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John Deere X370 Lawn Tractor Problems

John Deere X370 Engine Troubleshooting

Kawasaki engine does not start

No fuel in fuel tank - Fill gasoline up.
Low-quality gasoline - Use correct gasoline grade.
Stale gas - Drain gasoline and add fresh.
Dirty fuel system - Check and clean.
Spark plug defective - Install new spark plug wires.
Faulty spark plug - Test ignition spark.
Fuel filter is clogged - Change fuel filter.
Safety contact for brake pedal defective - Install new part.
Carburetor is not working properly - Inspect and adjust.
Inspect starter cranking speed RPM. Compression problems.

Engine hard to start

Faulty spark plug - Test spark and replace as required.
Problems with carburetor adjustment - Adjust as required.
Fuel lines are clogged - Service required.
Throttle cable worn - Install new throttle cable.
Old or improper fuel - Pour quality gasoline.
Electrical wires are damaged - Check and replace wires if necessary.
Starter problems - Test starter and repair if necessary.

Rough running engine

Cooling fins plugged - Clean cooling fins.
Loose electrical contacts - Inspect and restore defective contacts.
Ignition adjustment lost - Check ignition and adjust if necessary.
Throttle cable sticking - Check and replace.
Air cleaner dirty - Clean or replace the air filter.

Engine misses under load

Spark plug fail - Check spark plug for fouled condition and proper gap.
Carburetor problems - Test and repair.
Ignition coil not working - Replace defective component.

Kawasaki engine overheating

Excessive engine load - Reduce loads.
Air inlet or cooling fins blocked - Clean and wash dirty components.
Too much or too little oil - Inspect oil pump for damage or worn.
Low quality engine oil - Change oil.
Check connecting rod to crankshaft bearing clearance.
Too Fast idle - Adjust carburetor for slower idle speed.

Engine does not idle

Spark plug not gapped correctly - Check tightness of spark plug.
Spark plug worn out - Test spark and change as required.

Engine knocks

Low octane fuel - Change gasoline.
Engine overloaded - Reduce loads.
Oil level low - add oil as required.
Engine runs at low revs - Adjust the speed.
Cylinder bore or piston rings are damaged - Replace defective components.
Inspect for engine overheats from clogged cooling fins.
Check and adjust crankshaft end play.
Check for carbon build-up in combustion chamber.

Kawasaki engine backfires

Inspect spark plug and change if required.
Adjust or change the choke.
Adjust carburetor idle mixture screw.
Inspect and adjust ignition coil air gap.
Inspect inlet and outlet valves.
Check and adjust valve clearance.
Check flywheel key.

Engine lacks power

Engine temperature too high - Check air cleaner for plugged condition.
Engine oil overfilled - Excess oil needs to be drained.
Fuel pump problems - Repair or replace fuel pump.
Governor not work - Repair or replace governor.
Check carburetor float adjustment.
Checking engine compression.

Engine using too much gasoline

Choke didn't open fully - Adjust throttle cable.
Carburetor problems - Check and adjust carburetor.

Black exhaust smoke

Air filter is dirty or oil soaked - Check and clean.
Choke partially engaged - Replace or repair choke.
Inspect carburetor needle valve and seat for wear or damage.

John Deere X370 Electrical System Troubleshooting

Starter doesn't work or will not turn engine

Blown main fuse - Check and change.
Terminals are severely corroded and heat up - Clean contacts.
Low charging voltage - Battery charging required.
Ignition switch problems - Replace the lock.
Starter is damaged - Install new starter.
Wiring damage - Reconnect wires.

Battery doesn't charge

Battery cells defective - Change the battery.
Poor contact between cable and battery pole - Check and Clean.

No Lights work

Light plug defective.
Loose or burned out bulb.
Inspect electrical wires for short-circuit.

John Deere X370 Machine Troubleshooting

Excessive tractor vibration

Implements driven belt damaged or worn - Check and replace worn belt.
Traction drive belt worn - Fit new belt.
Drive sheaves malfunction - Replace if necessary.
The mower deck blades are bent or unbalanced - Replace defective blades.

The engine is running but tractor is not moving

parking brake blocks the tractor - Unlock park brake.
Bypass valve pulled out - Set bypass valve to the off position.
Loose lawnmower blades - Checking blades for loose bolts.
Blades are unbalanced - Check blade balancing.
Low transmission oil - Topping up oil.

John Deere X370 Lawn Mower Problems

Clogged discharge chute

Lawn mower is driving too fast - Choose recommended speed.
Too high grass for mowing - Adjusting cutting height.
Wet grass - Wait until later to cut.
Engine rpm reduced - Adjust throttle to full opening.
Restricted air flow - Check engine rpm.
cut too low - Adjust cutting settings.
Belt installed incorrectly - Reinstall the belt properly.

Lawn mower leaving uncut grass

Mower deck clogged - Deck cleaning required.
Defective blade - Checking for blade fault and change if required.
Mower deck low - Checking and adjust deck height.
Grass bag too full - Empty bagger.
Ground speed too fast - Need to reduce speed.

Belt slips

Dirt in the pulley - Clean or replace.
Belt is worn out - Check and change damaged belt.
Belt tension improper - Adjust belt tension.

Mower vibrates

Debris on mower deck or in sheaves - Remove clogging from mower deck or sheaves.
Worn sheaves or belt - Replace defective components.
Belt or pulleys out of centering - Check and adjust.
Blades out of balance - Blades need balancing.

Blades scalp grass

Incorrect height cutting - Set the proper cutting height.
Mower height wheels not adjusted - Adjust mower deck wheels.
Low tire inflation - Inflate tires as required.
Higher blade speed - Correct blades speed.
Bent blades during operation - Install new blades.

Uneven Cut

Mower deck not leveled properly - Leveling the mower deck.
Low tire inflation - Inflate tires as required.
Incorrect wheel height - Check the wheel heights.
Ground speed too high - Operate the mower at low speed.
Mower blade bent or worn - 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