________________________________________________________________________________________
John Deere X350 Troubleshooting
The
John Deere X350 lawn tractor from Select X300 Series was manufactured between
2016 and 2025. The John Deere X350 tractor can be powered by the following
engines: Kawasaki FS600V 4-cycle V-twin cylinder OHV air-cooled gasoline engine
with a rated power of 18.5 Hp (13.8 kW) or Kawasaki FR651V 4-cycle V-twin
cylinder OHV air-cooled gasoline engine with a rated power of 21.5 Hp (16 kW).
This model is fitted with a belt-driven hydro transmission with infinite
forward and reverse gears. The John Deere X350 is equipped with a manual
steering, electric PTO clutch, wet disc brakes, 15x6.00-6 front tires,
and 20x10.00-8 rear tires. The operating weight is 468 lbs (212 kg). The
tractor is compatible with а 42" mid-mount 2-blade mower deck or 48"
mid-mount 3-blade mower deck with a mechanical lift system, 44"
front-mount dual-stage snowblower, and 44" front blade.
| Engine Troubleshooting |
| Engine doesn't start or difficult to start |
| No fuel in fuel tank - Add gasoline |
| Improper fuel grade - Change fuel |
| Air in fuel system - Bleed fuel system |
| Spark plug wiring connection is defective - Inspect spark plug wiring connection, change or repair |
| Faulty spark plug - Spark plug need to be replaced |
| Dirty fuel filter - Change fuel filter |
| Brake pedal not pushed down - Push the brake pedal down |
| Carburetor not adjusted - Adjust according to instructions |
| Weak cylinder compression - Inspect cylinder block and change worn parts |
| Incorrectly adjusted or damaged throttle cable - Adjust correctly or replace the cable |
| Cooling fins are blocked - Clean and wash as required |
| Defective ignition - Check ignition system and replace faulty parts |
| Choke cable is faulty or stuck - Service or replace the cable |
| Air filter element is clogged - Clean or replace air filter |
| Fuel pump is dirty or defective - Clean or install new fuel pump |
| Engine starts and then stalls |
| Damaged spark plug - Change spark plug |
| Dirty or faulty carburetor - Service or repair carburetor |
| Defective ignition coil - Change ignition coil as required |
| Valve springs are damaged or weak - Change valve springs |
| Stuck valves - Service the valves |
| Insufficient engine oil - Checking oil level and add if necessary |
| Engine is under excessive load - Load reducing is recommended |
| Air intake grill is clogged - Wash or clean as required |
| Carburetor mixture is too lean - Adjust carburetor correctly |
| Bad ignition timing - Adjust ignition timing correctly |
| Valve setting is improper - Adjust valves as required |
| Abnormal engine knocking or noise |
| Stale gasoline - Change fuel |
| Engine is overloaded - Load reducing required |
| Low engine oil level - Checking oil level and add if necessary |
| Low idle speed setting is not correct - Need to adjust idle speed |
| Dirty or defective fuel pump - Inspect fuel pump and change as required |
| Worn crankshaft or main bearings - Replace crankshaft or bearings |
| Excessive valve clearance - Need to adjust valve clearance |
| Piston rings or cylinder bore are worn - Replace defective components |
| Carburetor is dirty or improperly adjusted - Adjust the carburetor correctly or clean it |
| Air filter is blocked - Clean or change air filter |
| Fuel pump is defective or dirty - Test fuel pump and replace if necessary |
| Ignition system failure - Check ignition and replace faulty components |
| Damaged cylinder-head gasket - Replace the gasket as required |
| Stuck or burned valves - Replace or service valves |
| Damaged or worn push rod - Replace push rod |
| Faulty cylinder block parts - Change defective components |
| Engine uses too much fuel |
| Throttle is not fully open - Change or adjust throttle cable |
| Carburetor main jet is improperly adjusted - Adjust it properly |
| Loose or defective spark plug - Spark plug need to be tightened or replaced |
| Valves are worn, burned or stuck - Replace or service valves |
| Piston, sleeve, or rings are damaged - Change faulty components |
| Excessive valve clearance - Adjust to proper valve clearance |
| Engine consuming too much oil |
| Worn seals or gaskets - Worn parts need to be replaced |
| Valve guides or stems are damaged - Need to replace the valves |
| Damaged or seized piston rings - Have piston rings replaced |
| Cylinder liner or piston is scored - Inspect liner and piston, fit new parts as necessary |
| Breather pipe or hose is blocked - Change or clean |
| Hydrostatic Transmission Troubleshooting |
| HST transmission is making noise |
| Defective or not adjusted speed control pedal linkage - Repair or adjust linkage |
| Excessive transmission load - Load needs to be reduced |
| Contaminated transmission fluid or low fluid level - Add fluid to the correct level or fill the transmission with fresh fluid |
| Damaged or worn components of hydrostatic transmission - After disassembling and inspection, change defective components |
| Shift linkage is stuck or damaged - Clean or change linkage |
| Hydrostatic pump is blocked or defective - Repair or change pump |
| Worn or misadjusted transmission shift control parts - Change or adjust correctly |
| Low fluid level - Fill the transmission housing to proper fluid level |
| Drive pulley is worn or faulty - Change pulley |
| Misadjusted or faulty shifting linkage - Adjust properly or replace linkage |
| Defective or not adjusted speed control pedal linkage - Adjust or change linkage |
| Damaged transmission seals or gaskets - Change seals or gaskets |
| Final drive shaft leakage - Change shaft seals |
| Cracked transmission case - Replace defective case or transmission assembly |
| Mower Deck Troubleshooting |
| Mower vibrates too much |
| Clogged or damaged mower drive sheave - Clean or change sheave |
| Loose or worn drive belt - Belt needs to be adjusted or replaced |
| Bent or unbalanced mower blades - Balance or change as needed |
| Blade mounting bolts are loose - Tighten it fast |
| Discharge chute is constantly plugged |
| Fast mowing speed - Use a slower speed |
| Grass is too high - Need to set low cutting height |
| Engine runs at low revs - Adjust carburetor to higher rpm |
| Low cutting height - Use a higher cutting height |
| Drive belt installed improperly - Install drive belt correctly |
| Deck clogged with grass clippings - Clean mower deck as required |
| Blades are too dull - Need a blade sharpening |
| Defective or worn blades - Replace the blades |
| High mowing speed - Use a lower speed |
| Cutting level is too low - Need to set high cutting height |
| Bagger is full - Bagger must be empty |
| Lawn is bumpy or not smooth - Lawn leveling required |
| Low cutting height - Use a higher cutting height |
| Fast mowing speed - Select a lower speed |
| Incorrect level of mower deck - Adjust the level of mower deck correctly |
| Damaged or bent blades - Blades must be changed |
| Low tire inflation - Check and inflate the tires |
| Mower deck to cut unevenly |
| Low tire inflation - Inflate tires as required |
| Incorrect level of mower deck - Level the deck correctly |
| Blades are excessively dull - Need a blade sharpening |
| Blades are defective or worn - Install new blades |
| Clogged mower deck - Mower deck needs to be cleaned |
| Deck shell is broken - Replace or repair the deck |
| Mower spindle is loose or defective - Install new spindle or repair it |
| Electrical Troubleshooting |
| Battery won’t charge |
| Corroded or loose wire connections - Tighten or service connections |
| Defective battery terminal clamps - Install new terminal clamps |
| Battery bad cell - Replace the battery |
| Battery power is low - Recharge the battery |
| Battery drains quickly - Service charging system or replace battery |
| Disconnected battery cables or bad terminals - Check cables and clean or change terminals |
| Battery is drained or worn - Charge or change the battery |
| Battery wiring is disconnected or improperly connected - Inspect wiring and connect as required |
| Low battery output - Battery needs to be recharged |
| Incorrectly gapped or worn spark plug - Clean and gap or replace |
| Starter motor or solenoid failing - Change solenoid or repair starter |
________________________________________________________________________________________
________________________________________________________________________________________
| Lawn and Garden Tractors Technical Specs |
