What causes the drive on my Toro Lawn Mower to be too aggressive?
- HHannah MillerSep 13, 2025
If the drive on your Toro Lawn Mower is too aggressive, it may be because the by-pass valve is adjusted too far closed, so adjust the by-pass valve.

What causes the drive on my Toro Lawn Mower to be too aggressive?
If the drive on your Toro Lawn Mower is too aggressive, it may be because the by-pass valve is adjusted too far closed, so adjust the by-pass valve.
| Category | Lawn Mower |
|---|---|
| Fuel Type | Gasoline |
| Transmission | Hydrostatic |
| Type | Walk Behind |
| Deck Material | Steel |
| Drive Type | Self-Propelled |
| Warranty | 3 years limited |
Follow ANSI B71.4-1999 safety instructions for proper operation.
Emphasizes training operators and mechanics on safe equipment operation.
Evaluates terrain, clothing, area inspection, and fuel handling for safe operation.
Highlights the importance of reading safety instructions and using protective gear.
Introduces various controls like throttle, OPC levers, ignition switch, and hour meter.
Specifies unleaded regular gasoline, avoiding methanol or high ethanol content.
Recommends using a fuel stabilizer for fuel freshness and system cleaning.
Provides step-by-step instructions for safely filling the fuel tank.
Instructions to check the engine oil level before starting the machine.
Lists loose parts and their use for assembly, presented in a chart.
Provides a schedule of maintenance tasks based on operating hours.
Instructions to check hydraulic fluid level and type.
Detailed steps for adjusting the speed control linkage for proper operation.
Procedure to adjust the left side hydro control linkage for neutral position.
Procedure to check brake operation and engagement force.
Steps to adjust the parking brake for secure holding.
Procedure to check if cutting blades are bent.
Steps for setting up the frame and checking deck alignment.
Adjusts front height-of-cut posts to set the deck's front-to-rear pitch.
Outlines owner's responsibilities for product maintenance and care.
Lists exclusions from the warranty coverage.
Describes warranty repair process and limitations.
Provides steps for contacting dealers and service centers for warranty claims.











