What causes excessive mower vibration in my Ferris 400?
- AAndrew WillisSep 10, 2025
Excessive mower vibration in your Ferris Lawn Mower can be caused by loose blade mounting bolts; tighten them to 50-60 ft lbs (68-81 Nm).
What causes excessive mower vibration in my Ferris 400?
Excessive mower vibration in your Ferris Lawn Mower can be caused by loose blade mounting bolts; tighten them to 50-60 ft lbs (68-81 Nm).
Why is the engine exhaust black on my Ferris 400?
Black engine exhaust on your Ferris Lawn Mower could be due to a dirty air filter, so replace it. Another possible cause is that the engine choke is in the closed position; open the choke control to resolve this.
How to fix streaking when cutting grass with my Ferris 400 Lawn Mower?
If your Ferris Lawn Mower is leaving streaks, try these solutions: * Sharpen or replace the blades. * Always mow at full throttle. * Slow down your ground speed. * Clean out the mower deck. * Overlap your cutting rows adequately, especially when turning.
Why does my Ferris 400 engine start hard or run poorly?
If your Ferris Lawn Mower engine starts hard or runs poorly, it could be due to a fuel mixture that's too rich. Try cleaning the air filter and checking the choke adjustment. Also, the spark plugs might be faulty, fouled, or incorrectly gapped; clean and gap, or replace them.
What causes uneven cutting with my Ferris 400 Lawn Mower?
Uneven cutting with your Ferris Lawn Mower can be caused by several factors: * The deck may not be leveled correctly; level the deck. * Blades might be dull, worn, or damaged; sharpen or replace them. * The deck could be clogged with grass clippings; clean out the deck. * The deck shell might be damaged; repair or replace the deck. * The mower spindle could be bent or loose; repair or replace the spindle. * Blades might be installed incorrectly; reinstall them correctly. * Tire inflation may be improper; check and inflate the tires.
Why is my Ferris 400 experiencing excessive oil consumption?
Excessive oil consumption in your Ferris Lawn Mower could be due to too much oil in the crankcase; drain the excess oil. Alternatively, the engine might be running too hot; clean the engine fins, blower screen, and air cleaner.
What causes the rider drive belt to slip on my Ferris Lawn Mower?
If the rider drive belt slips on your Ferris Lawn Mower, it could be because the pulleys or belt are greasy or oily; clean as required.
What to do if the mower drive belt slips or fails to drive on my Ferris Lawn Mower?
If the mower drive belt slips or fails to drive on your Ferris Lawn Mower, it could be because the idler pulley spring is broken or not properly attached; repair or replace as needed. Another cause is that the mower drive belt is broken; replace it.
Why is my Ferris 400 Lawn Mower engine knocking?
Your Ferris Lawn Mower engine might be knocking because of a low oil level; check and add oil as required. It could also be due to using the wrong grade of oil.
What causes scalping when using my Ferris 400 Lawn Mower?
Scalping with your Ferris Lawn Mower can occur if the deck is not leveled correctly; correctly level the deck. Also, low or uneven tire pressure can cause scalping; check and inflate the tires.
Locate model and serial number for service and parts.
Covers safe operation, children, moving parts, and general warnings.
Specific guidance for operating the mower on inclines.
Safety rules for refueling and performing maintenance.
Procedures for starting the engine and practicing zero-turn control.
Steps and recommendations for effectively cutting grass.
Recommended service intervals and critical safety steps before maintenance.
How to perform engine oil changes and filter replacements.
Locate model and serial number for service and parts.
Covers safe operation, children, moving parts, and general warnings.
Specific guidance for operating the mower on inclines.
Safety rules for refueling and performing maintenance.
Procedures for starting the engine and practicing zero-turn control.
Steps and recommendations for effectively cutting grass.
Recommended service intervals and critical safety steps before maintenance.
How to perform engine oil changes and filter replacements.
| Brand | Ferris |
|---|---|
| Model | 400 Series |
| Category | Lawn Mower |
| Language | English |











