NGK Standard Spark Plug
AB-6
$8.99
Sale price
$8.99
Regular price
$8.99
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NGK Standard Spark Plug for Harley-Davidson SX250 Motorcycle - Street
NGK Standard Spark Plug for Harley-Davidson SX250 Motorcycle - Street
$8.99
Sale price
$8.99
Regular price
$8.99
SKU:38-2245
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Description
Standard Spark Plug
The workhorse, at the heart of smooth-running engines around the world.
FEATURES
- OEM Quality
- Triple-Gasket Sealing Process
- Consistent Performance
- Plug of Choice in Millions of Vehicles
- Sold each
Technical Specifications
- MFG. Part Number AB-6
Vehicle Information
Harley-Davidson SX250 Motorcycle - Street (1975-1978)
The Harley-Davidson SX250, produced between 1975 and 1978, was a single-cylinder, two-stroke motorcycle primarily designed for on and off-road capabilities. Manufactured in Italy under Harley-Davidson's ownership of Aermacchi, it offered a blend of performance and versatility. While the SX250 was offered as a single model without distinct trim levels, minor variations in engine displacement were noted. The 1975 model had a reported displacement of 249 cm³ or 242.6 cm³, producing 20 horsepower. Models from 1976 to 1978 consistently featured a 242 cm³ or 243 cm³ engine, also delivering around 20 horsepower. All models were powered by an air-cooled, two-stroke, single-cylinder engine with oil injection, a 5-speed transmission, and drum brakes. FAQ:
Q: How do I ensure this part fits my 1975-1978 Harley-Davidson SX250?
A: To guarantee compatibility, please use the year and edition selector at the top of this page. This will filter parts specifically designed for your motorcycle's exact specifications.
Maintenance
| Component | Interval | Details |
| Transmission Oil | Every 8 000 km or annually | Check level and change oil according to manufacturer recommendations. |
| Spark Plug | Every 16 000 km or every 2 years | Inspect and replace as needed. Two-stroke engines may require more frequent replacements. |
| Air Filter | Inspect every 1 600 km, clean or replace as needed | More frequently in dusty conditions. |
| Drive Chain | Inspect every 800 km, lubricate and adjust as needed | Check for wear, tension, and lubricate regularly. |
The intervals listed are based on general practices for vintage 2-stroke motorcycles. For precise and official service intervals, it is highly recommended to consult an original owner's manual or a factory service manual specifically for the 1975-1978 Harley-Davidson SX250.