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 Yamaha AT3 125 Dirt Bike
NGK Standard Spark Plug for Yamaha AT3 125 Dirt Bike
$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
Yamaha AT3 125 Dirt Bike (1973)
The 1973 Yamaha AT3 125 was a versatile enduro motorcycle, renowned for its capability on both road and trail. Powered by a 123cc (often rounded to 125cc) two-stroke single-cylinder engine, it delivered approximately 13 horsepower at 7,000 rpm. The primary trim was the Enduro 125, with a motocross variant known as the AT-3 MX 125 or "M" model also available. The 1973 model year marked the final use of the AT1 chassis. It introduced significant engine improvements, including a reed valve induction system with a 7-port cylinder, enhancing performance across all speeds. The AT3 continued to feature Yamaha's Autolube oil injection system for reliable engine lubrication. Standard Enduro models offered both electric and kick starters and a 12-volt electrical system, while the "M" models were kick-start only with a 6-volt system. Braking was handled by patented waterproof and dustproof drums, ensuring consistent performance. FAQ:
Q: How do I ensure this part fits my 1973 Yamaha AT3 125?
A: To confirm compatibility, please use the year and model selector at the top of this page.
Maintenance
| Component | Interval | Details |
| Transmission Oil | Every 3,200 km | The transmission oil should be replaced. This model uses the Autolube system, so there is no traditional engine oil filter. |
| Spark Plug | Every 800 km | Spark plug cleaning is recommended. Check the plug to assess engine operation; a very dark/black plug might indicate a need for a hotter heat range, while a very light/white plug or melting electrodes might require a colder heat range. |
| Air Filter | Every 800 km | The air cleaner element should be cleaned. Wash the foam filter thoroughly in solvent, squeeze dry, then impregnate with 20 or 30 weight oil, squeezing out any surplus. |
| Drive Chain | Every 500 km | Adjustment and oiling of the drive chain are recommended. This model is chain-driven, so there is no drive belt to maintain. |