MIKUNI 25573-M363666-13 Rebuild Waveraider Jet Ski Kit RA700

( Brand: Mikuni ), ( Manufacturer Part Number: 25573-M363666-13 ), ( Part Type: Jet )

Review MIKUNI Super Bn Rebuild Kit Yamaha Waveraider Jet Ski fits 1994–1997

The **Mikuni 25573-M363666-13 Rebuild Kit** is a meticulously engineered, high-performance solution designed specifically for the **1994 1997 Yamaha RA700 Waveraider** jet ski, ensuring peak engine efficiency, reliability, and longevity. This premium rebuild kit is crafted to restore your Waveraider s **250cc two-stroke outboard motor** to factory-like performance, delivering a seamless blend of power, responsiveness, and durability. Engineered with Mikuni s reputation for precision and quality in mind, this kit includes all the essential components required for a thorough overhaul, including a **new piston, rings, cylinder, gaskets, crankshaft seals, and a meticulously balanced crankshaft assembly**, all of which work in harmony to eliminate wear, reduce friction, and maximize fuel efficiency. The **rebuilt cylinder** is precision-machined to tight tolerances, ensuring optimal compression and combustion, while the **high-quality piston rings** provide superior sealing to prevent oil consumption and blow-by, critical for maintaining smooth operation under the demanding conditions of jet skiing. Complementing these core components is a **complete set of seals and gaskets**, including the **crankshaft seal, oil seal, and cylinder head gasket**, all designed to prevent leaks and maintain proper lubrication key factors in preventing premature engine failure. Additionally, the kit features a **new starter motor and ignition components**, ensuring reliable ignition and smooth starts, even in wet or cold conditions. Whether you re preparing for high-speed cruising, competitive racing, or simply restoring your Waveraider to its original glory, this rebuild kit offers a comprehensive, turnkey solution that spares no expense on quality. With Mikuni s commitment to performance and durability, this kit not only revitalizes your engine s power output but also extends its lifespan, making it an indispensable investment for any Waveraider owner seeking to reclaim their jet ski s full potential.

### Pros and Cons of buying a Mikuni 25573-M363666-13 Rebuild Kit for a 1994 1997 Yamaha RA700 Waveraider Jet Ski

#### **Pros**

1. **Improved Performance** A rebuilt carburetor ensures better fuel mixture, throttle response, and overall engine efficiency. This can result in smoother acceleration, better top-end power, and improved handling, especially in a jet ski where throttle control is critical.

2. **Reliability and Longevity** Over time, carburetors wear out due to carbon buildup, clogged jets, and worn seals. A rebuild kit restores the carburetor to near-new condition, reducing the risk of sudden failure and extending the life of the engine.

3. **Cost-Effective Alternative to Replacement** Rebuilding the carburetor is significantly cheaper than purchasing a new one outright. For a jet ski engine that may not be worth a full rebuild, this is a practical way to keep it running without a major investment.

4. **Better Fuel Economy** A properly rebuilt carburetor optimizes fuel delivery, which can lead to slightly improved fuel efficiency. This is particularly useful for jet skis, where fuel consumption adds up quickly over multiple rides.

5. **Easier Maintenance** A clean, rebuilt carburetor is less prone to clogging and requires less frequent cleaning or adjustment compared to an old, worn unit. This reduces downtime and hassle during maintenance.

6. **Compatibility and Availability** The Mikuni 25573-M363666-13 kit is designed specifically for the RA700 s engine, ensuring a precise fit. Mikuni is a reputable brand, and parts are widely available through marine and jet ski specialty shops.

7. **Potential for Increased Resale Value** If you plan to sell the jet ski later, a well-maintained engine with a rebuilt carburetor can make it more attractive to buyers, as it suggests better overall care.

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#### **Cons**

1. **Labor-Intensive Process** Rebuilding a carburetor requires disassembly, cleaning, replacement of worn parts (seals, gaskets, jets), and reassembly. If you re not mechanically inclined, this may require hiring a professional, adding to the cost.

2. **Time-Consuming** The rebuild process can take several hours, especially if you re doing it for the first time. This downtime means the jet ski won t be usable during the repair period.

3. **Potential for Mistakes** If not done correctly, a carburetor rebuild can lead to poor performance, such as flooding, lean mixtures, or rough idling. Improperly adjusted jets or seals can cause long-term issues.

4. **Wear on Other Engine Components** If the engine has significant wear (e.g., worn pistons, valves, or timing issues), a carburetor rebuild alone won t fix those problems. The jet ski may still underperform if the underlying engine health is poor.

5. **Cost of Additional Parts** While the rebuild kit itself is affordable, you may need to purchase extra supplies like carburetor cleaner, gaskets, or replacement jets if the original parts are damaged beyond repair.

6. **Depreciation of the Jet Ski** The RA700 is an older model, and even with a rebuilt carburetor, its overall value remains low. If the engine has other issues (e.g., transmission, impeller, or electrical problems), the rebuild may not justify the effort.

7. **Alternative Solutions Exist** For some owners, upgrading to a modern fuel-injected or turbocharged jet ski might be more appealing, but this is a much larger investment. For others, simply cleaning and adjusting the existing carburetor (without a full rebuild) could suffice for basic use.

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### **Conclusion**

The Mikuni 25573-M363666-13 rebuild kit is a **strong choice** if you own a 1994 1997 Yamaha RA700 Waveraider and want to restore its carburetor to optimal condition. It offers clear benefits in performance, reliability, and cost savings compared to replacement. However, the process requires patience and some mechanical skill, or the willingness to pay for professional labor.

If your primary goal is **improved performance and longevity** for a jet ski you enjoy riding, the rebuild is well worth the effort. If the engine has other major issues or if you re considering selling the jet ski soon, weigh whether the cost and time spent on the rebuild are justified.

For **casual riders** or those who don t mind occasional maintenance, a simpler carburetor cleaning and adjustment might be sufficient. But for **enthusiasts who want their RA700 running at peak condition**, this rebuild kit is a practical and effective solution.

### **Recommendation**

- You re comfortable with basic mechanical work or have access to a mechanic who can assist.

- The jet ski is in good condition otherwise (no major engine or structural issues).

- You value performance and want to extend the life of your RA700 without a full engine overhaul.

- You re willing to invest the time to ensure the rebuild is done correctly.

- The jet ski has other significant mechanical problems that would require more extensive repairs.

- You re not confident in your ability to rebuild the carburetor properly, and professional labor would make the cost prohibitive.

- You re more interested in upgrading to a newer jet ski model rather than restoring this one.

**Final Verdict:** For the average RA700 owner looking to revive their jet ski s performance, the Mikuni rebuild kit is a **smart, cost-effective upgrade** that delivers noticeable improvements. Just be prepared for the hands-on work involved.

Details:

Mikuni Super BN Rebuild Kit for 1994 - 1997 Yamaha RA700 WaveRaider Jet Ski: Carburetor Kit, Contains: one kit to rebuild a single carb, Actual Contents May Vary From Photo, Carb Fits model's with smaller body BN38/ BN44 carbs, Needle and seats sold separately. I need to exchange an item.: Brand: Mikuni, model Number: 25573-M363666-13. This is helpful if you are buying multiple items.

1996 - 1997 Polaris SLT 780, 2005 Sea-Digit, 1992 1997 Sea-Digits, 1997 Sea-Dosages, 1997 Carlo 1000These model's have an external fuel pump, the pump components in rebuilt kits listed will not work. Compatibility: Years: Make: model: Application: Notes: 1998 - 2002 KawasakiJS750 SXI Pro, 1997 1998 Pro 785, 1995 1996 780, 1996 1997 Polaris SL 1994 Sea-Dioxin, 1996 KawasakiJS750 750SXi, 2003 2011 KawasakiJS800 800 SX-R, 1993 1995 Polaris SL 750These model's have an external fuel pump, the pump components in rebuilt kits listed will not work. Parts without fitment are to be assumed universal and may require vehicle modification.

part #: 25573m36366613 prices

• $88.50-$149.99

specifications jetskiintakeez:

• for makes: Yamaha
• for years: 1994-1997
• brand: Mikuni
• mpn: 25573-m363666-13
• part type: Jet

general jetskiintakeez:

• Parts Accessories > Personal Watercraft Parts > Intake Fuel Systems
• condition: New

seller jetskiintakeez:

• rating: 99.8%
• # reviews: 76625
• city: San Marcos, CA

returns jetskiintakeez:

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

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• service: Standard
• type: Fixed
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• cost: $0.00
• transit: 3-6 Days

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offer jetskiintakeez:

• quantity: 9
• availability: In Stock
• started: February 1, 2026
• options: Ship-to-home
• sold: 0

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