Craftsman R110 Riding Mower Owner's Manual

The Craftsman R110 is a 11 HP, 42-inch deck riding lawn mower designed for residential lawn care. It features a Briggs & Stratton engine, hydrostatic transmission, electric start, adjustable cutting height, and a comfortable high-back seat. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

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

Features at a Glance

Key components: 11 HP Briggs & Stratton engine, 42-inch stamped steel cutting deck, Hydrostatic transmission, Electric start with key, Adjustable high-back seat, 6-speed gear drive, Mulching capability, Headlights.

FeatureDescription
Engine11 HP Briggs & Stratton, 344cc, OHV
Cutting Width42 inches
TransmissionHydrostatic, single pedal control
Starting SystemElectric key start (12V battery included)
Cutting HeightAdjustable 1.5 to 4 inches (6 positions)
Fuel Capacity1.5 gallons (Unleaded gasoline only)
SeatHigh-back, adjustable for operator comfort
Deck EngagementElectric PTO (Power Take-Off) lever
Drive SystemRear-wheel drive
HeadlightsIntegrated for low-light operation

Assembly & Setup

Unpack and inspect all parts. Assembly requires basic tools (included).

  1. Install steering wheel: Align and tighten bolt.
  2. Attach seat: Position on frame and secure with provided bolts.
  3. Connect battery: Attach red (+) then black (-) cables to battery terminals.
  4. Install cutting deck: Lower deck lift, align with pins, and secure with retaining clips.
  5. Check tire pressure: Inflate to 10 PSI (front) and 12 PSI (rear).
  6. Add oil and fuel: Use SAE 30 detergent oil (20 oz) and unleaded gasoline.

WARNING! Mower is heavy; use assistance during assembly. Ensure all bolts are tightened securely.

Controls and Operation

Familiarize yourself with all controls before starting.

  1. Pre-start checklist: Check oil level, fuel, tire pressure, and clear area of debris.
  2. Starting: Sit on seat, set parking brake, disengage PTO, turn key to START.
  3. Driving: Release parking brake, press forward pedal to go forward, reverse pedal to back up.
  4. Mowing: Engage PTO lever to lower and spin blades. Adjust speed with pedal.
  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 greater than 15 degrees.

Specifications

Maintenance Schedule

Regular maintenance ensures optimal performance and longevity.

IntervalTask
Before each useCheck oil level, tire pressure, fuel, and clear deck of debris.
Every 8 hoursCheck battery terminals and clean if corroded.
Every 25 hoursChange oil (first change at 5 hours), check air filter.
Every 50 hoursReplace air filter, sharpen blades, check spark plug.
Every 100 hoursReplace spark plug, check drive belt tension.
SeasonallyLubricate pivot points, check tire pressure, clean deck thoroughly.

Tip: Always disconnect spark plug wire before performing any maintenance.

Engine Care

Proper engine maintenance is critical for reliable operation.

  1. Oil change: Run engine to warm oil, drain via drain plug, refill with 20 oz SAE 30.
  2. Air filter: Remove cover, clean foam pre-filter, replace paper element if dirty.
  3. Spark plug: Gap at 0.030 inches, replace if worn or fouled.
  4. Fuel system: Use fresh fuel, add fuel stabilizer for storage, replace fuel filter annually.
  5. Cooling fins: Keep clean to prevent overheating.

WARNING! Engine and exhaust become hot; allow to cool before servicing.

Deck & Blade Maintenance

Maintain cutting deck for optimal grass cutting and deck life.

  1. Blade sharpening: Remove deck, secure blade, sharpen at 30-degree angle, balance.
  2. Deck cleaning: Scrape off grass buildup after each use, wash with water (not pressure washer).
  3. Belt inspection: Check for cracks or wear, adjust tension if loose.
  4. Deck leveling: Adjust deck height on level surface to ensure even cut.

CAUTION! Wear gloves when handling blades. Ensure blades are properly tightened (torque to 40 ft-lbs).

Storage & Winterization

Prepare mower for extended storage (especially winter).

  1. Fuel: Add fuel stabilizer, run engine 5 minutes, or drain tank completely.
  2. Oil: Change oil if near service interval.
  3. Battery: Disconnect cables, clean terminals, store in cool, dry place (charge monthly).
  4. Deck: Clean thoroughly, apply light oil to underside to prevent rust.
  5. Tires: Inflate to proper pressure, store off ground if possible.

Tip: Store in a dry, covered area to protect from elements.

Safety Information

Read and understand all safety instructions before operation.

DANGER! Rotating blades can cause severe injury. Always follow safety procedures.

Warranty & Support

Craftsman R110 includes a 2-year limited warranty covering defects in materials and workmanship. Warranty does not cover normal wear, misuse, or lack of maintenance. For warranty service, contact an authorized Craftsman service center with proof of purchase.

For support, visit www.craftsman.com or contact Craftsman Customer Support at 1-888-331-4569.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startDead battery, empty fuel, clogged filterCharge/replace battery, add fuel, replace fuel filter.
Engine runs roughDirty air filter, old fuel, bad spark plugClean/replace air filter, use fresh fuel, replace spark plug.
Poor cutting qualityDull blades, uneven deckSharpen blades, level deck.
Loss of powerClogged deck, worn drive beltClean deck underside, inspect/replace drive belt.
Hydrostatic transmission slipsLow oil, worn beltCheck transmission oil level, inspect drive belt.
Battery not chargingLoose connections, faulty alternatorTighten battery cables, test alternator output.

Reset: For electrical issues, disconnect battery for 5 minutes then reconnect.

Service: 1-888-331-4569; www.craftsman.com

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