WSM 26322-W365164-42 Mikuni Carburetor Rebuild Sxi Kit 38/44/46MM
fits model: Js750. make: Kawasaki. year: 1998–2002.
( Brand: Wsm ), ( Manufacturer Part Number: 26322-W365164-42 ), ( Part Type: Carburetor )
Review WSM Mikuni 38/44/46mm Carburetor Rebuild Kit Kawasaki Sxi fits JS750 1998–2002
The **WSM 26322-W365164-42 Mikuni 38/44/46mm Carburetor Rebuild Kit** is a meticulously engineered solution designed specifically for restoring peak performance to the high-performance **1998 2002 Kawasaki JS750 SXI** motorcycle s Mikuni carburetors. This premium rebuild kit is crafted to ensure a flawless, high-quality restoration of the **38mm, 44mm, or 46mm** carburetors, depending on the model variant, eliminating common issues like fuel starvation, inconsistent idle, or sluggish throttle response that can plague aging carbureted engines. Engineered with precision, the kit includes all essential components such as **new gaskets, seals, jets, needles, and springs** along with high-grade **Mikuni-specific parts** that guarantee optimal airflow and fuel delivery, critical for maintaining the JS750 s legendary power and smoothness. Whether you're tackling a routine maintenance project or addressing performance degradation, this kit provides everything needed for a professional-grade rebuild, ensuring the carburetor operates with the same reliability and responsiveness as when it was new. The inclusion of **OEM-quality or superior aftermarket components** (depending on the specific variant) ensures compatibility and performance consistency, while the detailed packaging and clear labeling simplify the disassembly and reassembly process, even for those less experienced with carburetor maintenance. For riders who demand nothing less than perfection in their Kawasaki s performance, this rebuild kit is an indispensable tool for preserving the engine s heritage while extending its lifespan and ensuring a thrilling, responsive ride.
The **WSM 26322-W365164-42 Mikuni 38/44/46mm Carburetor Rebuild Kit** is a popular choice for rebuilding the stock Mikuni carburetors found on the **1998 2002 Kawasaki JS750 SX-I**. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.
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### **Pros**
1. **Compatibility and Fitment**
The kit is specifically designed for the **Mikuni 38/44/46mm carburetors** used on the JS750 SX-I, ensuring a direct fit without modifications. This eliminates the need for adapters or custom parts, making installation straightforward.
2. **High-Quality Components**
WSM (World Sport Motors) is a reputable brand known for producing reliable aftermarket parts. The rebuild kit includes genuine or high-quality replacement parts such as:
- **Gaskets and seals** (often O-rings, diaphragm seals, and carb body gaskets)
- **Pilot and main jets** (critical for tuning and performance)
- **Needles and springs** (essential for proper fuel metering)
- **Throttle body components** (if included, such as bushings or cams)
- **Cleaning solvents and brushes** (to ensure the carb is thoroughly cleaned before reassembly)
These parts are typically made to OEM specifications or improved standards, reducing the risk of leaks or performance issues.
3. **Performance Benefits**
Rebuilding the carburetor with fresh parts can restore or even enhance performance, especially if the original carb was neglected or had worn components. A properly rebuilt carb will:
- Improve throttle response and smoothness.
- Reduce fuel waste and improve fuel efficiency.
- Eliminate vacuum leaks or hesitation caused by worn gaskets or jets.
- Allow for fine-tuning with new jets if desired (e.g., upgrading to slightly larger jets for more power or smaller jets for better low-end response).
4. **Cost-Effective Alternative to Replacement**
Rebuilding a carburetor is significantly cheaper than purchasing a new OEM or aftermarket carb (which can cost **$200 $400 **). The rebuild kit typically ranges from **$50 $100**, making it a budget-friendly solution for restoring functionality.
5. **Ease of Rebuilding**
The kit is user-friendly, often including instructions and sometimes even a rebuild guide. While some mechanical skill is required (especially for disassembly and reassembly), it is a manageable DIY project for most enthusiasts. Many users find that rebuilding a carb is simpler than working on other engine components like the clutch or transmission.
6. **Preventative Maintenance**
Rebuilding the carburetor is a form of preventative maintenance that can extend the life of the engine by preventing carbon buildup, fuel starvation, or other issues caused by dirty or worn carb components.
7. **Customization Potential**
If you re comfortable with carb tuning, the kit allows you to experiment with different jets (e.g., **pilot jets, main jets, or power valves**) to optimize performance for your riding style or modifications (e.g., exhaust, intake, or ECU tuning). WSM often offers compatible jet sets for different power levels.
8. **Warranty and Support**
WSM parts typically come with a warranty (usually **1 year**), and the company has a reputation for good customer service. If issues arise during or after installation, support is often available to resolve them.
9. **Better Than "Quick Fixes"**
Many riders resort to temporary fixes like **super glue for leaks** or **spray-on gaskets**, which can lead to further problems. A proper rebuild ensures long-term reliability and avoids recurring issues.
10. **Environmental and Safety Benefits**
A clean, properly functioning carburetor reduces emissions and prevents fuel waste, which is beneficial for both the environment and your wallet.
---
### **Cons**
1. **Time-Consuming Process**
Rebuilding a carburetor requires patience and attention to detail. The process involves:- Disassembling the carb (which can be tricky due to small parts).
- Cleaning each component thoroughly (using carb cleaner and brushes).
- Inspecting parts for wear or damage (e.g., cracked diaphragms, bent needles).
- Reassembling carefully to avoid misalignment or leaks.
- Testing for proper operation (e.g., checking for vacuum leaks or rough idle).
This can take **2 4 hours** for a first-time builder, depending on experience.
2. **Potential for Mistakes**
Even with instructions, errors in reassembly (e.g., **incorrect jet installation, misaligned throttle linkage, or improper gasket placement**) can lead to:
- **Poor performance** (hesitation, stalling, or rough idle).
- **Fuel leaks** (if gaskets or seals are not seated properly).
- **Vacuum leaks** (if the carb isn t sealed correctly).
First-time builders may need to troubleshoot issues, which can be frustrating.
3. **Requires Basic Tools and Skills**
While not overly complex, the rebuild does require:- **Basic hand tools** (screwdrivers, pliers, socket set).
- **Clean workspace** (preferably a bench with good lighting).
- **Some mechanical aptitude** (understanding how carburetors work).
Those without prior experience may find the process challenging.
4. **Not a Permanent Solution for Major Issues**
If the carburetor itself is **cracked, corroded, or severely damaged** (e.g., from old age or accident), a rebuild kit won t fix structural problems. In such cases, a **new carburetor** may be necessary.
5. **Jet Selection Can Be Overwhelming**
While the kit includes basic jets, upgrading to **custom jets** (e.g., for more power or better low-end torque) requires research. Choosing the wrong jets can lead to:
- **Lean conditions** (if jets are too small, causing rough running or overheating).
- **Rich conditions** (if jets are too large, wasting fuel and reducing performance).
Beginners may need to start with stock or slightly larger jets and adjust gradually.
6. **Depends on Original Carb Condition**
If the original carburetor is **extremely dirty, clogged, or internally damaged** (e.g., a broken diaphragm), the rebuild kit may not fully restore performance. In such cases, a **deep cleaning or professional rebuild** might be needed before using the kit.
7. **Not Ideal for Heavy Modifications**
If you ve made **significant engine modifications** (e.g., **big bore kit, forced induction, or aggressive exhaust**), the stock carb may no longer be sufficient. In these cases, a **larger aftermarket carb** (e.g., **Mikuni 48mm or Keihin FCR**) may be necessary, and the WSM kit won t be compatible.
8. **Risk of Contamination During Rebuild**
If the workspace is dirty or if old fuel residue isn t cleaned properly, debris can get into the carb during reassembly, leading to **clogged jets or poor performance**. This requires meticulous cleaning.
9. **Limited Availability of Spare Parts**
While WSM is reliable, if you run into issues post-rebuild (e.g., a specific gasket or jet fails), finding replacements may not be as easy as for more common brands like **Keihin or Mikuni OEM parts**.
10. **May Not Match Aftermarket Upgrades**
If you ve installed **aftermarket parts** (e.g., **ECU flash, exhaust, or intake**), the stock carb s tuning may no longer be optimal. Rebuilding alone won t compensate for these changes you may need to adjust jets or even switch to a different carb.
---
### **Conclusion**
The **WSM 26322-W365164-42 Mikuni 38/44/46mm Carburetor Rebuild Kit** is an **excellent choice** for riders looking to **restore, maintain, or slightly tune** their **1998 2002 Kawasaki JS750 SX-I s stock carburetors**. It offers **high-quality parts, cost savings, and performance benefits** while being a manageable DIY project. However, it is **not a universal fix** it requires **time, attention to detail, and basic mechanical skills** to execute correctly.
The kit is best suited for:- **Regular maintenance** (restoring a neglected carb).
- **Minor tuning** (upgrading jets for slight power or throttle response improvements).
- **Budget-conscious riders** who want to avoid buying a new carb.
- **Enthusiasts comfortable with carburetor rebuilds** or willing to learn.
It is **less ideal** for:- **Those without mechanical experience** (unless they re patient and willing to research).
- **Riders with heavily modified engines** (may need a larger carb).
- **People who want a quick fix** (rebuilds take time and effort).
- **Cases with severely damaged carburetors** (may require replacement).
---
### **Recommendation**
**Buy the WSM rebuild kit if:**You re experiencing **rough idle, hesitation, or fuel waste** in your JS750 SX-I.
You want to **restore stock performance
Details:
1992 - 1997 Sea-Digits, 1997 1998 Pro 785, 1998 Sea-Dogs, 2003 2011 KawasakiJS800 800 SX-R, 1996 KawasakiJS750 750SXi, 1993 1995 Polaris SL 750These model's have an external fuel pump, the pump components in rebuilt kits listed will not work. Compatibility: Years: Make: model: Application: Notes: 1994 - 1995 Polaris SLT 750These model's have an external fuel pump, the pump components in rebuilt kits listed will not work. This is helpful if you are buying multiple items. Parts without fitment are to be assumed universal and may require vehicle modification.
I need to exchange an item. WSM Mikuni 38/44/46mm Carburetor Rebuild Kit for 1998 2002 Kawasaki JS750 SXI Pro Jet Ski: Kit, Contains: one kit to rebuild a single carb, Actual Contents May Vary From Photo, Does not contain parts model's with external fuel pumps, Square Pump Aftermarket 38/40, Needle and seats sold separately.: Brand: WSM, model Number: 26322-W365164-42.
part #: 26322w36516442 price
- $65.73
specifications jetskiintakeez:
- for models: Js750
- for makes: Kawasaki
- for years: 1998-2002
- brand: Wsm
- mpn: 26322-w365164-42
- part type: Carburetor
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- rating: 99.8%
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- # reviews: 76622
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- started: February 1, 2026
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