Murray 204210X8C Lawn Mower Manual

The Murray 204210X8C is a 20-inch push lawn mower featuring a 4.5 HP Briggs & Stratton engine, 3-in-1 mulching/bagging/side-discharge capability, single-lever height adjustment (6 positions), durable steel deck, easy-start system, and rear-wheel drive. Designed for residential use with a cutting width of 20 inches and a 2.1 bushel grass bag. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: 4.5 HP Briggs & Stratton engine, 20-inch steel cutting deck, 3-in-1 function, single-lever height adjustment, rear-wheel drive, easy-start system, 2.1 bushel grass bag.

Assembly Instructions

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

1. Attach handle: Secure upper and lower handle sections with provided bolts and washers.
2. Install grass bag: Attach bag support brackets to deck, then hook bag onto brackets.
3. Install side discharge chute: Attach to deck opening with wing nut.
4. Attach wheels: Insert axles through wheel hubs and secure with retainer clips.
5. Install height adjustment lever: Connect to deck linkage.
6. Add engine oil: Fill with SAE 30 detergent oil (check dipstick).
7. Add gasoline: Use fresh unleaded gasoline (87 octane minimum).

WARNING! Wear gloves during assembly. Ensure all bolts are tightened securely.

First-Time Setup

Before first use, complete assembly and perform pre-operation checks.

1. Check oil level: Ensure oil is at full mark on dipstick.
2. Check fuel: Fill tank with fresh unleaded gasoline.
3. Inspect blade: Ensure blade is sharp and securely fastened.
4. Test height adjustment: Move lever through all positions to ensure smooth operation.
5. Test drive: Engage drive control and push mower to check wheel movement.
6. Start engine: Follow starting procedure in manual.

CAUTION! Never operate mower without proper oil level. Keep hands and feet away from moving parts.

Specifications

• Model: Murray 204210X8C
• Engine: 4.5 HP Briggs & Stratton, 125cc, OHV
• Cutting Width: 20 inches
• Cutting Height: 1.5-3.5 inches (6 positions)
• Cutting Options: Mulch, Bag, Side Discharge
• Grass Bag Capacity: 2.1 bushels
• Wheels: 8-inch rear, 7-inch front
• Drive System: Rear-wheel drive
• Weight: Approximately 60 lbs
• Fuel Tank Capacity: 1 quart
• Oil Capacity: 20 oz (SAE 30)

Controls and Operation

Main controls: Engine throttle, drive control bar, height adjustment lever, primer bulb, recoil starter.

Starting Procedure:

1. Move throttle to FAST position.
2. Press primer bulb 3 times (cold engine).
3. Pull recoil starter handle firmly.
4. Allow engine to warm up for 30 seconds.

Stopping Procedure: Release drive control bar, move throttle to STOP position.

Drive Control: Squeeze bar against handle to engage drive wheels.

Cutting & Height Adjustment

Select cutting mode based on grass conditions and preference.

1. Mulching: Install mulch plug for fine clippings that fertilize lawn.
2. Bagging: Attach grass bag for clean collection.
3. Side Discharge: Install discharge chute for longer grass.
4. Height Adjustment: Use single lever to raise/lower deck (positions 1-6).
5. Cutting Pattern: Overlap each pass by 2-3 inches for even cut.

Tip: Cut when grass is dry for best results. Never remove more than 1/3 of grass height at once.

Maintenance Schedule

Regular maintenance ensures optimal performance and longevity.

Storage & Winterization

Proper storage prevents fuel system damage and corrosion.

1. Drain fuel tank or add fuel stabilizer.
2. Run engine until it stops to clear carburetor.
3. Change oil and replace air filter.
4. Clean entire mower, especially under deck.
5. Remove spark plug, add 1 oz oil to cylinder, pull starter slowly.
6. Store in dry, covered area.

CAUTION! Never store mower with fuel in tank for more than 30 days without stabilizer.

Safety Information

Always follow safety guidelines to prevent injury.

• Wear sturdy shoes, eye protection, and long pants.
• Clear mowing area of debris, rocks, and toys.
• Never mow wet grass.
• Keep children and pets away from mowing area.
• Disconnect spark plug wire before performing maintenance.
• Never leave mower unattended while running.
• Use both hands to operate mower.
• Do not pull mower backward while cutting.

DANGER! Blade rotates at high speed. Keep hands and feet away from deck at all times.

Warranty & Support

Murray mowers come with a limited warranty. Register your product online for warranty validation.

Warranty Period: 2 years residential use from date of purchase.

What's Covered: Defects in materials and workmanship.

What's Not Covered: Normal wear, improper maintenance, commercial use, accidents.

Support: For technical assistance, parts, or service, contact Murray Customer Service at 1-800-269-6215 or visit www.murray.com.

Troubleshooting

Service: For repairs beyond basic maintenance, contact authorized Murray service center.

Parts: Use only genuine Murray replacement parts.