Do It Yourself Section My Garage Section Parts Look Up

Over 1,000,000 Orders Shipped Since 1997!

Do It Yourself - Outdoor Power Equipment Repair & Maintenance

How to Solve Common Mowing Problems

How to Solve Common Mowing Problems Posted in Lawn Care

Are there strips of uncut grass left behind by the mower after you are done mowing?

Are there sharp ridges left in the lawn surface?

Mowing problems can be frustrating when you can't figure out the cause behind them. These guidelines can teach you how to fix common mowing problems that you may be experiencing.

This information is only provided as a general guideline. Consult your owner's manual on specific recommendations for the power equipment you are using.

Streaking

How to solve common mowing problems

Streaking is when thin strips of uncut grass are left behind the mower. Streaking is usually caused by operator error or poor blade maintenance.

CAUSE

SOLUTION

Blades are not sharp

Sharpen your blades

Blades are worn down too far

Replace your blades

Engine speed is too slow

Always mow at full throttle

Ground speed is too fast

Slow down

Deck is plugged with grass

Clean out the mower

Not overlapping cutting rows enough

Overlap your cutting rows

Not overlapping enough when turning

When turning your effective cutting width decreases - overlap more.

Stepped Cutting

stepped cut

Stepped cutting is sharp ridges left in the lawn surface. Stepped cutting is usually caused by mower deck damage, mower blade, or misadjustment. damage.

CAUSE

SOLUTION

Deck is not leveled correctly

Level the deck correctly

Tires are not properly installed

Check and inflate tires

Blades are damaged

Replace the blades

Deck shell is damaged

Repair or replace the deck

Mower spindle is bent or loose

Repair or replace the spindle

Blades are installed incorrectly

Reinstall the blades correctly

Uneven Cutting

uneven cut

Uneven cutting is wavy or smooth troughs in the lawn surface. Uneven cutting is usually caused by mower deck damage or misadjustment.

CAUSE

SOLUTION

Deck is not leveled correctly

Level the deck correctly

Blades are dull or worn

Sharpen or replace the blades

Blades are damaged

Replace the blades

Deck is clogged with grass clippings

Clean out the deck

Deck shell is damaged

Repair or replace the deck

Mower spindle is bent or loose

Repair or replace the spindle

Blades are installed incorrectly

Reinstall the blades correctly

Scalping

scalping

Scalping is when the mower deck comes close to or hits the ground. Scalping can be caused by the mower deck misadjustment, unevenness in the lawn, or by mower deck bouncing due to the ground speed being too fast.

CAUSE

SOLUTION

Lawn in uneven or bumpy

Roll or level the lawn

Mower deck cutting height is set too low

Raise cutting height

Ground speed is too fast

Slow down

Deck is not leveled correctly

Correctly level the deck

Tire pressure is uneven

Check and inflate the tires

Stingers

stingers

Stingers are sparse patches of uncut grass left behind the mower. Stingers are usually caused by operator error or poor blade maintenance.

CAUSE

SOLUTION

Blades are not sharp or are nicked

Sharpen your blades

Blades are worn down too far

Replace your blades

Engine speed is too slow

Always mow at full throttle

Ground speed is too fast

Slow down

Deck is plugged with grass

Clean out the mower


Jack's Safety Tips: Before servicing or repairing any power equipment, disconnect the spark plug and battery cables. Remember to wear appropriate safety glasses and gloves to protect against harmful chemicals and debris. View our Disclaimer.