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NGK 90894 Spark Plug
| Brand | NGK 90894 |
|---|---|
| Resistance | 5000 |
| Ground Electrode Tip Design | Standard |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Electrical Terminal Type | Non-removable nut |
| Center Electrode Core Material | Copper |
| Center Electrode Tip Material | Nickel |
| Pre-Gap Size | .036 |
| Ground Electrode Quantity | 1 |
| Hex Size | 14 |
| Insulator Height | 51.00 |
| Manufacturer Heat Range | 8 |
| Seat Type | Flat |
| Reach | 26.5 |
| Thread Diameter | 10.00 |
| Part Number | Lmar8f-9 |
| Stock Number | 90894 |
| Product line | Standard Spark Plug |
| Fits | Moto Guzzi · 9 vehicles |
OE-style replacement. Built to original equipment standards for consistent ignition service.
Copper core design. Supports efficient current transfer and stable spark delivery.
Standard spark plug. Uses nickel electrode materials and a 0.036-inch pre-gap.
Cross-references NGK 90894 and 887016 for the same application. See all 2.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Overview
NGK spark plug 90894 is a standard replacement plug built to OE specifications for select Moto Guzzi applications. It uses a copper core with nickel center and ground electrode materials, a 0.036-inch pre-gap, and a 5,000-ohm resistor for stable ignition performance.
Fits 2017 Moto Guzzi MGX-21 Flying Fortress, N/A. Fits 2014-2016 Moto Guzzi California 1400 Custom, N/A. Fits 2014-2016 Moto Guzzi California 1400 Touring, N/A. Fits 2015-2016 Moto Guzzi Eldorado, N/A.
Key Features
- Standard spark plug design for OE-style ignition service.
- Copper center electrode core for efficient current transfer.
- Nickel center and ground electrode tips for consistent firing characteristics.
- 5,000-ohm resistance helps control electrical noise in the ignition system.
- Flat seat, 10 mm thread diameter, and 14 mm hex size.
- Part number 90894, also identified as LMAR8F-9.
Detailed Description
NGK 90894 is engineered as a standard spark plug for engines that call for the LMAR8F-9 specification. The plug combines a copper core center electrode with nickel tip materials, a standard ground configuration, and a 0.036-inch gap to support reliable spark delivery. Its 26.5 reach, 51.00 insulator height, and flat seat reflect the dimensional requirements used in the listed Moto Guzzi fitments. NGK 90894 is a direct OE-style service part for the MGX-21 Flying Fortress, California 1400 Custom, California 1400 Touring, and Eldorado applications shown here.
What It Helps Address
- Hard starting caused by worn or fouled spark plugs.
- Misfire concerns from inconsistent spark delivery.
- Rough idle related to degraded ignition performance.
- Reduced throttle response from aged plug electrodes.
- Ignition noise control needs in the secondary ignition system.
Installation Notes and Tips
Verify the engine calls for part number LMAR8F-9 and the listed 0.036-inch gap before installation. Confirm thread diameter, reach, seat type, and hex size match the cylinder head specification. Use the fitment notes for the exact Moto Guzzi application, since the listing includes N/A position data and application-specific plug requirements.
Quality Assurance
NGK is a major OE spark plug supplier in North America and manufactures ignition components to original equipment standards. Part number 90894 reflects that OE-focused engineering approach for the applications listed above.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2017 | Moto Guzzi | MGX-21 Flying Fortress | -L | -- | 2 Plugs per Cylinder; Gap 0.036"; Actual OE Manufacturer; Standard Spark Plug |
| 2016 | Moto Guzzi | California 1400 Custom | -L | -- | 2 Plugs per Cylinder; Gap 0.036"; Actual OE Manufacturer; Standard Spark Plug |
| 2016 | Moto Guzzi | California 1400 Touring | -L | -- | 2 Plugs per Cylinder; Gap 0.036"; Actual OE Manufacturer; Standard Spark Plug |
| 2016 | Moto Guzzi | Eldorado | -L | -- | 2 Plugs per Cylinder; Gap 0.036"; Actual OE Manufacturer; Standard Spark Plug |
| 2015 | Moto Guzzi | California 1400 Custom | -L | -- | 2 Plugs per Cylinder; Gap 0.036"; Actual OE Manufacturer; Standard Spark Plug |
| 2015 | Moto Guzzi | California 1400 Touring | -L | -- | 2 Plugs per Cylinder; Gap 0.036"; Actual OE Manufacturer; Standard Spark Plug |
| 2015 | Moto Guzzi | Eldorado | -L | -- | 2 Plugs per Cylinder; Gap 0.036"; Actual OE Manufacturer; Standard Spark Plug |
| 2014 | Moto Guzzi | California 1400 Custom | -L | -- | 2 Plugs per Cylinder; Gap 0.036"; Actual OE Manufacturer; Standard Spark Plug |
| 2014 | Moto Guzzi | California 1400 Touring | -L | -- | 2 Plugs per Cylinder; Gap 0.036"; Actual OE Manufacturer; Standard Spark Plug |
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