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John Deere X475 Lawn Tractor Problems

John Deere X475 Engine Troubleshooting

Kawasaki engine doesn't start

Empty fuel tank - Fill fuel up.
Incorrect fuel grade - Use correct gasoline grade.
Old gas - Drain fuel and add fresh.
Water or air in fuel system - Remove air or water from system.
Spark plug wire is loose or disconnected - Inspect and change if necessary.
Spark plug not working - Check ignition spark.
Fuel filter is plugged - Fuel filter needs changing.
Safety contact for brake pedal defective - Install new part.
Carburetor is not adjusted - Check carburetor float adjustment.
Test fuel transfer pump output. Check and adjust valve clearance.

Gas engine starts hard

Faulty spark plug - Check the spark and change defective spark.
Carburetor not adjusted - Adjust according to instructions.
Dirt in fuel lines - Clean fuel system components.
Throttle cable is not adjusted correctly - Check and adjust.
Stale or incorrect fuel - Fill in proper fuel.
Electrical connections are damaged - Checking and replace wiring if necessary.
Failing starter - Check starter, repair or replace.

Engine runs roughly

Clogged cooling fins - Clean cooling fins.
Loose electrical connections - Inspect and restore defective contacts.
Ignition setting defective - Test ignition and spark plug.
Throttle cable sticking - Repair or replace.
Air cleaner blocked - Clean or replace the air filter.

Engine runs but misses

Spark plug worn out - Test spark plug.
Carburetor malfunction - Inspect and overhaul.
Ignition coil not working - Replace defective component.

Kawasaki engine overheating

Engine runs under excessive load - Reduce loads.
Air intake screen plugged - Clean clogged components.
Engine oil high or too low - Inspect oil level.
Incorrect engine oil viscosity - Change engine oil.
Inspect crankshaft to main bearing clearance.
Too Fast idle - Adjust carburetor idle mixture screw.

Engine doesn't idle speed

Poor spark plug contact - Adjust spark plug gap.
Spark plug malfunction - Inspect the spark, replace if necessary.

Engine knocking

Stale gasoline - Change gasoline.
Engine overloaded - Reduce the load.
Low oil level - Add engine oil.
Engine is running at low revs - Adjust the speed.
Cylinder bore and rings are wear - Inspect and replace if required.
Check for engine overheating from plugged cooling fins.
Check and adjust crankshaft end play.
Check for worn crankshaft or camshaft bearings.

Kawasaki engine backfires

Check spark plug for fouled.
Adjust or change the choke.
Check and adjust carburetor.
Check and adjust ignition coil air gap.
Inspect inlet and outlet valves.
Checking and adjusting valve clearance.
Check flywheel key.

Loss of power

Engine overheating - Replace air cleaner.
Engine oil overfilled - Excess oil must be drained.
Fuel pump is damage - Test fuel pump output.
Governor problems - Repair or replace governor.
Check and overhaul carburetor.
Check engine compression.

Engine uses too much fuel

Throttle did not open fully - Replace throttle cable.
Carburetor is not working properly - Checking and adjusting carburetor.

Black smoke is emitted during operation

Air filter is dirty or oil soaked - Inspect and clean.
Throttle is partially engaged - Check and repair throttle.
Checking and adjusting carburetor float level.

John Deere X475 Electrical System Troubleshooting

Starter doesn't work or will not turn engine

Main fuse malfunction - Fit new fuse.
Battery terminals are corroded - Inspect and clean contacts.
Battery is discharged - Need to charge the battery.
Ignition lock defective - Replace switch.
Starter is not working - Replace or repair.
Wires disconnected - Reconnect wires.

Battery does not charge

Faulty cell in battery - Replace the battery.
No contact between cable and battery terminal - Replace or clean cable.

Lights do not work

Light plug not connected - Reconnect
Check lamps.
Inspect electrical wires for short- circuit.

John Deere X475 Machine Troubleshooting

The machine vibrates

Equipment drive belts worn out - Check and replace worn belt.
Traction drive belt damage - Installing new driven belt.
Drive pulley malfunction - Clean the sheaves.
The mower deck blades are bent or unbalanced - Balance the blades or replace.

Tractor will not move with engine running

Parking brake holds the tractor - Release the park brake.
Bypass valve pulled out - Disengage the bypass valve lever.
Loose lawnmower blades - Tighten mower blades.
Incorrect blade balancing - Check blade balancing.
Too little transmission oil - Check transmission oil lever.

John Deere X475 Lawn Mower Problems

Discharge Chute Plugged

Operating at a faster ground speed - Do not use high speed.
Grass has grown too long - Adjust the mower to a lower cutting height.
The grass is wet - Do not mow when grass is wet.
Engine speed reduced - The throttle is not fully open.
Restricted air flow - Set higher revs.
Lack of cutting height - Adjust cutting settings.
Incorrect belt installation - Fit belt correctly.

Lawn mower leaving uncut grass

Cutting deck clogging - Deck cleaning required.
Damaged blade - Installing new blade.
Deck too low - Leveling the mower deck.
Bagger too full - Empty bagger.
Travel speed too fast - Need to reduce speed.

Slipping drive belt

Dirt in the pulley - Check and clean.
Drive belt damage - Inspect and replace worn belt.
Belt tension is incorrect - Belt tension needs to be adjusted.

Too much mower vibration

Mower deck clogged or in sheaves - Clean sheave and deck from clogging.
Worn pulley or belt - Change defective components.
Belt or pulleys no adjustment - Inspect and centering.
No blade balance adjustment - Blades need balancing.

Blade strips grass

Cutting height improper - Check and adjust height.
Mower rollers not adjusted improperly - Check the wheel heights.
Tires inflated insufficient - Check and inflate the tires.
Higher blade speed - Correct blades speed.
Bent mower blades - Remove bent blade and install new one.

Uneven cutting results

Deck level is too low - Leveling the mower deck.
Tire pressure unequal - Increase tire pressure.
Wrong wheel position - Check the wheel heights.
Traveling too fast - Need to reduce speed.
Mower blades blunt - Installing new 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