craftsman m250 160cc manual

The Craftsman M250 is a 160cc gas-powered walk-behind lawn mower featuring a Briggs & Stratton engine, 21-inch steel deck, 3-in-1 mulching/bagging/side-discharge capability, single-lever height adjustment (6 positions), push-button start, and durable 10-inch rear wheels. This manual covers safety, assembly, operation, maintenance, troubleshooting, and specifications for the M250 model. Below are key sections for safe setup and use.

Features at a Glance

Key components: 160cc Briggs & Stratton engine, 21-inch steel cutting deck, handle with controls, grass bag, rear wheels, and hardware kit.

Assembly Instructions

Unpack and inspect all parts. Assemble on a flat, clear surface.

1. Attach handle: Align lower handle with deck brackets, secure with provided bolts and wrench.
2. Install upper handle: Connect to lower handle, tighten knobs.
3. Attach grass bag: Hook bag onto rear deck brackets; ensure chute is open for bagging.
4. Install wheels: Slide axles through deck mounts, secure with washers and retainer clips.
5. Add oil and fuel: Fill engine with SAE 30 oil (check dipstick); add fresh unleaded gasoline (87 octane).

WARNING! Do not add oil to gasoline. Keep hands clear of cutting blade during assembly.

Safety Guidelines

Read all instructions before operation. Wear appropriate clothing and eye protection.

1. Clear mowing area of stones, toys, and debris.
2. Never mow wet grass or in poor visibility.
3. Keep hands and feet away from rotating blades and discharge chute.
4. Stop engine and disconnect spark plug before maintenance or clearing blockages.
5. Do not allow children or pets in mowing area.
6. Use only outdoors in well-ventilated areas.

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

Specifications

• Model: Craftsman M250
• Engine: 160cc Briggs & Stratton, 4-cycle, OHV
• Cutting Width: 21 inches
• Cutting Height: 1.5 to 3.75 inches (6 positions)
• Start Type: Push-button electric (12V battery included)
• Deck Material: Steel
• Wheel Size: 10-inch rear, 8-inch front
• Fuel Capacity: 0.95 gallon
• Oil Type: SAE 30 (20 oz capacity)
• Weight: 65 lbs (approx.)

Controls and Operation

Handle Controls: Throttle lever, electric start button, blade control bar (deadman switch).

Starting: 1. Push primer bulb 3 times (cold engine). 2. Set throttle to FAST. 3. Hold blade control bar to handle. 4. Press electric start button.

Stopping: Release blade control bar; engine and blade will stop. Move throttle to STOP.

Height Adjustment: Move single lever to desired position (1-6) on all four wheels simultaneously.

Bag/Mulch/Side-Discharge: Install appropriate chute or plug for desired function.

Cutting & Height Adjustment

For best results, mow when grass is dry and only cut 1/3 of grass height per mowing.

1. Adjust height: Use lever to set cutting height (higher for first spring mow).
2. Select function: Install bag for collection, mulch plug for recycling, or open chute for side discharge.
3. Mow in overlapping passes for even cut.
4. Empty bag frequently to maintain airflow and performance.

Tip: Sharpen blade annually for clean cuts and healthy grass.

Engine Operation

Briggs & Stratton 160cc engine requires regular oil and air filter maintenance.

1. Check oil level before each use; change after first 5 hours, then every 50 hours or season.
2. Use fresh unleaded gasoline (max 10% ethanol); add fuel stabilizer for storage.
3. Clean air filter every 25 hours; replace if damaged.
4. Spark plug: Check gap (0.030 inches) annually; replace every 100 hours.

WARNING! Never run engine indoors; allow to cool before refueling.

Maintenance Schedule

Regular maintenance ensures longevity and performance.

Blade Sharpening: Disconnect spark plug, remove blade, sharpen at original angle, balance before reinstalling.

Storage & Winterization

Prepare mower for off-season storage to prevent damage.

1. Run engine to warm oil, then drain or change oil.
2. Add fuel stabilizer to tank, run engine 5 minutes to circulate.
3. Disconnect battery (if electric start) and store in cool, dry place.
4. Clean underside of deck thoroughly.
5. Store in dry, covered area; cover mower to keep dust-free.

CAUTION! Do not store with fuel in tank beyond 30 days without stabilizer.

Warranty Information

Craftsman M250 includes a 2-year limited warranty covering defects in materials/workmanship. Proof of purchase required. Warranty does not cover normal wear, misuse, or lack of maintenance. For warranty service, contact Craftsman customer service at 1-888-331-4569 or visit www.craftsman.com. Keep this manual and receipt for reference.

Troubleshooting

Service: For repairs, contact authorized service center. Use only Craftsman replacement parts.

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