Craftsman R110 Owner's Manual

The Craftsman R110 is a 42-inch riding lawn mower featuring a 19.5 HP Briggs & Stratton engine, 6-speed manual transmission, electric start, 3-in-1 cutting system (mulch, bag, side discharge), adjustable cutting height (1.5-4 inches), 2.5-gallon fuel tank, 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 Instructions 3. First-Time Operation 4. Specifications 5. Controls and Settings 6. Connecting Attachments 7. Operating the Mower 8. Safety Features 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 19.5 HP Briggs & Stratton engine, 6-speed transmission, Electric start key, Cutting deck engagement lever, Height adjustment lever, Fuel tank cap, Seat adjustment lever.

FeatureDescription
Engine19.5 HP Briggs & Stratton, single-cylinder, OHV
Transmission6-speed manual gear drive with reverse
Cutting Width42-inch stamped steel deck
Cutting HeightAdjustable from 1.5 to 4 inches (6 positions)
Fuel Tank2.5-gallon capacity
Starting SystemElectric key start with backup recoil
SeatHigh-back, adjustable for operator comfort
Blade EngagementManual lever (PTO)
Brake SystemMechanical disc brake on rear axle
TiresFront: 15x6.00-6, Rear: 20x10.00-8

Assembly Instructions

Unpack and inspect all parts. Assembly requires basic tools.

  1. Install steering wheel: Align and secure with provided bolt.
  2. Attach seat: Mount using four bolts and washers.
  3. Connect battery: Attach red (+) then black (-) terminals.
  4. Install cutting deck: Align with mounting points and secure with pins.
  5. Check tire pressure: Inflate to 15 PSI (front) and 10 PSI (rear).

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

First-Time Operation

Before starting, perform pre-operation checks.

  1. Check oil level: Ensure dipstick shows full.
  2. Add fuel: Use fresh unleaded gasoline (87 octane minimum).
  3. Adjust seat: Position for comfortable reach to all controls.
  4. Set cutting height: Use lever to select desired height.
  5. Start engine: Insert key, set parking brake, turn to START.

CAUTION! Operate only in well-ventilated areas. Keep hands and feet away from moving parts.

Specifications

Controls and Settings

Dashboard: Ignition key, Choke control, Throttle lever, Headlight switch. Floor: Clutch/brake pedal, Gear shift lever.

Right Side: Cutting deck engagement lever, Height adjustment lever. Seat: Parking brake lever.

Operation: Set parking brake before starting. Use clutch to change gears. Engage blades only when engine is at full throttle. Adjust cutting height before starting mower.

Connecting Attachments

Supports bagger, mulching kit, and tow-behind spreader.

  1. Turn off engine and remove key.
  2. For bagger: Attach chute to deck outlet, secure bagger frame.
  3. For mulching kit: Install mulching plug in discharge chute.
  4. For tow spreader: Hitch to rear tow bar, secure safety chain.

Tip: Ensure attachment is securely fastened before operation.

Operating the Mower

Supports mowing, mulching, and bagging operations.

  1. Starting: Set parking brake, disengage blades, turn key.
  2. Mowing: Engage blades, release parking brake, press clutch, select gear (1-2 for thick grass).
  3. Turning: Reduce speed, use steering wheel (sharp turns may require backing up).
  4. Stopping: Disengage blades, apply brake, turn key off.
  5. Bagging: Install bagger, engage blades, monitor bag fill level.
  6. Mulching: Install mulching kit, mow at slower speed for fine clippings.

WARNING! Do not mow on slopes greater than 15 degrees. Watch for obstacles.

Safety Features

Blade Safety: Blades stop within 3 seconds of disengagement. Seat Switch: Engine stops if operator leaves seat with blades engaged. Parking Brake: Must be engaged to start engine.

Care & Maintenance

Perform regular maintenance for optimal performance.

  1. After each use: Clean deck, check for debris.
  2. Every 25 hours: Change oil (SAE 30), check air filter.
  3. Every 50 hours: Sharpen blades, check tire pressure.
  4. Every 100 hours: Replace spark plug, check belt tension.
  5. Storage: Drain fuel or add stabilizer, disconnect battery.

CAUTION! Disconnect spark plug before performing maintenance.

Regulatory Information

EPA Certified: Engine meets EPA emission standards. CARB Compliant: For sale in California. Copyright © 2025 Craftsman; trademarks of Stanley Black & Decker, Inc. For support, visit www.craftsman.com or contact 1-888-331-4569.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startFuel, spark, batteryCheck fuel level; ensure choke is on; check battery connections.
Poor cutting performanceDull blades, low speedSharpen blades; mow at slower speed; adjust cutting height.
Excessive vibrationUnbalanced blade, debrisStop engine, inspect for debris; check blade balance.
Loss of powerClogged filter, old fuelReplace air filter; drain old fuel; check oil level.
Bagger not collectingClogged chute, full bagClear chute; empty bag; check deck airflow.

Reset: Turn key off, wait 30 seconds, restart.

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

Craftsman R110 Owner's Manual © - All Rights Reserved 2025