YAMAHA P6T535 Ignition Coil Spark Pack

( Manufacturer Part Number: P6T535 ), ( Part Type: Ignition Spark Coil ), ( Country Of Origin: Japan )

Review YAMAHA Oe Ignition Coil Spark Pack fits GT 1973–1983

The **Yamaha P6T535 series ignition coil spark pack** represents a pinnacle of precision engineering, meticulously designed to deliver unparalleled performance, reliability, and longevity across a wide range of Yamaha outboard motors, including the **P6T535, P6T73, P6T74, P6T75, P6T76, P6T78, P6T79, P6T80, P6T81, P6T82, and P6T83** models. Crafted with Yamaha s signature attention to detail, this high-performance spark pack is engineered to optimize ignition efficiency, ensuring consistent, powerful spark generation that maximizes fuel combustion and engine responsiveness. Each coil in the pack is built using **high-quality copper windings** and **advanced magnetic core materials**, which work in tandem to produce a strong, reliable spark even under demanding conditions, such as high RPMs, cold starts, or heavy loads. The **sealed, corrosion-resistant construction** ensures durability in marine environments, where exposure to saltwater, humidity, and temperature fluctuations can degrade inferior components. With a **modular design**, the spark pack simplifies installation and maintenance, allowing for quick replacement without the need for specialized tools or adjustments. Whether powering a high-speed sportfisherman or a dependable cruiser, this ignition system guarantees **faster starts, smoother acceleration, and improved fuel economy**, making it an indispensable upgrade for any Yamaha outboard owner seeking peak performance. Backed by Yamaha s reputation for innovation and dependability, this spark pack is not just a replacement part it s a strategic investment in engine health and performance.

### **Pros and Cons of Buying a Yamaha P6T535 Ignition Coil Spark Pack (Models 73 83 GT)**

1. **Compatibility and Reliability** The Yamaha P6T535 ignition coil spark pack is designed specifically for the **Yamaha P6T535** engine family, which powers the GT series (73 83 models). This ensures a direct fit without modification, reducing the risk of installation errors.

2. **Improved Performance** A high-quality ignition coil and spark pack can enhance engine performance by delivering a stronger, more consistent spark. This leads to better combustion, smoother acceleration, and improved fuel efficiency.

3. **Durability and Longevity** Yamaha s aftermarket ignition components are built to last, often outperforming OEM parts in terms of durability. A well-maintained coil pack can last **50,000 100,000 miles**, depending on usage and environmental conditions.

4. **Easier Maintenance** Replacing an ignition coil pack is a straightforward DIY job, requiring only basic tools. Unlike some older ignition systems, the P6T535 coil pack is modular, making it easier to service compared to individual coil-and-plug setups.

5. **Cost-Effective Upgrade** Compared to full engine overhauls or electronic ignition system replacements, upgrading to a new coil pack is a **low-cost, high-reward** modification. It can prevent misfires, rough idling, and potential engine damage caused by weak sparks.

6. **Compatibility with Performance Mods** If you plan to add performance upgrades (e.g., carburetor tuning, exhaust modifications, or fuel system enhancements), a reliable ignition system is crucial. A fresh coil pack ensures the engine responds properly to these changes.

7. **Reduced Electrical Noise** Older ignition systems can introduce electrical interference, affecting radios, gauges, or other electronics. A modern coil pack minimizes this issue, improving overall electrical system reliability.

8. **Warranty and Support** Yamaha offers warranties on aftermarket parts, providing peace of mind in case of defects. Additionally, many Yamaha dealers and aftermarket specialists can assist with installation and troubleshooting.

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1. **Cost Relative to OEM Parts** While still affordable, a **Yamaha P6T535 ignition coil spark pack** may cost slightly more than generic or aftermarket alternatives. However, the trade-off in quality and reliability often justifies the expense.

2. **Installation Complexity (For Some)** Though generally straightforward, removing the old coil pack and wiring it correctly requires **some mechanical skill**. Those unfamiliar with ignition systems may need guidance, especially if dealing with corroded terminals or wiring harnesses.

3. **Potential for Counterfeit Parts** As with any aftermarket component, there is a risk of purchasing **fake or low-quality replicas** from untrusted sellers. Buying from **authorized Yamaha dealers or reputable aftermarket suppliers** (e.g., **Yamaha Parts, Speedhawk, or local Yamaha specialists**) minimizes this risk.

4. **Limited Lifespan Compared to Modern Systems** While durable, the **P6T535 ignition system is not as advanced as modern electronic ignition (EI) setups**. Over time, wear on the points (if still present) or distributor components (if applicable) may require additional maintenance.

5. **Compatibility with Non-Stock Mods** If you ve made **extensive engine modifications** (e.g., big bore kits, high-compression cylinders, or aggressive camshafts), a stock coil pack may struggle to provide sufficient spark energy. In such cases, a **higher-performance coil or electronic ignition upgrade** may be necessary.

6. **Environmental Factors** Harsh conditions (e.g., **extreme heat, cold, or moisture**) can accelerate wear on ignition components. Regular inspection and maintenance are essential to ensure long-term reliability.

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### **Conclusion**

The **Yamaha P6T535 ignition coil spark pack** is a **solid, cost-effective upgrade** for the **GT73 GT83 series**, offering **reliability, improved performance, and ease of installation**. It is particularly beneficial for owners experiencing **misfires, weak sparks, or rough idling**, as it restores proper ignition function without major modifications.

**However**, it is not a "set-and-forget" solution **regular maintenance** (checking spark plugs, wiring, and connections) is still required. If you plan to push the engine beyond stock specifications, consider **supplementing this upgrade with a performance coil or electronic ignition system** for optimal results.

For most **stock-to-stock or mildly modified GT owners**, this part is a **highly recommended purchase** that provides **better performance and longevity** than aging OEM components.

- **Buy from an authorized Yamaha dealer or a trusted aftermarket supplier** to ensure authenticity.

- **Replace spark plugs at the same time** for best results (use **NGK CR8E or similar** for the GT series).

- **Inspect wiring and connections** during installation to prevent future issues.

- **Monitor performance** after installation if misfires persist, check for **faulty spark plugs, fuel issues, or vacuum leaks**.

- **Consider an electronic ignition upgrade** if planning **aggressive modifications** (e.g., big bore, high-performance camshafts).

**Verdict:** **Worth the upgrade** for reliable, improved ignition performance in the Yamaha GT73 GT83.

Details:

Good used condition comes as pictured The product is a genuine Yamaha 80 OE ignition coil spark pack with the part number P6T535. Designed specifically for Yamaha motorcycles, this ignition coil spark pack is a crucial part maintaining and restoring the system of your vintage 80 model from 1973 to 1983.

part #: p6t535 price

• $37.59

specifications febocy:

• for models: Gt
• for makes: Yamaha
• for years: 1973-1983
• mpn: P6t535
• part type: Ignition Spark Coil
• country of origin: Japan

seller febocy:

• rating: 99.4%
• city: Erhard, Minnesota
• # reviews: 10146

returns febocy:

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

shipping febocy:

• class: Expedited
• carrier: USPS
• transit: 4-7 Days
• type: Fixed
• cost: $0.00
• service: USPS Priority Mail

offer febocy:

• best offers: True
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• sold: 0
• started: March 27, 2026

payments febocy:

• other
• credit card: Diners-club
• wallet: Paypal

general febocy:

• Motorcycle Scooter Parts Accessories > Body Frame > Fenders
• condition: Used

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