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John Deere X155R Troubleshooting
The
John Deere X155R lawn tractor from X100 Series was manufactured between 2011 and
2025. The John Deere X155R tractor is powered by Briggs and Stratton 405577
4-cycle V-twin cylinder OHV vertical shaft 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 16.8 Hp (12.5 kW).
This model is fitted with a belt-driven hydrostatic transmission with
infinite forward and reverse gears. The John Deere X155R 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
460 lbs (208 kg). The tractor is compatible with a 42" mid-mount 2-blade
mower deck with a cutting height of 1.0-4.0" (25-102 mm) and mechanical
lift system.
| Engine Troubleshooting |
| Engine starts hard or doesn't start |
| No gasoline in tank - Add gasoline |
| Wrong fuel grade - Use correct fuel grade |
| Fuel system clogged - Repair or replace |
| Spark plug wiring connection is damaged - Check spark plug wiring connection, repair or change |
| Faulty spark plug - Install new spark plug |
| Clogged fuel filter - Fuel filter needs to be replaced |
| Defective safety switch - Replace if required |
| Carburetor is clogged - Clean the carburetor |
| Poor engine compression - Check cylinder block and replace damaged components |
| Damaged or not adjusted choke cable - Replace cable or adjust correctly |
| Plugged cooling fins - Need to clean or wash |
| Ignition failure - Inspect ignition system and change failed components |
| Stuck or defective choke cable - Replace or clean the cable |
| Plugged air filter - Service or replace air filter |
| Clogged or defective fuel pump - Clean or change fuel pump |
| Engine starts and stops immediately |
| Faulty spark plug - Install new spark plug |
| Carburetor is dirty or defective - Service or change carburetor |
| Ignition coil is faulty - Change ignition coil as required |
| Valve springs are damaged or weak - Install new valve springs |
| Valves sticking - Valves must be cleaned |
| Engine oil insufficient - Fill up the oil to required level |
| Engine is under excessive load - Load reducing is recommended |
| Cooling fins are blocked - Need to wash or clean |
| Too lean carburetor mixture - Adjust carburetor correctly |
| Wrong ignition timing - Ignition timing needs to be adjusted correctly |
| Valve setting is wrong - Set the valves properly |
| Abnormal engine knocking or noise |
| Low octane gasoline - Use proper gasoline |
| Excessive engine load - Load reducing required |
| Low engine oil level - Fill up the engine oil |
| Low idle speed adjustment is incorrect - Correct the settings |
| Fuel pump is faulty or clogged - Inspect fuel pump and change as required |
| Main bearings or crankshaft are worn out - Have bearings or crankshaft replaced |
| Valve clearance is incorrect - Check and adjust |
| Cylinder bore or piston rings are worn - Replace defective components |
| Improperly adjusted or dirty carburetor - Clean or correctly adjust carburetor |
| Air filter is blocked - Change or clean air filter |
| Dirty or faulty fuel pump - Check fuel pump and change if required |
| Ignition system failure - Inspect ignition system and change faulty parts |
| Worn cylinder head gasket - Replace the gasket as required |
| Burned or stuck valves - Change or service valves |
| Push rod is worn or defective - Push rod needs to be changed |
| Cylinder block parts are worn out - Replace defective parts |
| Excessive fuel consumption |
| Choke is not fully open - Check choke cable and adjust it |
| Carburetor main jet adjustment is improper - Adjust it properly |
| Defective or loose spark plug - Tighten or replace spark plug |
| Stuck, worn, or burned valves - Service or change valves |
| Worn sleeve, rings, or piston - Replace faulty parts as required |
| Valve clearance is incorrect - Adjust to proper valve clearance |
| Excessive oil consumption |
| Seals or gaskets are wearing excessively - Worn parts need to be replaced |
| Worn valve guides and valve stems - Valves replacement required |
| Piston rings are stuck or broken - Replace piston rings |
| Worn cylinder liner or piston - Check liner and piston, change as required |
| Breather hose or pipe is blocked - Change or clean |
| Hydrostatic Transmission Troubleshooting |
| Excessive hydrostatic transmission noise |
| Worn or out of adjustment speed control linkage - Adjust or change linkage |
| Excessive loading - Reduce the load is required |
| Dirty transmission fluid or insufficient fluid level - Add fluid to the correct level or fill the transmission with fresh fluid |
| Worn or defective transmission components - After disassembling and inspection, change defective components |
| Shift linkage is loose or broken - Service or change the linkage |
| Hydrostatic pump is blocked or defective - Replace or repair pump |
| Transmission shift control parts are faulty or unadjusted - Replace or adjust as required |
| Transmission oil insufficient - Add oil to the transmission housing |
| Drive pulley is defective or worn - Replace pulley |
| Shift linkage is damaged or unadjusted - Replace or adjust linkage |
| Speed control linkage is worn or unadjusted - Adjust or repair linkage |
| Transmission gaskets or seals are damaged - Replace gaskets or seals |
| Leaking final drive shaft - Install new shaft seals |
| Cracked transmission case - Install a new transmission case |
| Mower Deck Troubleshooting |
| Mower vibrates excessively |
| Damaged or clogged mower drive pulley - Service or change pulley |
| Drive belt is loose or defective - Belt needs to be adjusted or replaced |
| Unbalanced or warped mower blades - Balance or change blades |
| Loose blade mounting bolts - Bolts should be tightened |
| Constant clogging of discharge chute |
| Fast ground speed - Select a slower speed |
| Tall grass - Use a lower cutting height |
| Engine rpm is too low - Choke is not fully opening |
| Cutting level is too low - Need to set high cutting height |
| Mower deck drive belt installed incorrectly - Install drive belt as required |
| Mower leaving random uncut of grass |
| Discharge chute is plugged - Mower deck needs to be cleaned |
| Excessive blade dullness - Need a blade sharpening |
| Worn or defective blades - Blades need to be replaced |
| High ground speed - Need to slow down |
| Cutting height is too low - Change cutting height adjustment |
| Filled bagger - Remove grass from bagger |
| Lawn is bumpy or not smooth - Level the lawn |
| Cutting level is too low - Raise the cutting height |
| Ground speed is too fast - Operate at slower speed |
| Incorrectly leveled mower deck - Deck needs to be adjusted properly |
| Blades are bent or worn - Blades must be changed |
| Low tire pressure - Check and inflate the tires |
| Mower deck to cut unevenly |
| Incorrect tire pressure - Inflate tires correctly |
| Improperly leveled mower deck - Adjust the level of mower deck correctly |
| Blades are not sharp - Need to sharpen the blades |
| Worn or defective blades - Blades must be changed |
| Cutting deck clogging - Inspect and clean cutting deck |
| Damaged mower deck shell - Rebuild or change mower deck |
| Mower spindle is bent or loose - Change or repair the spindle |
| Electrical Troubleshooting |
| Battery cannot be charged |
| Wiring connections are loose or corroded - Service or tighten connections |
| Faulty battery terminal connectors - Replace terminal connectors |
| Worn-out battery - Replace the battery |
| Battery power is low - Recharge the battery |
| Battery will not hold charge - Service or change the battery |
| Corroded battery terminals or disconnected wires - Connect wires properly or change terminals |
| Battery is discharged or worn - Recharge or change battery |
| Wiring is incorrectly connected or disconnected - Inspect wiring and connect correctly |
| Low battery power - Charge the battery |
| Improperly gapped or dirty spark plug - Clean and gap or replace |
| Starter motor or solenoid is defective - Starter/solenoid should be replaced |
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| Lawn and Garden Tractors Technical Specs |
