Husqvarna Mower YTH24K48 Owners Manual

The Husqvarna YTH24K48 is a 24-horsepower, 48-inch cutting deck, Kohler-powered riding lawn tractor with hydrostatic transmission, electric PTO engagement, cruise control, and a comfortable high-back seat. It is designed for residential lawn care with features like a tight turning radius, automatic parking brake, and a durable steel frame. Below are key sections for safety, features, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Assembly & Setup 3. Controls & Operation 4. Specifications 5. Maintenance Schedule 6. Engine Care 7. Mower Deck Maintenance 8. Storage & Winterization 9. Safety Information 10. Warranty & Support 11. Troubleshooting

Features at a Glance

Key components: 24 HP Kohler engine, 48-inch fabricated steel mower deck, Hydrostatic transmission, Electric PTO clutch, Cruise control, High-back seat, Headlights.

FeatureDescription
Engine24 HP Kohler 7000 Series V-Twin, OHV
Cutting Width48 inches (122 cm)
TransmissionHydrostatic, foot-pedal controlled
Deck TypeFabricated steel, 3-blade
PTO EngagementElectric switch
Turning Radius18 inches (Zero-turn capable)
SeatHigh-back, adjustable
Fuel Capacity3 gallons (11.4 liters)
HeadlightsIntegrated for low-light operation
WarrantyLimited residential warranty

Assembly & Setup

Unpack and inspect all parts. Assembly requires basic tools.

  1. Install steering wheel: Align and secure with provided hardware.
  2. Attach seat: Mount to frame using bolts and washers.
  3. Connect battery: Attach red (+) then black (-) terminals.
  4. Check tire pressure: Inflate to 14 PSI (front) and 10 PSI (rear).
  5. Add engine oil: Use SAE 10W-30, fill to dipstick mark.
  6. Add fuel: Use unleaded gasoline (87 octane minimum).

WARNING! Mower is heavy; use assistance during assembly. Ensure all fasteners are tight.

Controls & Operation

Familiarize yourself with all controls before starting.

  1. Starting: Sit on seat, set parking brake, move PTO to OFF, turn key to START.
  2. Driving: Release parking brake, press forward/reverse pedals gently.
  3. Mowing: Engage PTO switch only when driving forward on level ground.
  4. Cutting Height: Adjust lever to desired position (1.5-4 inches).
  5. Stopping: Disengage PTO, set parking brake, turn key to OFF.

CAUTION! Keep hands and feet away from moving parts. Do not mow on slopes over 15 degrees.

Specifications

Maintenance Schedule

Regular maintenance ensures longevity and performance.

IntervalTask
Before each useCheck engine oil level, tire pressure, and for debris.
First 5 hoursChange engine oil and check all bolts.
Every 25 hoursCheck air filter, clean mower deck, lubricate fittings.
Every 50 hoursChange engine oil, replace oil filter, check spark plugs.
Every 100 hoursReplace air filter, check drive belt tension.
SeasonallySharpen blades, check battery, clean fuel system.

Engine Care

Kohler 7000 Series engine maintenance is critical.

  1. Oil Change: Use SAE 10W-30, change every 50 hours or seasonally.
  2. Air Filter: Clean foam pre-cleaner every 25 hours; replace paper element yearly.
  3. Spark Plug: Gap at 0.030 inches, replace annually.
  4. Fuel: Use fresh gasoline; add fuel stabilizer for storage.
  5. Cooling Fins: Keep clean to prevent overheating.

Tip: Always run engine a few minutes before changing oil for better drainage.

Mower Deck Maintenance

Proper deck care ensures a clean cut and long life.

  1. Blade Sharpening: Remove blades, sharpen evenly, balance before reinstalling.
  2. Deck Cleaning: After each use, scrape off grass clippings and rinse.
  3. Belt Inspection: Check for cracks/wear; adjust tension if loose.
  4. Spindle Lubrication: Grease fittings every 25 hours.
  5. Height Adjustment: Ensure all wheels are at same setting.

WARNING! Disconnect spark plug wire before performing any deck maintenance.

Storage & Winterization

Prepare mower for off-season storage.

  1. Fuel: Add stabilizer, run engine 5 minutes, then either drain tank or fill completely.
  2. Oil: Change oil and filter.
  3. Battery: Remove, clean terminals, store in cool, dry place on a trickle charger.
  4. Deck: Clean thoroughly, apply light oil to blades to prevent rust.
  5. Cover: Store in a dry, covered area.

CAUTION! Never store with fuel in carburetor without stabilizer; it can cause damage.

Safety Information

Read and understand all safety labels and instructions.

Warranty & Support

Husqvarna Limited Warranty: Coverage varies by component (frame, engine, transmission). See warranty certificate for details. For support, visit www.husqvarna.com/us or contact Husqvarna Customer Support at 1-800-487-5962. Have your model and serial numbers ready (located on frame near rear axle).

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startParking brake not set, PTO engaged, dead batterySet brake, disengage PTO, charge/replace battery.
Poor cutting performanceDull blades, low engine speed, clogged deckSharpen blades, run at full throttle, clean deck.
Excessive vibrationUnbalanced blade, loose spindle, debrisBalance or replace blade, tighten spindle, remove debris.
Loss of powerDirty air filter, old fuel, clogged fuel filterClean/replace air filter, use fresh fuel, replace fuel filter.
Hydrostatic transmission slipsLow fluid, drive belt looseCheck fluid level, adjust/replace drive belt.

Reset: For safety interlock issues, ensure you are seated, parking brake is set, and PTO is off.

Service: 1-800-487-5962; www.husqvarna.com/us

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