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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 DS7 250 Motorcycle - Street (1972)
The 1972 Yamaha DS7 250 was a two-stroke street motorcycle produced for a single year before being succeeded by the popular RD series in 1973. It featured a 247cc air-cooled, two-stroke, 5-port parallel twin engine, producing 30 horsepower. Yamaha's Autolube system eliminated the need to pre-mix gas and oil, and the motorcycle had a 5-speed transmission. The 1972 DS7 was the last of the piston-port induction machines before Yamaha introduced reed valve induction with the RD250 and RD350 in 1973. There were no mid-cycle generation changes for the DS7, nor were there any distinct trims or sub-models offered for its single production year. FAQ:
Q: Is this part compatible with my Yamaha DS7 250?
R: To ensure compatibility, please use our year and model selector at the top of the page.
Maintenance
| Component | Interval | Details |
| Oil Filter | Regular inspection | The Autolube system does not use a replaceable engine oil filter like four-stroke engines. An inline filter may be present in the oil supply hose and should be inspected and replaced if clogged or failing. |
| Drive Chain | Lubrication every 650 to 1,300 km. Tension check every 800 to 1,000 km. | More frequent cleaning and lubrication recommended after riding in wet, dusty, or dirty conditions. |
| Spark Plug | Replacement if performance issues arise or every few years | Spark plugs can last multiple seasons. The Autolube system helps reduce fouling. |
| Air Filter | Weekly inspection and cleaning or every 3-4 hours in dusty conditions. Replacement every two years or if damaged. | Interval highly dependent on riding conditions. Replace if cleaning no longer restores condition. |
| Coolant | Not applicable | The engine is air-cooled and does not use liquid coolant. |