1. Watercraft Intake & Fuel Systems Products
  2. sku: 16081478704104892
  3. KAWASAKI 59421-2052-YR

KAWASAKI 59421-2052-YR Jet Ski Flame Arrestor Cover Air Cleaner

fits model: Js550. make: Kawasaki. year: 1986.

59421-2052-yr Kawasaki 1986 Jet Ski Js550 Flame Arrestor Cover Air Cleaner

( Manufacturer Part Number: 59421-2052-YR ), ( Part Type: Jet Flame Cover Cleaner )

Review KAWASAKI Jet Ski Flame Arrestor Cover Air Cleaner fits JS550 1986

The **Kawasaki 59421-2052-YR 1986 Jet Ski JS550 Flame Arrestor Cover/Air Cleaner** is a meticulously engineered, high-performance component designed specifically for Kawasaki s iconic JS550 jet ski model from the mid-1980s. This essential part serves a dual purpose: it houses the flame arrestor a critical safety feature that prevents backfires from igniting the surrounding air while simultaneously functioning as the air cleaner, ensuring clean, filtered intake for optimal engine performance. Crafted from durable, heat-resistant materials, the cover is built to withstand the harsh marine environment, including exposure to saltwater, UV rays, and constant vibrations from the jet ski s high-speed operation. Its precise fitment is tailored to the 1986 JS550 s engine bay, where it securely mounts to the carburetor or intake manifold, maintaining a tight seal to prevent air leaks that could compromise power or fuel efficiency. Over time, this component may accumulate oil, debris, or marine corrosion, necessitating regular cleaning or replacement to uphold peak engine health. Whether restoring a classic JS550 or maintaining one in pristine condition, this flame arrestor cover and air cleaner assembly is a vital, hard-to-find part that bridges functionality and longevity, ensuring your jet ski remains a reliable and thrilling vessel for years to come.

### Pros and Cons of buying a Kawasaki 1986 Jet Ski JS550 Flame Arrestor Cover and Air Cleaner (Part # 59421-2052-YR)

#### **Pros:**

1. **Authentic Fit and Functionality** This part is designed specifically for the Kawasaki JS550 from 1986, ensuring a precise fit for both the flame arrestor cover and air cleaner. Using genuine or high-quality aftermarket parts reduces the risk of compatibility issues.

2. **Improved Engine Performance and Longevity** A clean air filter ensures proper airflow to the engine, which helps maintain optimal performance, fuel efficiency, and reduces wear on internal components. The flame arrestor cover helps prevent fire hazards from hot engine parts, especially important for older jet skis where insulation may degrade over time.

3. **Prevents Debris and Water Ingress** The air cleaner protects the engine from dust, sand, saltwater, and other contaminants that can cause premature wear or damage. The flame arrestor cover adds an extra layer of protection against sparks or embers that could ignite fuel vapors.

4. **Cost-Effective Maintenance** Replacing these components is far cheaper than repairing engine damage caused by neglect (e.g., clogged filters leading to overheating or intake blockages). Regular maintenance with quality parts extends the life of the jet ski.

5. **Easier to Find and Install** Since this is a well-documented part for a classic Kawasaki model, you re likely to find detailed installation guides, videos, or forums where owners share their experiences. The part is relatively straightforward to install, especially if you re comfortable with basic mechanical work.

6. **Enhances Safety** The flame arrestor cover is particularly valuable for older jet skis, where wiring or insulation may be worn. It reduces the risk of accidental fires, which is a critical safety feature for recreational use.

7. **Potential for Increased Resale Value** If you plan to sell the jet ski later, having original or well-maintained parts like these can make it more appealing to buyers who prioritize reliability and upkeep.

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#### **Cons:**

1. **Age and Availability of Parts** The 1986 JS550 is an older model, and while Kawasaki parts are still available through specialty dealers or online marketplaces, they may not be as widely stocked as newer models. You might need to order from a third-party seller, which could involve shipping delays or higher prices.

2. **Potential for Counterfeit or Low-Quality Parts** Since this is an older part, there s a risk of purchasing knockoff or substandard replacements, especially if buying from untrusted sellers. Always verify the seller s reputation and check for authenticity (e.g., matching part numbers, packaging, or serial numbers).

3. **Installation Challenges** If you re not experienced with jet ski maintenance, installing the flame arrestor cover or air cleaner might require some effort, especially if corrosion or rust has built up around the intake or exhaust areas. You may need to clean or replace surrounding components (e.g., gaskets, seals) to ensure a proper fit.

4. **Cost Relative to Newer Models** While individual parts like these are reasonably priced, the overall cost of restoring or maintaining an older jet ski can add up quickly. If the jet ski has other significant wear (e.g., drive belt, trim system, or hull damage), these parts may not be the most pressing priority.

5. **Environmental and Legal Considerations** Some areas have regulations regarding flame arrestors, especially for older or modified watercraft. Ensure that installing this part complies with local boating laws to avoid fines or registration issues.

6. **Durability Concerns** Older jet skis may have degraded materials in the intake or exhaust systems. The flame arrestor cover and air cleaner might wear out faster if the surrounding components are corroded or damaged, requiring more frequent replacements.

7. **Opportunity Cost** If the jet ski is not in regular use or is unreliable, spending money on parts like these may not be justified. It might be more practical to invest in a newer, well-maintained jet ski if the primary goal is consistent enjoyment.

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### **Conclusion:**

Buying the Kawasaki 1986 JS550 flame arrestor cover and air cleaner (part # 59421-2052-YR) is a practical and beneficial investment if you own or plan to restore this model. These parts are essential for maintaining engine health, safety, and performance, and their relatively low cost makes them a smart maintenance choice. However, the challenges of sourcing authentic parts, potential installation difficulties, and the broader maintenance needs of an older jet ski should be considered.

If you re an enthusiast who values classic watercraft and are willing to put in the effort to maintain it, these parts are well worth purchasing. For casual users or those considering a newer jet ski, the long-term value may not justify the upfront or ongoing costs.

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### **Recommendation:**

1. **Verify the Part s Authenticity** Purchase from a reputable dealer (e.g., Kawasaki-authorized parts suppliers, specialty marine stores, or trusted online retailers like eBay with positive feedback). Avoid overly cheap listings that may be counterfeit.

2. **Check for Compatibility** Double-check that the part number (59421-2052-YR) matches your jet ski s specifications. Some older models had slight variations, so ensure it s the correct year and trim.

3. **Prepare for Installation** Gather tools (e.g., wrenches, pliers, cleaning supplies) and review installation guides or videos beforehand. If the intake or exhaust area is corroded, plan to clean or replace surrounding components.

4. **Consider Professional Help** If you re unsure about installing the parts yourself, consult a marine mechanic familiar with Kawasaki jet skis. This ensures proper sealing and reduces the risk of leaks or damage.

5. **Pair with Other Maintenance** Use this opportunity to inspect and replace other worn parts (e.g., drive belt, spark plugs, fuel filter) to maximize the jet ski s reliability and performance.

6. **Evaluate Long-Term Viability** If the jet ski has extensive wear or you rarely use it, weigh the cost of maintenance against the joy of ownership. For frequent use, these parts are a worthwhile investment; for occasional use, the effort may not be justified.

**Final Verdict:** **Buy if you re committed to maintaining your 1986 JS550 and prioritize safety, performance, and longevity.** Skip if the jet ski is beyond practical restoration or you prefer newer models with fewer maintenance headaches.

Details:

part #: 59421-2052-yr prices

  • $45.00-$61.72

specifications jetskiintakeez:

  • for models: Js550
  • for makes: Kawasaki
  • for years: 1986
  • mpn: 59421-2052-yr
  • part type: Jet Flame Cover Cleaner

general jetskiintakeez:

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

seller jetskiintakeez:

  • # reviews: 190
  • city: Hesperia, California
  • rating: 100.0%

payments jetskiintakeez:

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offer jetskiintakeez:

  • options: Ship-to-home
  • best offers: True
  • quantity: 1
  • availability: In Stock
  • started: June 9, 2026
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shipping jetskiintakeez:

  • type: Calculated
  • service: FedEx Ground Economy
  • transit: 4-11 Days
  • carrier: FedEx
  • cost: $0.00
  • class: Economy
for models: js550, for makes: kawasaki, for years: 1986, part type: jet flame cover cleaner,
category: watercraft parts > intake fuel systems, sku: 16081478704104892,
Kawasaki 59421-2052-YR Is Similar To:
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2 offers $45.00–$61.72 USD
  • Used. Offer #1 priced at $45.00 + $0.00 shipping estimate = $45.00* total. No hardware. Both pieces.FREE SHIPPING
  • Used. Offer #2 priced at $61.72 + $9.50 shipping estimate = $71.22* total. +$9.50 shipping

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