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 AT1 125 Dirt Bike
NGK Standard Spark Plug for Yamaha AT1 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 AT1 125 Dirt Bike (1969-1971)
The Yamaha AT1 125, produced from 1969 to 1971, was a versatile motorcycle offered in both Enduro and Motocross versions. It was powered by a 123cc, air-cooled, two-stroke, single-cylinder engine with a bore of 56mm and a stroke of 50mm. Enduro models produced approximately 11.5 BHP at 7,500 rpm, while Motocross (M/MX) versions reached 18 BHP at 8,500 rpm, highlighting their competitive nature.
Significant changes were introduced over the years. The base model evolved from AT1 (1969) to AT1B (1970) and AT1C (1971). The 1970 AT1B model featured a new five-port cylinder, enhancing engine efficiency and power output. Motocross (M/MX) versions were distinguished by a higher compression ratio (8.0:1 vs. 7.1:1 for Enduro), a larger carburetor, specific exhaust and gearing ratios, reduced weight, and different ignition systems (6V magneto for MX, 12V starter/dynamo for Enduro). These distinctions are crucial for parts compatibility.
Q: How can I ensure parts fit my Yamaha AT1 125?
R: To guarantee compatibility, please use the year and model selector at the top of the page. Specifications can vary significantly between years and Enduro/Motocross versions.
Maintenance
| Component | Interval | Details |
| Spark Plug | Every 3 000 to 5 000 km | For standard nickel alloy plugs in older, carbureted motorcycles. |
| Air Filter | Every 1 500 to 2 000 km, or more frequently | Clean and re-oil foam filter. More frequent cleaning in dusty conditions. |
| Transmission Oil (Gear Oil) | Initial: 500 km or 30 days. Subsequent: every 2 000 km or 3 months. | Use 10W-40 motor oil or ATF. |
| Engine Oil Filter | Not applicable | Two-stroke engine with Autolube system, no conventional engine oil filter. |
| Coolant | Not applicable | Air-cooled engine, does not require coolant. |
| Belt | Not applicable | Uses a chain for final drive, no belts. |
Maintenance intervals may vary. Please consult your vehicle's official owner's manual for precise information.