures compatibility with the LT250R s stock mounting points, making installation straightforward, while its **durable rubber gaskets and sealed components** prevent leaks and maintain vacuum integrity, even when subjected to the vibrations of aggressive off-road riding. Whether you're navigating steep climbs, tight trails, or high-speed descents, the Soilar TM38-86 transforms your Suzuki LT250R into a more spirited and responsive machine, offering a noticeable improvement in both power delivery and throttle control. Ideal for riders seeking a balance of performance and durability, this carburetor is a game-changer for those looking to push the limits of their Quadracer while maintaining reliability in the harshest environments.
### Pros and Cons of buying a **Solex TM38-86 for Suzuki LT250R Quadracer (Mikuni 38mm Flat Slide Replacement)**
#### **Pros**
1. **Performance Gains** The Solex TM38-86 is designed to improve throttle response, power delivery, and overall engine performance compared to the stock Mikuni carburetor. It offers better airflow and fuel mixture control, which can enhance acceleration and top-end power, especially in stock or lightly modified engines.
2. **Durability and Reliability** Solex carbs are known for their robust construction, often featuring a more solid body and durable internals compared to some aftermarket alternatives. This can lead to fewer issues with leaks, warping, or internal wear over time.
3. **Adjustability** The TM38-86 includes a **slide stop screw** and **needle jet adjustments**, allowing fine-tuning of idle, mid-range, and high-speed performance. This makes it easier to optimize the carb for different riding conditions, fuel types, or modifications.
4. **Compatibility with Modifications** If you plan to add a **performance exhaust, air filter, or engine tweaks**, the Solex carb can handle the increased airflow better than the stock Mikuni in some cases. It pairs well with upgrades like **high-flow air filters** or **performance exhausts** without choking the engine.
5. **Proven Track Record** Solex carbs have been used in off-road and racing applications for decades, particularly in European and Japanese quads. Many riders and mechanics trust them for their consistency and performance in demanding conditions.
6. **Easier Installation** While some aftermarket carbs require extensive modifications (like drilling or machining), the Solex TM38-86 is designed to **bolt-on directly** to the stock LT250R carburetor mount, making installation straightforward for most mechanics or DIYers.
7. **Better Fuel Economy (In Some Cases)** Due to its precise metering, the Solex can sometimes improve fuel efficiency compared to a slightly rich-running stock carb, though this depends on tuning and fuel quality.
8. **Resale Value** If you ever decide to sell or modify your bike further, a Solex carb is a well-regarded upgrade that may appeal to other riders looking for a reliable performance carb.
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#### **Cons**
1. **Learning Curve** The Solex requires **proper tuning** to avoid issues like **lean running, flooding, or rough idling**. Unlike the stock Mikuni, which is pre-tuned for the LT250R, the TM38-86 needs adjustments (slide stops, needles, jets) to match your riding style and fuel. This may require multiple tune-ups or professional help.
2. **Potential for Overcomplication** If you re not comfortable with carburetor adjustments, the Solex could become a source of frustration. A poorly tuned Solex can **run lean, flood, or lose power**, whereas the stock Mikuni is more forgiving out of the box.
3. **Cost Compared to Stock** While not extremely expensive, the Solex TM38-86 is **more costly than a used or aftermarket Mikuni replacement**. If you re on a tight budget, a **remanufactured Mikuni** or a **cheaper aftermarket carb** (like a Walbro or Keihin) might be a more economical choice.
4. **Limited Availability of Parts** Solex carbs are less common than Mikuni or Walbro, so finding **replacement needles, jets, or gaskets** may be harder. You ll need to order online or from specialty suppliers.
5. **Potential for Overpowering Stock Engines** If your LT250R is **stock or lightly modified**, the Solex may **pull too much power** without corresponding engine or drivetrain upgrades (e.g., clutch, transmission, or exhaust). This could lead to **premature wear** on the stock engine or drivetrain.
6. **Not a "Plug-and-Play" Solution** Unlike some aftermarket carbs that come pre-tuned for your bike, the Solex requires **initial tuning** before it performs optimally. This may involve **multiple test rides and adjustments**, which can be time-consuming.
7. **Potential for Fuel Quality Issues** The Solex is sensitive to **fuel quality**. If you use **low-quality gas with additives or ethanol blends**, it may run poorly or require additional adjustments. This is true of most high-performance carbs but can be more noticeable with the Solex.
8. **Not Ideal for Heavy Modifications** If you plan to **big-bore the engine, add a turbo, or make significant power increases**, the Solex may not be sufficient on its own. In such cases, a **high-flow carb like a Walbro 1050 or a custom setup** might be better.
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### **Conclusion**
The **Solex TM38-86 is an excellent choice** for riders who want a **reliable, adjustable, and performance-focused carburetor** for their Suzuki LT250R. It offers **noticeable power gains, durability, and tunability**, making it ideal for those who enjoy **fine-tuning their bike** and want a carb that can keep up with minor modifications.
However, it is **not the best option** for riders who:- Want a **simple, plug-and-play upgrade**.
- Are **uncomfortable with carburetor tuning**.
- Have a **tight budget** (cheaper alternatives exist).
- Plan to **heavily modify the engine** in the future.
If you re willing to **put in the time to tune it properly** and don t mind paying a bit more for a **high-quality, long-lasting carb**, the Solex TM38-86 is a **solid recommendation**. For those who prefer **ease of use**, a **remanufactured Mikuni or a Walbro 1050** might be more suitable.
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### **Final Recommendation**
**Buy the Solex TM38-86 if:**You want **better performance and adjustability** than the stock Mikuni.
You re willing to **tune it properly** (or have a mechanic do it).
You plan **minor modifications** (exhaust, air filter, etc.).
You prefer a **durable, European-built carb** with a proven track record.
**Avoid the Solex TM38-86 if:**You want a **no-fuss, stock-like carb** with minimal tuning.
You re on a **very tight budget** (consider a Mikuni or Walbro instead).
You plan **major engine modifications** (turbo, big bore, etc.).
You **hate adjusting carbs** and would rather use a **pre-tuned aftermarket option**.
For most **stock-to-moderately-modified LT250R riders**, the Solex TM38-86 is a **strong upgrade** just be prepared to **tune it carefully** for the best results.
This is Aftermarket Replacement Item But Not OEM. OE/OEM Part Number: TM38-86. Specifications. AT For Suzuki LT250R Quadracer Mikuni 38MM TM38-86 Flat Slide Carburetor USA LT500R.
Fitment Type: Direct Replacement. This is a Soillar brand item. Superseded Part Number: TM38-86. Air And Fuel Mixture is Perfectly Done, Helps the fuel to burn smoothly.
Manufacturer Part Number: TM38-86. High Quality And Performance, It is Constructed From Robust, Premium Materials. Improves Throttle Responsiveness, Controls The Engine Speed. Material: Aluminium.
Packing Included. The logo in the pictures is unrelated to other brands and for reference only. More Power Resolves Common Deficiencies.