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NGK 7546 Spark Plug
| Brand | NGK 7546 |
|---|---|
| Resistance | 5000 |
| Ground Electrode Tip Design | Standard |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Stud |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Pre-Gap Size | .028 |
| Ground Electrode Quantity | 2 |
| Hex Size | 5/8 |
| Insulator Height | 50.00 |
| Manufacturer Heat Range | 7 |
| Seat Type | Flat |
| Reach | .75 |
| Thread Diameter | 10.00 |
| Part Number | Cr7ek |
| Stock Number | 7546 |
| Product line | Standard Spark Plug |
| Fits | Aprilia and Suzuki · 27 vehicles |
OE-style construction. Built to original equipment standards for consistent ignition performance.
Copper core design. Copper center electrode and nickel tips support stable spark delivery.
Standard spark plug. Flat seat, 10 mm thread, and 0.75 inch reach for listed applications.
Cross-references AMS Automotive 4201, AP Exhaust 7546 and 09482-00414 for the same application. See all 5.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
NGK CR7EK Spark Plug
NGK 7546 is a standard spark plug built with a copper core center electrode, nickel tip materials, and a 5,000 ohm resistor for stable ignition performance. It is listed for a wide range of Aprilia and Suzuki applications, including the Aprilia Shiver 750 and Suzuki UH200 Burgman ABS.
Key Features
- Standard spark plug design with a flat seat and 10 mm thread diameter.
- Copper core center electrode with nickel tip materials for consistent spark delivery.
- 5,000 ohm resistance helps control electrical noise in the ignition system.
- 0.028 inch pre-gap and 0.75 inch reach for listed applications.
- NGK part number 7546, also identified as CR7EK.
Detailed Description
This NGK spark plug is engineered for motorcycles and scooters that call for the CR7EK specification. The plug uses a standard ground electrode layout with two ground electrodes, a stud terminal, and a heat range of 7. Fitment includes Aprilia Dorsoduro 750, Aprilia Mana 850, Aprilia Shiver 750, Aprilia Atlantic 500, and Suzuki C109R Boulevard, with application notes calling for either a 0.028 inch or 0.032 inch gap depending on the vehicle.
NGK 7546 is part of the Standard Spark Plug line, which focuses on OE-style construction and broad application coverage. For buyers searching for a spark plug for Aprilia Shiver 750 or a spark plug for Suzuki UH200 Burgman ABS, this part number provides a direct reference point for the listed applications. This part cross-references AP Exhaust 7546 for the same application.
What It Is Used For
- Restoring weak or inconsistent spark output.
- Replacing worn electrodes that can affect starting and idle quality.
- Addressing misfire conditions tied to plug wear or incorrect gap.
- Maintaining proper ignition performance in listed Aprilia and Suzuki models.
Installation Notes and Tips
Verify the vehicle-specific gap requirement before installation; listed applications use either 0.028 inch or 0.032 inch depending on model and year. Confirm the CR7EK specification, thread diameter, reach, and seat type before ordering. Use the NGK 7546 part number when matching the correct plug for the application.
Quality Assurance
NGK is a major OE spark plug supplier in North America with more than 80 years of automotive experience. The brand manufactures to original equipment standards and supports a wide range of automotive, motorcycle, marine, and small engine applications.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2022 | Suzuki | UH200 Burgman ABS | -L | -- | Actual OE Manufacturer; Standard Spark Plug |
| 2019 | Suzuki | UH200 Burgman ABS | -L | -- | Actual OE Manufacturer; Standard Spark Plug |
| 2017 | Suzuki | UH200 Burgman ABS | -L | -- | 0.028 inch gap suitable for OEM application.; Standard Spark Plug |
| 2016 | Aprilia | Dorsoduro 750 ABS | -L | -- | Gap 0.032; Actual OE Manufacturer; Standard Spark Plug |
| 2016 | Suzuki | UH200 Burgman ABS | -L | -- | 0.028 inch gap suitable for OEM application.; Standard Spark Plug |
| 2015 | Suzuki | UH200 Burgman ABS | -L | -- | 0.028 inch gap suitable for OEM application.; Standard Spark Plug |
| 2014 | Suzuki | UH200 Burgman ABS | -L | -- | 0.028 inch gap suitable for OEM application.; Standard Spark Plug |
| 2013 | Aprilia | Shiver 750 | -L | -- | Gap 0.032; Actual OE Manufacturer; Standard Spark Plug |
| 2011 | Aprilia | Dorsoduro 750 | -L | -- | Set spark plug gap to 0.028 inches.; Standard Spark Plug |
| 2011 | Aprilia | Mana 850 | -L | -- | Set spark plug gap to 0.028 inches.; Standard Spark Plug |
| 2011 | Aprilia | Mana 850 GT ABS | -L | -- | Set spark plug gap to 0.028 inches.; Standard Spark Plug |
| 2011 | Aprilia | Shiver 750 | -L | -- | Set spark plug gap to 0.028 inches.; Standard Spark Plug |
| 2010 | Aprilia | Dorsoduro 750 | -L | -- | Set spark plug gap to 0.028 inches.; Standard Spark Plug |
| 2010 | Aprilia | Mana 850 | -L | -- | Set spark plug gap to 0.028 inches.; Standard Spark Plug |
| 2010 | Aprilia | Mana 850 GT ABS | -L | -- | Set spark plug gap to 0.028 inches.; Standard Spark Plug |
| 2010 | Aprilia | Shiver 750 | -L | -- | Set spark plug gap to 0.028 inches.; Standard Spark Plug |
| 2009 | Aprilia | Mana 850 | -L | -- | Set spark plug gap to 0.028 inches.; Standard Spark Plug |
| 2009 | Aprilia | SL 750 Shiver | -L | -- | Set spark plug gap to 0.028 inches.; Standard Spark Plug |
| 2009 | Aprilia | SMV 750 Dorsoduro | -L | -- | Set spark plug gap to 0.028 inches.; Standard Spark Plug |
| 2009 | Suzuki | C109R Boulevard | -L | -- | 0.028 inch gap suitable for OEM application.; Standard Spark Plug |
| 2009 | Suzuki | C109RT Boulevard | -L | -- | 0.028 inch gap suitable for OEM application.; Standard Spark Plug |
| 2008 | Aprilia | SL 750 Shiver | -L | -- | Set spark plug gap to 0.028 inches.; Standard Spark Plug |
| 2008 | Suzuki | C109R Boulevard | -L | -- | 0.028 inch gap suitable for OEM application.; Standard Spark Plug |
| 2008 | Suzuki | C109RT Boulevard | -L | -- | 0.028 inch gap suitable for OEM application.; Standard Spark Plug |
| 2004 | Aprilia | Atlantic 500 | -L | -- | Set spark plug gap to 0.028 inches.; Standard Spark Plug |
| 2003 | Aprilia | Atlantic 500 | -L | -- | Set spark plug gap to 0.028 inches.; Standard Spark Plug |
| 2002 | Aprilia | Atlantic 500 | -L | -- | Set spark plug gap to 0.028 inches.; Standard Spark Plug |
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