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John Deere X107 Troubleshooting
The
John Deere X107 is a two-wheel drive lawn tractor from X100 series. This model
was manufactured from 2021 to 2025. The driveline consists of 000 cu.in (0.0 L)
Briggs and Stratton 31R977 Intek 4-cycle single cylinder OHV vertical shaft
air-cooled gasoline engine with a rated power of 14.9 Hp (11.2 kW), and
belt-driven hydrostatic transmission with infinite forward and reverse gears.
The John Deere X107 is equipped with a manual steering system,
mechanical PTO clutch, disc brakes, 15x6.00-6 front tires, and 20x8.00-8
rear tires. The operating weight is 425 lbs (192 kg). The John Deere
X107 tractor is compatible with the following attachments: 42" mid-mount
2-blade mower deck with a mechanical lift system, 44" front-mount
1-stage snow blower, and 46" front blade.
Engine Troubleshooting |
Engine starts hard or will not start |
Empty fuel tank - Add gasoline |
Wrong grade of gasoline - Change gasoline |
Air in fuel tank - Bleed fuel tank |
Loose or disconnected spark plug wire - Inspect the spark plug wire connection, replace or repair |
Spark plug is faulty - Spark plug need to be replaced |
Fuel filter is dirty - Replace fuel filter |
Faulty safety switch - Change damaged switch |
Carburetor components worn out - Repair or replace parts |
Poor cylinder compression - Check cylinder block and change worn parts |
Choke cable is damaged or not adjusted properly - Adjust properly or replace the cable |
Clogged cooling fins - Need to clean or wash |
Ignition failure - Check ignition system and replace faulty parts |
Faulty or stuck choke cable - Change or clean the cable |
Air filter element is clogged - Service or replace air filter |
Dirty or defective fuel pump - Check fuel pump and change if required |
Engine starts and stops immediately |
Defective spark plug - Change spark plug as required |
Defective or dirty carburetor - Clean or replace carburetor |
Ignition coil is defective - Ignition coil should be replaced |
Valve springs are broken or bad - Install new valve springs |
Valves are stuck - Service the valves |
Engine oil insufficient - Check oil level and add oil as required |
Engine is under excessive load - Reduce the load |
Clogged cooling fins - Need to clean or wash |
Carburetor fuel mixture is too lean - Adjust carburetor properly |
Ignition timing is improper - Adjust ignition timing correctly |
Valve setting is wrong - Set the valves correctly |
Abnormal engine noise or knocking |
Low octane fuel - Use proper fuel |
Engine overload - Reduce engine load |
Engine oil level is low - Checking oil level and add if necessary |
Low idle speed setting is not correct - Correct idle adjustment |
Fuel pump is clogged or faulty - Service or replace fuel pump |
Worn crankshaft or main bearings - Replace crankshaft or bearings |
Valve clearance is not correct - Check and adjust |
Cylinder bore or piston rings are damaged - Replace faulty parts |
Carburetor is incorrectly adjusted or clogged - Adjust carburetor properly or service it |
Air filter is blocked - Replace or service air filter |
Dirty or defective fuel pump - Clean or replace fuel pump |
Ignition failure - Inspect ignition system and change faulty parts |
Damaged cylinder-head gasket - Install new head gasket |
Valves are stuck or burned - Clean or replace valves |
Push rod is worn or damaged - Push rod should be replaced |
Damaged cylinder block components - Defective components need to be replaced |
Excessive fuel consumption |
Choke doesn't open well - Adjust or replace choke cable |
Incorrect carburetor main jet adjustment - Adjust the carburetor main jet correctly |
Loose or defective spark plug - Spark plug need to be replaced or tightened |
Stuck, burned, or worn valves - Service or change valves |
Worn sleeve, piston, or rings - Replace faulty parts as required |
Valve clearance is incorrect - Adjust valve clearance |
Engine using too much oil |
Seals or gaskets are defective - Install new components |
Damaged valve stems or valve guides - Replace the valves |
Damaged or seized piston rings - Have piston rings replaced |
Worn piston or cylinder liner - Check piston and liner, change as required |
Breather pipe or hose is plugged - Service or replace |
Hydrostatic Transmission Troubleshooting |
Hydrostatic transmission noises |
Speed control linkage is worn or unadjusted - Adjust or replace linkage |
Excessive loading - Load needs to be reduced |
Fluid is contaminated or fluid level is insufficient - Fill to required level or change the fluid |
Defective or worn transmission parts - Replace or repair defective components |
Shift linkage is loose or broken - Service or change the linkage |
Hydrostatic pump is faulty or seized - Change or repair pump |
Transmission shift control parts are faulty or unadjusted - Change or adjust correctly |
Insufficient transmission oil - Fill the transmission housing to proper oil level |
Worn or damaged drive sheave - Install a new sheave |
Shifting linkage is broken or misadjusted - Replace or adjust linkage |
Speed control linkage is worn or unadjusted - Replace or adjust linkage |
Damaged transmission seals or gaskets - Change gaskets or seals |
Final drive shaft leaks - Change shaft seals |
Transmission case is cracked - Install a new transmission case |
Mower Deck Troubleshooting |
Mower vibrates too much |
Drive pulley of mower deck is damaged or dirty - Change or clean pulley |
Drive belt is loose or defective - Install a new belt or adjust belt tension |
Unbalanced or warped mower blades - Change or balance blades |
Blade bolts are not tightened well - Tighten it fast |
Discharge chute is regularly plugged |
High ground speed - Select a slower speed |
Tall grass - Need to set low cutting height |
Engine runs at low revs - Open throttle fully |
Mower deck set to low cutting - Adjust mower to higher cutting height |
Incorrect mower drive belt installation - Install drive belt correctly |
Mower leaving random uncut of grass |
Discharge chute is plugged - Need to clean the mower deck |
Blades are too dull - Blades need to be sharpened |
Worn or defective blades - Install new blades |
Mowing speed is too high - Use a slower speed |
Cutting level is too low - Use correct cutting height |
Full bagger - Remove grass from bagger |
Blades are scalping the grass |
Lawn is uneven or bumpy - Lawn needs to be leveled |
Cutting level is too low - Adjust mower to higher cutting height |
Mowing speed is too high - Select a lower speed |
Improperly leveled mower deck - Adjust mower deck level properly |
Worn or bent blades - Install new blades |
Tires are not properly inflated - Inflate tires as required |
Low tire inflation - Correct tire pressure |
Deck level is not correct - Deck should be adjusted correctly |
Blades are excessively dull - Sharpen the blades |
Blades are worn or damaged - Blades need to be replaced |
Discharge chute is plugged - Need to clean the mower deck |
Broken mower deck housing - Repair or change the deck |
Mower spindle is loose or defective - Spindle needs to be repaired or replaced |
Electrical Troubleshooting |
Battery does not charge |
Loose or corroded cable connections - Tighten or clean electrical wiring connections |
Battery terminal connectors are faulty - Change terminal connectors |
Worn-out battery - Change the battery |
Low battery voltage - Charge the battery |
Battery will not hold charge - Battery needs service or replacement |
Bad battery terminals or disconnected wiring - Check wire connections and change or service terminals |
Battery is drained or defective - Need to charge or replace the battery |
Wiring harness is disconnected or improperly connected - Check wiring harness and connect as required |
Low battery power - Battery is drained, charge it |
Incorrectly gapped or worn spark plug - Clean and gap or replace |
Damaged starter motor or solenoid - Repair starter or change solenoid |
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Lawn and Garden Tractors Technical Specs |