Craftsman M110 140cc Lawn Mower Manual

The Craftsman M110 is a 140cc gas-powered push lawn mower featuring a Briggs & Stratton engine, 21-inch steel cutting deck, 3-in-1 mulching/bagging/side discharge capability, single-lever height adjustment (6 positions), easy-start system, durable steel construction, and rear-wheel drive. Below are key sections for safety, features, assembly, operation, maintenance, troubleshooting, and specifications.

1. Features at a Glance 2. Assembly Instructions 3. Safety Precautions 4. Specifications 5. Controls and Operation 6. Starting & Stopping 7. Cutting Height Adjustment 8. Maintenance Schedule 9. Storage & Winterization 10. Warranty Information 11. Troubleshooting

Features at a Glance

Key components: 140cc Briggs & Stratton engine, 21-inch steel deck, rear bagger, mulching plug, side discharge chute, single-lever height adjustment, rear-wheel drive, and easy-start system.

Feature	Description
Engine	140cc Briggs & Stratton 4-cycle OHV engine
Cutting Width	21-inch steel cutting deck
Cutting Options	3-in-1: Mulch, Bag, Side Discharge
Height Adjustment	Single-lever, 6 positions (1.25" to 3.75")
Drive System	Rear-wheel drive
Starting System	Easy-start recoil
Fuel Tank	1.0-gallon capacity
Wheels	8-inch rear, 7-inch front
Weight	Approximately 65 lbs
Warranty	2-year limited warranty

Assembly Instructions

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

Attach handle: Align handle with lower brackets, secure with provided bolts and wing nuts.
Install wheels: Slide wheels onto axles, secure with retaining clips.
Attach grass bag: Hook bag frame onto rear deck brackets.
Install mulching plug: Insert plug into rear discharge opening when mulching.
Add oil and fuel: Fill engine with SAE 30 oil (20 oz) and unleaded gasoline.

WARNING! Do not add fuel indoors or near ignition sources. Keep hands clear of cutting blade during assembly.

Safety Precautions

Always follow safety guidelines to prevent injury.

Read manual thoroughly before operation.
Clear mowing area of debris, rocks, and toys.
Wear sturdy shoes, eye protection, and long pants.
Do not mow when grass is wet or during rain.
Keep hands and feet away from rotating blade.
Stop engine before adjusting height or clearing blockages.
Never leave mower unattended with engine running.
Keep children and pets away from mowing area.

CAUTION! Gasoline is flammable; store in approved container away from heat sources.

Specifications

Engine: 140cc Briggs & Stratton 4-cycle OHV
Cutting Width: 21 inches
Cutting Height: 1.25" to 3.75" (6 positions)
Deck Material: Steel
Drive: Rear-wheel drive
Fuel Capacity: 1.0 gallon
Oil Capacity: 20 oz SAE 30
Wheels: 8-inch rear, 7-inch front
Weight: 65 lbs (approx.)
Warranty: 2-year limited

Controls and Operation

Handle Controls: Drive control lever, height adjustment lever, engine stop cable.

Drive Control: Squeeze lever against handle to engage drive; release to stop.

Height Adjustment: Move single lever to desired position (1-6).

Engine Stop: Pull stop cable to shut off engine.

Cutting Options: Install bag for collection, plug for mulching, or attach side discharge chute.

Starting & Stopping

Starting Procedure:

Check oil and fuel levels.
Move mower to clear, flat area.
Set height adjustment to desired position.
Prime engine (if equipped) by pressing primer bulb 3 times.
Set throttle to FAST position.
Pull recoil starter cord firmly until engine starts.

Stopping Procedure:

Release drive control lever.
Move throttle to STOP position or pull stop cable.
Wait for blade to stop completely before leaving mower.

Tip: For cold starts, use choke if equipped.

Cutting Height Adjustment

Single-lever adjustment for all four wheels.

Stop engine and wait for blade to stop.
Pull height adjustment lever outward.
Move lever to desired position (1=lowest, 6=highest).
Release lever to lock in place.
Test mower stability before mowing.

Recommended: Cut only 1/3 of grass height at a time. Adjust height seasonally.

Maintenance Schedule

Regular maintenance ensures optimal performance and longevity.

Interval	Task
Before each use	Check oil level, inspect blade, clear deck
Every 25 hours	Change oil, clean/replace air filter
Every season	Sharpen/replace blade, check spark plug
As needed	Clean underside of deck, check tire pressure
Storage	Drain fuel or add stabilizer

CAUTION! Disconnect spark plug wire before performing any maintenance.

Storage & Winterization

Proper storage prevents fuel system damage.

Run engine to burn remaining fuel in carburetor OR add fuel stabilizer.
Change oil and replace air filter.
Clean underside of deck thoroughly.
Remove spark plug, add 1 tablespoon of oil to cylinder, pull starter cord slowly, reinstall plug.
Store in dry, covered area away from moisture.

WARNING! Never store mower with fuel in tank indoors or near open flames.

Warranty Information

Craftsman M110 comes with a 2-year limited warranty covering defects in materials and workmanship. Warranty does not cover normal wear, misuse, or lack of maintenance. Keep original receipt for warranty claims. For service, contact Craftsman customer service at 1-888-331-4569 or visit www.craftsman.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	No fuel, old gas, clogged filter	Check fuel level; use fresh gasoline; clean/replace air filter.
Engine runs poorly	Dirty air filter, old oil	Clean/replace air filter; change oil.
Uneven cutting	Dull blade, uneven tire pressure	Sharpen/replace blade; check tire pressure.
Mower vibrates excessively	Bent blade, loose parts	Inspect and replace blade if bent; tighten all bolts.
Loss of power	Clogged deck, dirty filter	Clean underside of deck; replace air filter.

Service: For technical support, call 1-888-331-4569 or visit www.craftsman.com.