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NGK 4234 Spark Plug
| Brand | NGK 4234 |
|---|---|
| Resistance | 5000 |
| Ground Electrode Tip Design | Low angle |
| Ground Configuration | Slant |
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Non-removable nut |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Pre-Gap Size | .032 |
| Ground Electrode Quantity | 1 |
| Hex Size | 13/16 |
| Insulator Height | 45.00 |
| Manufacturer Heat Range | 10 |
| Seat Type | Flat |
| Reach | .75 |
| Thread Diameter | 14.00 |
| Part Number | Br10ecm |
| Stock Number | 4234 |
| Product line | Standard Spark Plug |
| Fits | KTM · 9 vehicles |
OE-style replacement. Built to original-equipment standards for consistent ignition service.
Copper core design. Supports stable heat transfer and dependable spark delivery.
Standard spark plug. Made for select off-road motorcycle ignition applications.
Cross-references AMS Automotive 4160, NGK 4234 and 09482-00474 for the same application. See all 6.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Standard Spark Plug for KTM Applications
The NGK 4234 standard spark plug is built for specific KTM small-displacement applications and follows OE-style engineering from a long-established ignition specialist. It uses a copper core center electrode, nickel tip materials, and a flat seat design for consistent ignition performance. The NGK 4234 is a direct-fit spark plug for select KTM 105 SX and 85 SX models.
Key Features
- Copper core center electrode for stable heat transfer.
- Nickel center and ground electrode tip materials.
- Low-angle ground electrode with slant configuration.
- 5000 ohm resistance for ignition system control.
- Pre-gapped to .032 inches for listed KTM 85 SX applications.
- Flat seat, 14 mm thread diameter, and .75 inch reach.
Detailed Description
NGK part number 4234, also identified as BR10ECM, is a standard spark plug engineered for select KTM off-road motorcycles. Fitment includes 2004-2006 KTM 105 SX, 2003-2006 KTM 85 SX (17/14), and 2005-2006 KTM 85 SX (19/16). The plug’s copper core and nickel electrode construction support reliable spark delivery, while the 13/16 hex and non-removable nut terminal match common service requirements. NGK’s OE supplier background and broad North American coverage make the 4234 a practical replacement choice for riders maintaining original-equipment standards. This part cross-references AMS Automotive 4160 for the same application.
What It Is Used For
- Restoring weak or inconsistent spark.
- Replacing a fouled or worn spark plug.
- Addressing hard starting caused by plug wear.
- Maintaining proper ignition performance in listed KTM models.
Installation Notes and Tips
Verify the gap before installation and adjust to the vehicle-specific note when required. The listed fitment includes different gap specifications, so follow the application note for each KTM model. Confirm thread diameter, reach, and seat type before installation. Use the part number 4234 or BR10ECM to match the correct plug during service.
Quality Assurance
NGK is a major OE spark plug supplier with more than 80 years of automotive experience and manufacturing standards focused on durability and consistent performance. The 4234 reflects that OE-oriented approach for ignition service.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2006 | KTM | 105 SX | -L | -- | Spark Plug Gap: 0.024 inches; Standard Spark Plug |
| 2006 | KTM | 85 SX (17/14) | -L | -- | Adjust spark plug gap to 0.032 inches.; Standard Spark Plug |
| 2006 | KTM | 85 SX (19/16) | -L | -- | Adjust spark plug gap to 0.032 inches.; Standard Spark Plug |
| 2005 | KTM | 105 SX | -L | -- | Spark Plug Gap: 0.024 inches; Standard Spark Plug |
| 2005 | KTM | 85 SX (17/14) | -L | -- | Adjust spark plug gap to 0.032 inches.; Standard Spark Plug |
| 2005 | KTM | 85 SX (19/16) | -L | -- | Adjust spark plug gap to 0.032 inches.; Standard Spark Plug |
| 2004 | KTM | 105 SX | -L | -- | Spark Plug Gap: 0.024 inches; Standard Spark Plug |
| 2004 | KTM | 85 SX (17/14) | -L | -- | Adjust spark plug gap to 0.032 inches.; Standard Spark Plug |
| 2003 | KTM | 85 SX (17/14) | -L | -- | Adjust spark plug gap to 0.032 inches.; Standard Spark Plug |
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