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D8RTC Spark Plug for 125cc–250cc EFI ATV UTV Quad Dirt Bike
D8RTC Spark Plug for 125cc–250cc EFI ATV UTV Quad Dirt Bike
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Product Overview
High-performance D8RTC spark plug designed for 125cc–250cc EFI motorcycles and ATVs, offering improved combustion efficiency, reduced emissions, and stable ignition for a smoother ride.
Specifications
| Item | Details |
|---|---|
| Spark Plug Model | D8RTC |
| Thread Size | M12 × 1.25 |
| Thread Reach | 19 mm / 0.748" |
| Hex Size | 17.5 mm / 0.689" |
| Spark Gap | 0.6 mm / 0.0236" |
| Electrode Type | Fine-wire iridium-simulation |
| Condition | Brand New Aftermarket |
Product Compatibility
| Category | Details |
|---|---|
| Engine Displacement | 125cc / 150cc / 200cc / 250cc |
| Vehicle Types | ATV, UTV, Quad, Dirt Bike, EFI Motorcycles |
| OEM Replacement | DR8EA, DPR8EA-9, 5829, DP8EA-9, 2120, D8EA, 7162, 809, 8809, RA6HC, OE083 |
| Spark Plug Type | D8RTC |
Key Features
- Fine-wire Electrode – Delivers a concentrated spark for more efficient combustion
- Integrated Resistor – Suppresses electromagnetic interference, protecting ECU and sensors
- EFI Optimization – Compatible with electronic fuel injection systems for improved performance
- Reduced Emissions – Helps lower hydrocarbon emissions and fuel consumption
- Durable and Reliable – High-quality materials ensure long service life and stable ignition
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Fitment FAQ
Will this part fit my specific model and year?
This spark plug is intended for 125cc–250cc EFI ATV UTV Quad Dirt Bike. Key physical/spec details from the product data include Thread Size: M12 × 1.25, Hex Size: 17.5 mm / 0.689", 125cc. Use the compatibility table and product photos together before ordering.
Do I need to match the OEM part number?
Yes. If your original part has a stamped OEM or manufacturer number, match that number first before ordering. For this spark plug, also compare the thread size, reach, heat range, electrode style, and original plug code.
What models or situations does this part not fit?
Do not order this spark plug for machines outside the listed compatibility, or for units with different OEM numbers, dimensions, mounting points, connectors, or year-specific configurations. Do not rely only on the model name or engine size.
What should I check before ordering?
Before ordering, compare your original part with the photos and check the thread size, reach, heat range, electrode style, and original plug code. Recheck listed specs such as Thread Size: M12 × 1.25, Hex Size: 17.5 mm / 0.689", 125cc. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.