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John Deere X147R Troubleshooting
The
John Deere X147R lawn tractor from X100 Series was manufactured between 2021 and
2025. The John Deere X147R tractor is powered by Briggs and Stratton 40N877
Intek 4-cycle V-twin cylinder OHV air-cooled gasoline engine. A 40.1 cubic
inches (656 cc) engine has a cylinder bore of 2.97" (75 mm), piston stroke of
2.89" (73 mm), and rated power of 16.9 Hp (12.6 kW). This model is fitted with a
hydrostatic transmission with infinite forward and reverse gears.
The John Deere X147R is equipped with a manual steering system, electric
PTO clutch, disc brakes, 15x6.00-6 front tyres, and 18x8.50-8 rear
tyres. The operating weight is 527 lbs (240 kg). Compatible attachments
for the tractor: 36" mid-mount 2-blade rear-discharge mower deck with
cutting height of 1.0-3.5" (25-90 mm), 44" front-mount 1-stage snow
blower, and 46" front blade.
| Engine Troubleshooting |
| Engine will not start or starts up hard |
| Empty fuel tank - Add fuel |
| Wrong grade of gasoline - Use correct fuel grade |
| Air or water in fuel system - Remove water or air from fuel system |
| Defective wiring connection of spark plug - Inspect spark plug wiring connection, change or repair |
| Spark plug is faulty - Change spark plug |
| Plugged fuel filter - Fuel filter needs changing |
| Brake pedal not pushed down - Push the brake pedal down |
| Carburetor components worn out - Repair or replace parts |
| Low cylinder compression - Check cylinder block and replace worn parts |
| Damaged or not adjusted choke cable - Replace cable or adjust correctly |
| Clogged cooling fins - Clean and wash as required |
| Ignition system is defective - Check ignition and replace faulty components |
| Faulty or stuck choke cable - Change or service the cable |
| Plugged air filter - Service or change air filter |
| Dirty or defective fuel pump - Test fuel pump and change if necessary |
| Engine starts and stalls immediately |
| Damaged spark plug - Change spark plug as required |
| Carburetor is defective or dirty - Service or replace carburetor |
| Faulty ignition coil - Install a new ignition coil |
| Valve springs are bad or broken - Replace valve springs |
| Stuck valves - Valves must be cleaned |
| Insufficient engine oil - Fill the crankcase with engine oil |
| Engine is running overloaded - Reduce load |
| Air intake grill is clogged - Wash or clean as required |
| Carburetor fuel mixture is too lean - Set the carburetor correctly |
| Wrong ignition timing - Set the ignition timing properly |
| Valve setting is wrong - Adjust valves correctly |
| Low octane gasoline - Use proper gasoline |
| Engine overload - Reduce the load |
| Not enough engine oil - Fill up the engine oil |
| Low idle speed setting is not correct - Correct idle adjustment |
| Clogged or damaged fuel pump - Service or change fuel pump |
| Worn main bearings or crankshaft - Have bearings or crankshaft replaced |
| Improper valve clearance - Adjustment procedure required |
| Cylinder bore or piston rings are worn - Change faulty parts |
| Clogged or improperly adjusted carburetor - Clean or correctly adjust carburetor |
| Plugged air filter - Service or replace air filter |
| Dirty or defective fuel pump - Service or change fuel pump |
| Defective ignition system - Test ignition and replace failed parts |
| Cylinder head gasket is defective - Replace the gasket as required |
| Valves are stuck or burned - Replace or clean valves |
| Push rod is bent or worn - Install a new push rod |
| Damaged cylinder block components - Defective parts need to be replaced |
| Excessive fuel consumption |
| Choke did not open fully - Change or adjust choke cable |
| Improper carburetor main jet adjustment - Adjust main jet as required |
| Spark plug is loose or defective - Spark plug need to be tightened or replaced |
| Valves are stuck, burned, or worn - Clean or change valves |
| Worn sleeve, rings, or piston - Change faulty parts |
| Valve clearance is wrong - Adjust to proper valve clearance |
| Engine oil consumption is too high |
| Worn gaskets or seals - Replace defective parts |
| Damaged valve stems or valve guides - Valves must be replaced |
| Stuck or worn piston rings - Piston rings replacement required |
| Scored piston or cylinder liner - Check piston and liner, change as required |
| Plugged breather hose or pipe - Replace or clean |
| Hydrostatic Transmission Troubleshooting |
| Hydrostatic transmission noise |
| Speed control pedal linkage is bent or not adjusted - Change or adjust linkage |
| Transmission overloaded - The load should be reduced |
| Transmission fluid is dirty or fluid level is too low - Pour fresh fluid or add transmission fluid to proper level |
| Worn or defective transmission components - Change or repair defective parts |
| Stuck or worn shift linkage - Linkage need to be replaced |
| Seized or worn hydrostatic pump - Repair or replace pump |
| Damaged or unadjusted transmission shift control components - Adjust properly or change |
| Transmission fluid level is low - Fill the transmission housing to proper fluid level |
| Worn or defective drive pulley - Replace pulley |
| Unadjusted or broken shift linkage - Adjust correctly or change linkage |
| Worn or unadjusted speed control linkage - Adjust or repair linkage |
| Transmission gaskets or seals are worn - Change seals or gaskets |
| Final drive shaft leaks - Change shaft seals |
| Transmission case is cracked - Change broken case |
| Mower Deck Troubleshooting |
| Mower vibrates excessively |
| Drive sheave of mower deck is dirty or worn - Clean or change sheave |
| Loose or defective drive belt - Adjust belt tension or replace belt |
| Bent or unbalanced mower blades - Replace or balance blades |
| Blade mounting bolts are loose - Bolts need to be tightened |
| Discharge chute regular clogging |
| High ground speed - Select a lower speed |
| Long grass - Must be set to low cutting height |
| Low engine speeds - Adjust carburetor to higher rpm |
| Cutting level is too low - Need to set high cutting height |
| Mower drive belt installation is improper - Check drive belt for correct installation |
| Lawn mower leaving uncut grass |
| Mower deck is clogged - Inspect and clean cutting deck |
| Blades are excessively dull - Need to sharpen the blades |
| Worn or damaged blades - Blades must be changed |
| Ground speed is too fast - Operate at slower speed |
| Cutting level is too low - Must be set to high cutting height |
| Bagger is full - Clean bagger |
| Bumpy or not smooth lawn - Roll or level the lawn |
| Cutting level is too low - Must be set to high cutting height |
| High ground speed - Operate at slower speed |
| Deck is not leveled correctly - Deck needs to be adjusted properly |
| Bent or worn blades - Install new blades |
| Tires are not properly inflated - Correct tire pressure |
| Tire pressure is too low - Check and inflate the tires |
| Improperly leveled mower deck - Adjust mower deck level properly |
| Excessive blade dullness - Blades need to be sharpened |
| Worn or defective blades - Change the blades |
| Clogged mower deck - Need to clean the mower deck |
| Deck housing is broken - Repair or change the deck |
| Mower spindle is bent or loose - Install new spindle or repair it |
| Electrical Troubleshooting |
| Battery does not charge |
| Loose or corroded electrical wiring connections - Tighten or service cable connections |
| Faulty battery terminal connectors - Change terminal connectors |
| Battery faulty cell - Battery change required |
| Battery voltage is low - Charge the battery |
| Battery does not hold charge - Service or change the battery |
| Disconnected wiring or bad battery terminals - Check wiring connections and replace or clean terminals |
| Battery is drained or worn - Charge or replace the battery |
| Wire harness is disconnected or incorrectly connected - Check wire harness and connect as required |
| Battery power is low - Battery is drained, charge it |
| Faulty or incorrectly gapped spark plug - Clean, gap or replace spark plug |
| Solenoid or starter motor failure - Replace solenoid or repair starter |
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| Lawn and Garden Tractors Technical Specs |
