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CR8E Spark Plug for Yamaha YFZ450 YZ250F YZ450F 2004–2009
CR8E Spark Plug for Yamaha YFZ450 YZ250F YZ450F 2004–2009
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Product Overview
High-performance CR8E spark plug engineered for Yamaha high-rev four-stroke engines, delivering reliable ignition, smooth combustion, and stable performance under extreme riding conditions.
Product Compatibility
| Category | Details |
|---|---|
| Compatible Models | Yamaha YFZ450, YZ250F, YZ450F |
| Year Range | 2004–2009 |
| Vehicle Type | ATV, Motocross Motorcycle |
| OEM Replacement Numbers | 94701-00411, 92070-0019 |
| Spark Plug Type | CR8E |
Specifications
| Item | Details |
|---|---|
| Spark Plug Model | CR8E |
| Thread Diameter | 8 mm / 0.31" |
| Thread Reach | 18 mm / 0.71" |
| Hex Size | 14 mm / 0.55" |
| Engine Type | 4-stroke |
| Condition | Brand New Aftermarket |
Key Features
- Direct CR8E Replacement – Designed to match OEM specifications for Yamaha performance engines
- Strong & Stable Ignition – Fine electrode design ensures consistent spark output
- Excellent Cold Start Performance – Reliable ignition even in low-temperature conditions
- High Load & High RPM Stability – Maintains spark strength during aggressive riding
- Wear-Resistant Electrodes – High-quality materials extend service life
- Improved Combustion Efficiency – Reduces misfire and ignition delay for smoother operation
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Fitment FAQ
Will this part fit my specific model and year?
This spark plug is intended for Yamaha YFZ450 YZ250F YZ450F 2004–2009. It is best matched to original part number(s) 94701-00411, 92070-0019. Key physical/spec details from the product data include Thread Diameter: 8 mm / 0.31", Hex Size: 14 mm / 0.55", 8 mm. Use the compatibility table and product photos together before ordering.
Do I need to match the OEM part number?
Yes. Match your original part number to 94701-00411, 92070-0019 before purchase. For this spark plug, also compare the thread size, reach, heat range, electrode style, and original plug code. This is especially important for Yamaha YFZ450/YZ250F/YZ450F models because similar model names can use different parts by year or trim.
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. If your original part number does not cross-reference with 94701-00411, 92070-0019, treat the fitment as unconfirmed. Model years outside 2004–2009, 2004, 2009 should be verified separately. 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. Confirm OEM/cross-reference number(s): 94701-00411, 92070-0019. Recheck listed specs such as Thread Diameter: 8 mm / 0.31", Hex Size: 14 mm / 0.55", 8 mm. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.