Home / Lawn and Garden Tractors / Husqvarna Lawn Tractors / Husqvarna YTH24V48

Husqvarna YTH24V48 Troubleshooting

The Husqvarna YTH24V48 2WD lawn tractor was manufactured from 2017 to 2021. The Husqvarna YTH24V48 tractor is powered by 44.2 cubic inches (724 cc) Briggs and Stratton 44N877 four-cycle vertical-shaft V-twin cylinder air-cooled gasoline engine with a max power of 24 Hp (18 kW).

The engine has a fixed main jet carburetor, full pressure lubrication with oil filter, and electronic ignition system. The riding lawn mower is fitted with Tuff Torq K46 BT belt-driven hydrostatic transaxle with foot-controlled variable speed drive. The max forward speed - 5.2 mph (8.4 km/h), max reverse speed - 2.9 mph (4.6 km/h).

The Husqvarna YTH24V48 is equipped with a manual steering system, pneumatic wheels, 15x6.00-6 front tires, and 20x8.00-8 rear tires. The tractor is compatible with a 48" mid-mount 3-blade side discharge mower deck with cutting height of 1.5-4.0 in (38-101 mm), electric blade engagement, 6 cut positions, 4 anti-scalp wheels, and mechanical lift system with hand operated.

Engine Troubleshooting
Engine starts up hard or doesn't start
Gas tank is empty - Fill gasoline up
Wrong grade of gasoline - Use correct gasoline grade
Dirty fuel lines - Inspect and clean
Spark plug wiring connection is damaged - Inspect the spark plug wire connection, replace or repair
Faulty spark plug - Replace spark plug
Fuel filter is clogged - Fuel filter needs to be replaced
Faulty safety switch - Change damaged switch
Carburetor is dirty - Wash, clean and adjust
Low engine compression - Inspect cylinder block and change defective components
Choke cable is damaged or not adjusted properly - Replace cable or adjust correctly
Engine runs roughly
Cooling fins are plugged - Need to clean or wash
Ignition failure - Inspect ignition system and change failed components
Defective or stuck throttle cable - Change or service the cable
Air filter is blocked - Clean or change air filter
Fuel pump is clogged or faulty - Clean or change fuel pump
Engine starts but immediately shuts off
Defective spark plug - Replace spark plug
Carburetor is faulty or dirty - Service or replace carburetor
Ignition coil is damaged - Ignition coil should be replaced
Weak or damaged valve springs - Change valve springs
Valves are stuck - Valves must be cleaned
Engine overheats
Lack of engine oil - Fill up the oil to required level
Engine overload - Load reducing required
Plugged cooling fins - Need to wash or clean
Carburetor fuel mixture is too lean - Set the carburetor properly
Ignition timing is improper - Ignition timing needs to be set properly
Valve setting is improper - Adjust valves as required
Engine knocks or noises
Stale or low octane fuel - Change gasoline
Engine is under excessive load - Load reducing required
Low engine oil level - Checking oil level and add if necessary
Incorrectly set low idle speed - Adjust the low idle speed
Fuel pump is clogged or faulty - Clean or change fuel pump
Main bearings or crankshaft failure - Have bearings or crankshaft replaced
Valve clearance is improper - Adjust valve clearance according to specifications
Worn piston rings or cylinder bore - Change faulty components
Low engine power
Carburetor is improperly adjusted or clogged - Service or correctly adjust carburetor
Dirty air filter element - Replace or clean air filter
Dirty or damaged fuel pump - Test fuel pump and change if necessary
Ignition system failure - Check ignition and replace faulty components
Damaged cylinder-head gasket - Replace the head gasket
Valves are burned or stuck - Change or service valves
Push rod is bent or worn - Push rod should be replaced
Cylinder block parts are damaged - Replace defective components
High fuel consumption
Choke didn't open fully - Adjust or change choke cable
Incorrect adjustment of carburetor main jet - Adjust the carburetor main jet properly
Spark plug is faulty or loose - Re-tighten or replace spark plug
Valves are worn, stuck, or burned - Replace or service valves
Piston, sleeve, or rings are damaged - Change faulty components
Valve clearance is incorrect - Check and adjust
High engine oil consumption
Gaskets or seals are excessively worn - New components need to be installed
Valve guides or stems are damaged - Need to replace the valves
Piston rings are seized or worn - Have piston rings replaced
Piston or cylinder liner is worn - Check liner and piston, replace as required
Breather pipe or hose is plugged - Service or replace

Hydrostatic Transmission Troubleshooting
Hydrostatic transmission makes noise
Speed control linkage is worn or unadjusted - Repair or adjust linkage
Excessive loading - The load should be reduced
Dirty transmission fluid or insufficient fluid level - Top up to proper level or change transmission fluid
Worn or defective parts of the hydrostatic transmission - Check internal transmission parts for damage or wear and replace if required
Difficult to shift
Shift linkage is rusty or worn - Lubricate or replace the linkage
Defective or stuck hydrostatic pump - Repair or change pump
Transmission shift control components are defective or misadjusted - Adjust correctly or replace
Power is insufficient
Transmission oil level is low - Add oil to the transmission housing
Faulty or worn drive sheave - Change sheave
Shifting linkage is misadjusted or broken - Adjust correctly or replace linkage
Speed control pedal linkage is bent or not adjusted - Adjust or install new linkage
Transmission leaking
Broken transmission gaskets or seals - Change seals or gaskets
Final drive shaft leakage - Install new shaft seals
Transmission housing is cracked - Install a new transmission housing

Mower Deck Troubleshooting
Mower vibrates too much
Mower deck drive pulley is worn or dirty - Replace or clean pulley
Drive belt is loose or defective - Change belt or adjust belt tension
Mower blades are not balanced or warped - Change or balance blades
Loose blade bolts tightening - Tighten bolts as required
Discharge chute keeps clogging
Ground speed is too fast - Select a slower speed
Grass is too long - Must be set to low cutting height
Engine runs at low revs - Open choke fully
Cutting level is too low - Adjust mower to higher cutting height
Incorrect mower drive belt installation - Install drive belt as required
Grass patches are not cut
Discharge area is clogged - Clean out the mower deck
Blades are not sharp - Need to sharpen the blades
Damaged or worn blades - Blades need to be replaced
Ground speed is too fast - Need to slow down
Cutting level is too low - Change cutting height adjustment
Bagger is overfilled - Clean bagger
Blade scalped grass
Bumpy or not smooth lawn - Roll or level the lawn
Mower deck cutting height is set too low - Adjust mower to higher cutting height
High ground speed - Select a slower speed
Incorrect level of mower deck - Level the deck properly
Bent or worn blades - Blades must be changed
Low tire inflation - Need to inflate tires
Uneven cut
Low tire inflation - Inflate tires as required
Improperly leveled mower deck - Adjust the level of mower deck correctly
Excessive blade dullness - Sharpen the blades
Worn or defective blades - Change the blades
Cutting deck clogging - Clean out the mower deck
Deck shell is damaged - Replace or rebuild mower deck
Bent or loose mower spindle - Spindle needs to be repaired or replaced

Electrical Troubleshooting
Battery will not charge
Electrical cable connections are corroded or loose - Tighten or clean electrical wiring connections
Faulty battery terminal connectors - Change terminal connectors
Defective battery - Change the battery
Starter motor turns slow
Low battery output - Battery is drained, charge it
Battery does not hold charge - Service or change the battery
Battery cables are disconnected or terminals are faulty - Connect wires properly or change terminals
Starter doesn't crank
Battery is discharged or worn - Replace or charge as required
Wire harness is disconnected or incorrectly connected - Check wire harness and connect as required
Low battery output voltage - Recharge the battery
Spark plug worn or incorrectly gapped - Clean, gap or replace spark plug
Faulty solenoid or starter motor - Repair starter or install a new solenoid



Lawn and Garden Tractors Technical Specs