YAMAHA 5G4-82310-40 Ignition Coil F6T538

( Manufacturer Part Number: 5G4-82310-40 ), ( Part Type: Ignition Coil ), ( Compatible Make: For Yamaha ), ( Compatible Model: Dt175 Dt400 It175 ), ( Vintage Part: Yes ), ( Country Of Origin: Japan )

Review YAMAHA Oem Ignition Coil fits DT175 DT400 IT175 1978–1982

The **Yamaha 5G4-82310-40 Ignition Coil** is a precision-engineered component designed to deliver reliable, high-performance spark generation for a select range of classic Yamaha dirt bikes, including the **1979 DT175**, **1978 DT400**, and **1982 IT175**, as well as the **F6T538** models. This coil is a critical part of the ignition system, responsible for converting the low-voltage electrical current from the bike s ignition module into a powerful high-voltage spark essential for igniting the air-fuel mixture in the combustion chamber. Crafted with Yamaha s signature attention to detail, this coil features a robust **high-tension winding system** and a durable **insulated primary winding**, ensuring consistent and strong sparks even under demanding riding conditions. Its **compact yet sturdy construction** is built to withstand the vibrations and heat generated during high-performance off-road use, making it a dependable choice for both restoration projects and daily riding enthusiasts. The **40mm mounting configuration** aligns perfectly with the original installation points on these classic bikes, allowing for a seamless fit without the need for modifications. Whether you're reviving a vintage Yamaha for track days or maintaining a beloved off-road machine, this ignition coil guarantees optimal ignition reliability, helping to preserve the engine s performance and longevity. With its **OEM-level quality and compatibility**, it s the ideal upgrade or replacement for riders who demand nothing less than the best in classic Yamaha ignition systems.

### **Pros and Cons of buying a Yamaha 5G4-82310-40 Ignition Coil (DT175, DT400, IT175, F6T538 Compatibility)**

1. **Universal Compatibility** This coil is designed to fit multiple Yamaha models, including the **1979 DT175, 1978 DT400, 1982 IT175, and F6T538 engines**. This makes it a cost-effective choice if you own or work on multiple bikes with these engines.

2. **Reliability** Yamaha ignition coils from this era are known for durability, especially when compared to aftermarket alternatives that may fail prematurely. A genuine or high-quality replica coil can last for years with proper maintenance.

3. **Performance Consistency** A well-functioning ignition coil ensures proper spark generation, which is crucial for smooth engine operation, fuel efficiency, and power output. A failing coil can lead to misfires, rough idling, and reduced performance.

4. **Ease of Installation** These coils are relatively straightforward to replace, requiring minimal tools. Most riders and mechanics can swap it out in under an hour, even without advanced mechanical experience.

5. **Prevents Engine Damage** Ignoring a failing coil can lead to severe engine issues, such as carbon buildup, fouled spark plugs, or even catastrophic failure in extreme cases. Replacing it proactively avoids costly repairs.

6. **Availability of Parts** Since this is an older but still widely used coil, finding replacements is relatively easy, whether through Yamaha dealers, online marketplaces, or specialty motorcycle parts stores.

7. **Cost-Effective Long-Term Solution** While the upfront cost may seem higher than some no-name brands, a quality coil reduces the likelihood of repeated failures, saving money over time.

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1. **Age-Related Wear** Even if the coil is new, the connectors and wiring in older bikes may degrade over time, leading to intermittent electrical issues. This could require additional troubleshooting beyond just the coil replacement.

2. **Potential Counterfeit Risks** Some aftermarket or eBay listings may sell fake or low-quality replicas that fail quickly. Buying from untrusted sellers increases the risk of receiving a subpar or damaged part.

3. **Compatibility Variations** While this coil fits the listed models, slight differences in wiring harnesses or mounting positions (especially in older bikes) may require minor adjustments during installation.

4. **Limited Longevity Compared to Modern Coils** Modern ignition systems often use more advanced coils with better heat dissipation and longer lifespans. This older coil may not last as long as contemporary alternatives, though it remains reliable for its era.

5. **Specialty Tools May Be Needed** In some cases, removing the old coil (especially in tight engine bays) may require a spark plug socket extension or a coil puller, which not all riders have on hand.

6. **Potential for Electrical Issues** If the bike s wiring or ignition system has other problems (e.g., corroded connections, faulty capacitors, or weak batteries), replacing just the coil may not fully resolve misfiring issues.

7. **Higher Cost Than Basic Replacements** Compared to the cheapest no-name coils, this part is priced moderately, which may be a deterrent for budget-conscious buyers looking for the absolute lowest-cost solution.

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The **Yamaha 5G4-82310-40 ignition coil** is a **solid, reliable choice** for the specified models, offering **universal compatibility, durability, and performance benefits**. It is particularly advantageous for riders who own multiple bikes with these engines or those who prioritize **long-term reliability over the absolute lowest cost**.

However, buyers should be cautious about **purchasing from untrusted sources** to avoid counterfeit parts and ensure proper installation. While not as long-lasting as modern coils, it remains a **proven solution** for its era and is well-suited for **restoration projects, classic bikes, or secondary vehicles** where reliability is key.

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- **Buy from a reputable seller** (e.g., Yamaha dealer, trusted online retailers like **Motorcycle Parts Pro, Amazon, or eBay with verified feedback**).

- **Inspect the coil visually** before purchasing look for signs of damage, corrosion, or wear on the packaging.

- **Test the bike after installation** to confirm the coil is functioning correctly (check for smooth operation, no misfires, and proper spark at the plugs).

- **Consider pairing it with a high-quality spark plug** (e.g., NGK or Denso) to maximize performance.

- **If budget is a concern**, compare prices across sellers but avoid extremely cheap options that may be counterfeit.

**Final Verdict:** **Highly recommended** for the listed Yamaha models, especially for riders who value **reliability and compatibility** over the cheapest possible option. It is a **wise investment** for maintaining or restoring these classic bikes.

Details:

part #: 5g48231040 prices

• $10.00-$32.33

specifications cyclevintagee:

• for models: Dt175, Dt400, It175
• for makes: Yamaha
• for years: 1978-1982
• mpn: 5g4-82310-40
• part type: Ignition Coil
• compatible make: For Yamaha
• compatible model: Dt175 Dt400 It175
• vintage part: Yes
• country of origin: Japan

shipping cyclevintagee:

• transit: 5-11 Days
• class: Standard
• cost: $9.85
• carrier: USPS
• type: Fixed
• service: USPS Ground Advantage

general cyclevintagee:

• Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories
• condition: Used

seller cyclevintagee:

• # reviews: 3253
• city: Clawson, Michigan
• rating: 100.0%

returns cyclevintagee:

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

payments cyclevintagee:

• credit card: Diners-club
• wallet: Apple-pay
• other

offer cyclevintagee:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: April 18, 2026
• quantity: 1

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