1. Product Overview
The Lawn-Boy 89930 is an 8-ounce bottle of premium 2-cycle ashless engine oil. This synthetic oil is specifically formulated to meet the operational requirements of Lawn-Boy 2-cycle engines and other compatible two-stroke small engines. It is designed to be mixed with gasoline at a 32:1 ratio for 1 gallon of gas.
Key Features:
- Formulated to withstand higher operating temperatures in modern 2-cycle engines.
- Contains special additives to clean and prevent engine deposit buildup, maintaining engine power and life.
- Unique formula ensures easy mixing regardless of temperature conditions.
- Includes a fuel stabilizer to extend the storage life of fuel, promoting easier starts.
- Suitable for use in Lawn-Boy and Toro 2-cycle engines.

2. Usage Instructions
Fuel Mixing Ratio:
This Lawn-Boy 2-cycle engine oil is designed for a 32:1 fuel-to-oil mixing ratio. This means for every 32 parts of gasoline, one part of this oil should be added. The 8-ounce bottle is precisely measured to be mixed with 1 gallon of gasoline to achieve this 32:1 ratio.
Mixing Procedure:
- Ensure you are using fresh, clean gasoline. For optimal performance and engine longevity, use high-quality, unleaded gasoline with an octane rating of 87 or higher.
- Pour the entire 8-ounce bottle of Lawn-Boy 2-Cycle Ashless Engine Oil into a clean, approved 1-gallon fuel container.
- Carefully add 1 gallon of gasoline to the container.
- Securely close the fuel container and gently shake or swirl it to ensure the oil and gasoline are thoroughly mixed.
- Pour the mixed fuel into your 2-cycle engine's fuel tank.
Always refer to your engine's owner's manual for specific fuel and oil recommendations and mixing ratios, as these may vary by model.
3. Maintenance
Proper maintenance of your 2-cycle engine is crucial for its longevity and performance. Using the correct fuel-to-oil mixture is a fundamental part of this maintenance.
- Fuel Freshness: Always use fresh gasoline. Stale gasoline can cause starting issues and engine damage. The fuel stabilizer in Lawn-Boy 2-cycle oil helps extend fuel life, but it is best to use fuel within 30 days or as recommended by your engine manufacturer.
- Storage: When storing your 2-cycle equipment for extended periods, ensure the fuel tank is either completely empty or filled with freshly mixed fuel containing a stabilizer. Run the engine until it runs out of fuel to clear the carburetor.
- Engine Cleanliness: The ashless formula and special additives in this oil help keep engine components clean, reducing carbon buildup and maintaining optimal engine function.
- Regular Checks: Periodically inspect your engine for any signs of wear, leaks, or unusual operation. Refer to your equipment's owner's manual for a complete maintenance schedule.
4. Specifications
| Feature | Detail |
|---|---|
| Brand | Lawn-Boy |
| Model Number | 89930 |
| Engine Type Compatibility | 2-Cycle Engines |
| Oil Type | Synthetic Blend, Ashless, Premium |
| Mixing Ratio | 32:1 (Oil to Gasoline) |
| Container Size | 8 Ounces (236.5 ml) |
| Special Features | Fuel Stabilizer included, Anti-wear technology |
| Vehicle Service Type | Lawn Mower, String Trimmer, Leaf Blower, Chainsaw, Snow Blower (for 2-cycle engines) |
| Item Weight | 8 ounces |
| Product Dimensions | 1.6 x 2.8 x 5.2 inches |
| UPC | 021038899305 |
5. Safety Information
- Flammability: Engine oil and gasoline are highly flammable. Keep away from heat, sparks, open flames, and other ignition sources.
- Ventilation: Use in a well-ventilated area. Avoid breathing vapors.
- Skin and Eye Contact: Avoid prolonged or repeated skin contact. Wash thoroughly after handling. In case of eye contact, flush with water for several minutes. If irritation persists, seek medical attention.
- Ingestion: Do not ingest. If swallowed, do not induce vomiting. Seek immediate medical attention.
- Storage: Store in a cool, dry place, out of direct sunlight and away from incompatible materials. Keep containers tightly closed when not in use. Keep out of reach of children and pets.
- Disposal: Dispose of used oil and empty containers in accordance with local regulations. Do not pour into drains or dispose of with household waste.
- Proposition 65 Warning: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
6. Troubleshooting
Most common issues related to 2-cycle engine performance are often linked to incorrect fuel mixture or stale fuel.
- Engine Not Starting:
- Check if the fuel is freshly mixed with the correct 32:1 ratio.
- Ensure the fuel is not stale (older than 30 days without stabilizer, or longer with stabilizer but still past its prime).
- Verify the spark plug is clean and properly gapped.
- Excessive Smoke from Exhaust:
- Too much oil in the fuel mixture can cause excessive smoke. Recheck your mixing ratio.
- Ensure the oil is specifically for 2-cycle engines, not 4-cycle.
- Engine Lacks Power or Runs Rough:
- An incorrect fuel-to-oil ratio (either too much or too little oil) can lead to poor engine performance.
- Clogged fuel filter or carburetor due to old fuel or debris.
For persistent issues, consult your equipment's owner's manual or contact a certified service technician.
7. Warranty and Support
For specific warranty information regarding Lawn-Boy products, please refer to the documentation included with your Lawn-Boy engine or equipment. For product support or further inquiries about Lawn-Boy 2-Cycle Ashless Engine Oil, please visit the official Lawn-Boy website or contact their customer service department.
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