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John Deere LX255 Lawn Tractor Problems

John Deere LX255 Engine Troubleshooting

Kohler engine does not start

Fuel tank is empty - Add gasoline.
Improper fuel grade - Use correct gasoline grade.
Old fuel - Drain gasoline and change with fresh.
Clogged fuel system - Remove clogging.
Faulty spark plug wire - Inspect and change if necessary.
Spark plug damaged - Change as required.
Fuel filter is dirty - Fuel filter needs changing.
Faulty safety switch - Change damaged switch.
Carburetor is clogged - Clean the carburetor.
Check and adjust governor linkage. Check the Valves and Compression System.

Engine hard starting

Spark plug wear - Inspect the spark, change if necessary.
Problems with carburetor adjustment - Adjust as required.
Dirt in fuel pipes - Service required.
Throttle cable worn - Install new throttle cable.
Old or incorrect fuel - Drain and add proper fuel.
Electrical wires are damaged - Inspect and replace wiring as needed.
Starter fault - Check starter, repair or replace.

Engine runs roughly

Cooling fins are clogged - Remove dirt from cooling fins.
Loose electrical connections - Check and replace damaged connections.
Ignition adjustment lost - Check spark plug and ignition.
Throttle cable sticking - Check and replace.
Air filter dirty - Clean or replace the air filter.

Engine stops or misses

Spark plug failed - Inspect spark plug wire.
Carburetor defective or not adjusted - Repair or adjust.
Ignition coil defective - Test ignition coil and replace if necessary.

Kohler engine overheats

Engine overloaded - Reduce the load.
Air inlet or cooling fins blocked - Clean and wash dirty components.
Too little or too much oil - Inspect oil level.
Low quality engine oil - Change engine oil.
Check internal bearing clearance.
Idle speed problems - Adjust carburetor for slower idle speed.

Engine does not idle

Spark plug is loose - Check spark plug gap.
Faulty spark plug - Test spark and change as required.

Engine knocking

Low octane gasoline - Use proper gasoline.
Engine overloaded - Reduce loads.
Lack of engine oil - Check oil level and add if necessary.
Low engine speed - Adjust the speed.
Cylinder bore and rings worn out - Inspect and replace if required.
Inspect for engine overheats from clogged cooling fins.
Inspect and adjusting crankshaft end play.
Checking for wear crankshaft or camshaft bearings.

Engine back-fire

Inspect spark plug and change if required.
Adjust or replace choke.
Test carburetor, adjust if necessary.
Inspect and adjust ignition coil air gap.
Inspect for sticking valves.
Inspect and set valve clearance.
Checking flywheel key.

Kohler engine does not develop full power

Engine overheats - Clean or replace air filter.
Too much oil in engine - Remove excess oil.
Fuel pump broken - Test fuel pump output.
Governor not work - Checking and adjusting governor.
Inspect and repair carburetor.
Test engine compression.

Engine getting too much fuel

Choke doesn't open well - Adjust choke cable.
Carburetor is not adjusted - Check and adjust carburetor.

Emits black smoke

Air cleaner is dirty or oiled - Inspect and clean.
Throttle is partially engaged - Inspecting and adjusting choke.
Check oil fill dipstick O-ring seal or cracked cap.

John Deere LX255 Electrical System Troubleshooting

Starter does not function

Main fuse malfunction - Fit new fuse.
Poor terminal connection - Clean contacts.
Low-voltage battery - Battery charging required.
Ignition switch defective - Change the lock.
Starter fault - Change the starter.
Electrical wires are damaged - Connect wires.

Battery doesn't charge

Battery cells defective - Replace the battery.
Poor contact between cable and battery pole - Inspect and Clean.

Lighting does not function

Headlight wire connector disconnected.
Check lamps.
Wiring damaged - Check and replace.

John Deere LX255 Machine Troubleshooting

Excessive tractor vibration

Attachment driven belt worn or damaged - Belt replacement required.
Worn traction drive belt - Check and replace belt.
Drive pulley malfunction - Change if necessary.
Mower blades malfunction - Replace defective blades.

Engine runs but tractor won't move

Parking brake holds the tractor - Release the parking brake.
Bypass valve lever activated - Set bypass valve to the off position.
Loose lawnmower blades - Fasten the blades securely.
Unbalance in one or both blades - Check blade balancing.
Low transmission oil - Topping up oil.

John Deere LX255 Lawn Mower Problems

Discharge Chute Plugged

Traveling too fast - Choose recommended speed.
Too high grass for mowing - Adjusting cutting height.
The grass is wet - Do not use the mower if grass is wet.
Low engine speeds - Engine speed must be increased.
Loss of airflow - Check engine speed.
Cutting too low - Adjust to higher cutting.
Improper belt installation - Reinstall the belt properly.

Lawn mower leaving uncut grass

Clog in discharge area - Mower deck needs cleaning.
Excessive blade wear - Checking for blade fault and change if required.
Mower deck low - Leveling the mower deck.
Bagger too full - Empty the grass bag.
Traveling too fast - Need to reduce speed.

Belt Slipping

Dirt in the sheaves - Recommend cleaning the sheaves.
Drive belt wear - Install new belt.
Poor belt tension - Belt tension needs to be adjusted.

Mower vibrates

Mower clogged or in pulleys - Clean mower deck and sheave from debris.
Damaged pulleys or belt - Replace worn components.
Belt or sheaves no adjustment - Inspect and centering.
No blade balance adjustment - Blade balance required.

Blade strips grass

Incorrect height cutting - Raise cutting height.
Mower wheel height incorrect - Adjust mower deck wheels.
Tires inflated insufficient - Tire pressure required.
Faster mower blade speeds - Adjust the blade speed.
Bent blades during operation - Remove bent blade and fit new one.

Uneven Cut

Mower deck low - Checking and adjust deck height.
Insufficient tire pressure - Tire pressure required.
Wheels not positioned correctly - Adjust front or back wheel height.
Traveling too fast - Operate the mower at low speed.
Mower blade worn or bent - Sharpen or replace blade.

JOHN DEERE TRACTORS ATTACHMENTS
420	430	455	790	990
X300	X320	X330	X350	X475
X485	X500	X540	X570	X590
X700	X720	X738	X758	1023E
2025R	2210	2520	3025E	3032E
3038E	3038R	3039R	3046R	3203
3320	3520	4052R	4066R	4100
4105	4115	4200	4310	4320
4400	4410	4520	4600	4720

JD TRACTORS TROUBLESHOOTING
2640	3040	3310	3650	4100
5050D	5090R	5410	6105R	7200R
E130	L111	LA110	LT155	X300R