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John Deere X350R Troubleshooting
The
John Deere X350R is a 2-wheel drive lawn tractor from Select X300 series. This
model was manufactured from 2016 to 2025. The John Deere X350R 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 Tuff Torq hydro transmission with infinite
forward and reverse gears. The John Deere X350R 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 464 lbs (210
kg). The tractor is compatible with the following attachments: 42"
mid-mount 2-blade right-discharge mower deck with a cutting height of
1.0-4.0 in (25-102 mm), 44" front-mount 2-stage snow blower with manual
lift system, and 44" front blade.
Engine Troubleshooting |
Engine difficult to start or will not start |
Gas tank is empty - Fill it up |
Wrong grade of gasoline - Use quality gasoline |
Dirty fuel lines - Inspect and clean |
Damaged spark plug wiring connection - Check the spark plug wire connection, repair or replace |
Damaged spark plug - Change spark plug |
Clogged fuel filter - Replace fuel filter |
Safety contact for brake pedal defective - Install new part |
Carburetor is clogged - Clean the carburetor |
Poor engine compression - Check cylinder block and replace damaged components |
Throttle cable is damaged or adjusted incorrectly - Adjust correctly or change the cable |
Air intake screen is blocked - Need to clean or wash |
Ignition system is defective - Check ignition and replace faulty components |
Throttle cable is stuck or faulty - Clean or replace the cable |
Clogged air filter - Change or clean air filter |
Dirty or faulty fuel pump - Clean or change fuel pump |
Engine starts and stalls suddenly |
Faulty spark plug - Spark plug need to be replaced |
Dirty or defective carburetor - Service or change carburetor |
Damaged ignition coil - Install a new ignition coil |
Valve springs are weak or broken - Install new valve springs |
Valves are stuck - Clean the valves |
Not enough engine oil - Fill the crankcase with engine oil |
Engine overloaded - Reduce engine load |
Clogged cooling fins - Clean and wash as required |
Too lean fuel mixture in carburetor - Set the carburetor correctly |
Wrong ignition timing - Set the ignition timing correctly |
Incorrect valve setting - Valves needs to be set correctly |
Stale or low octane fuel - Change gasoline |
Engine overloaded - Load reducing is recommended |
Engine oil level low - Add oil to the engine crankcase |
Wrong adjustment of low idle speed - Test and adjust |
Dirty or faulty fuel pump - Test fuel pump and change if necessary |
Crankshaft or main bearings wear - Have bearings or crankshaft replaced |
Improper valve clearance - Adjust valve clearance according to specifications |
Damaged piston rings or cylinder bore - Replace faulty parts |
Carburetor is incorrectly adjusted or dirty - Service or properly adjust carburetor |
Clogged air filter - Change or clean air filter |
Fuel pump is clogged or faulty - Service or change fuel pump |
Ignition failure - Inspect ignition system and change faulty parts |
Cylinder head gasket is damaged - Cylinder-head gasket replacement required |
Burned or stuck valves - Clean or replace valves |
Push rod is worn or damaged - Push rod needs to be changed |
Worn cylinder block components - Replace defective components as required |
Insufficient throttle opening - Adjust or replace throttle cable |
Improper carburetor main jet adjustment - Adjust it correctly |
Spark plug is defective or loose - Tighten or replace spark plug |
Worn, stuck, or burned valves - Service or replace valves |
Worn sleeve, piston, or rings - Change defective parts |
Valve clearance is wrong - Adjust valve clearance according to specifications |
Engine oil consumption is too high |
Seals or gaskets are defective - New components need to be installed |
Worn valve stems and valve guides - Valves need to be changed |
Piston rings are stuck or broken - Install new piston rings |
Cylinder liner or piston is damaged - Inspect piston and liner, fit new components as necessary |
Blocked breather pipe or hose - Change or service |
Hydrostatic Transmission Troubleshooting |
HST transmission noises |
Worn or out of adjustment speed control linkage - Adjust or repair linkage |
Transmission overload - Reduce loading |
Insufficient oil level or contaminated oil - Fill to required level or change the transmission oil |
Transmission components are damaged or worn - Replace or repair defective components |
Damaged or loose shift linkage - Change or repair linkage |
Defective or stuck hydrostatic pump - Change or repair pump |
Damaged or unadjusted transmission shift control components - Adjust correctly or replace |
Transmission oil insufficient - Fill the transmission housing to proper oil level |
Drive sheave is defective or worn - Change sheave |
Unadjusted or broken shift linkage - Replace or adjust linkage |
Worn or unadjusted speed control linkage - Change or adjust linkage |
Transmission gaskets or seals are damaged - Install new seals or gaskets |
Leaking final drive shaft - Install new shaft seals |
Cracked transmission housing - Housing needs to be replaced |
Mower Deck Troubleshooting |
Excessive mower vibration |
Worn or dirty mower drive pulley - Change or clean pulley |
Damaged or loose drive belt - Adjust belt tension or replace belt |
Unbalanced or warped mower blades - Balance or change blades |
Loose blade bolts tightening - Bolts need to be tightened |
Discharge chute regular clogging |
Mowing speed is too high - Need to slow down |
Tall grass - Adjust mower to lower cutting height |
Engine rpm is too low - Open choke fully |
Mower deck set to low cutting - Must be set to high cutting height |
Mower deck drive belt installed incorrectly - Drive belt must be installed correctly |
Grass patches are not cut |
Deck is plugged with grass - Check cutting deck and clean as necessary |
Not sharp blades - Blades need to be sharpened |
Blades are defective or worn - Blades must be changed |
Mowing speed is too high - Select a slower speed |
Low cutting height - Use correct cutting height |
Grass bag is overfilled - Grass bag must be empty |
Blades are scalping the grass |
Bumpy or unleveled lawn - Lawn needs to be leveled |
Cutting height is too low - Need to set high cutting height |
High ground speed - Select a slower speed |
Deck is not leveled correctly - Deck needs to be adjusted properly |
Blades are bent or worn - Blades need to be replaced |
Incorrect tire pressure - Need to inflate tires |
Tires are not correctly inflated - Inflate tires correctly |
Incorrectly leveled mower deck - Deck needs to be adjusted properly |
Blades are too dull - Sharpen the blades |
Bent or worn blades - Replace the blades |
Cutting deck clogging - Check cutting deck and clean as necessary |
Broken mower deck shell - Rebuild or replace mower deck |
Loose or defective mower spindle - Repair or replace the spindle |
Electrical Troubleshooting |
Battery does not charge |
Electrical wire connections are loose or corroded - Tighten or clean electrical wiring connections |
Defective battery terminal connectors - Install new terminal connectors |
Faulty cell in battery - Change the battery |
Battery capacity is low - Battery is drained, charge it |
Battery discharges quickly - Service or change the battery |
Bad terminals or disconnected battery cables - Connect wiring properly or install new terminals |
Battery is drained or defective - Charge or replace the battery |
Disconnected or incorrectly connected wires - Inspect battery wires and connect correctly |
Battery power is low - Recharge the battery |
Faulty or incorrectly gapped spark plug - Replace or clean and gap |
Damaged starter motor or solenoid - Repair starter or change solenoid |
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Lawn and Garden Tractors Technical Specs |