Murray SELECT 425001x8C Lawn Mower Manual

The Murray SELECT 425001x8C is a 21-inch walk-behind gas-powered lawn mower featuring a 159cc Briggs & Stratton engine, 3-in-1 mulching/bagging/side-discharge capability, 6-position single-lever height adjustment, durable steel deck, easy-start system, 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. First-Time Setup 4. Specifications 5. Controls and Operation 6. Cutting Height Adjustment 7. Maintenance Schedule 8. Safety Features 9. Storage Guidelines 10. Warranty Information 11. Troubleshooting

Features at a Glance

Key components: 159cc Briggs & Stratton engine, 21-inch steel cutting deck, 3-in-1 system, rear bagger, 6-position height adjustment, single-lever control, rear-wheel drive, and easy-start technology.

Feature	Description
Engine	159cc Briggs & Stratton 450E Series engine
Cutting Width	21-inch steel deck
Cutting Options	Mulch, bag, or side discharge
Height Adjustment	6-position single lever (1.5-3.75 inches)
Drive System	Rear-wheel drive with traction control
Start System	Easy-start recoil system
Fuel Tank	0.95-gallon capacity
Wheels	8-inch rear, 7-inch front
Bag Capacity	2.1 bushels
Weight	Approximately 65 lbs

Assembly Instructions

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

Attach handle: Align lower handle with deck brackets, secure with bolts and wing nuts.
Install wheels: Insert axle through wheel hubs, secure with washers and retaining clips.
Attach grass bag: Connect bagger frame to rear discharge chute, secure with pins.
Install side discharge chute: Attach to deck opening if not using bagger/mulch plug.
Add engine oil: Fill with SAE 30 detergent oil (20 oz capacity).
Add gasoline: Use fresh unleaded gasoline (87 octane minimum).

WARNING! Wear gloves during assembly. Ensure all fasteners are tight before operation.

First-Time Setup

Complete assembly, then prepare for first use.

Check oil level: Ensure oil is at full mark on dipstick.
Add fuel: Fill tank with fresh unleaded gasoline.
Adjust cutting height: Set lever to desired position (recommend 3 inches for first mow).
Select cutting mode: Install mulch plug, bagger, or side discharge chute as needed.
Start engine: Pull recoil starter slowly until resistance, then briskly.
Test operation: Engage drive control and mow a small area to verify performance.

CAUTION! Never add fuel while engine is hot. Allow to cool for 5 minutes.

Specifications

Model: SELECT 425001x8C
Engine: 159cc Briggs & Stratton 450E Series, 4-cycle
Cutting Width: 21 inches
Cutting Height: 1.5-3.75 inches (6 positions)
Deck Material: Powder-coated steel
Drive: Rear-wheel drive
Fuel Capacity: 0.95 gallons
Oil Capacity: 20 oz (SAE 30)
Bag Capacity: 2.1 bushels
Warranty: 2-year limited

Controls and Operation

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

Starting: 1. Push primer bulb 3 times (cold engine). 2. Set throttle to FAST. 3. Pull recoil starter. Stopping: Release drive control bar, move throttle to STOP, wait for blade to stop.

Drive Control: Squeeze bar against handle to engage wheels; release to stop. Height Adjustment: Move lever to desired position (1-6). Cutting Mode: Mulch plug for recycling; bagger for collection; side chute for discharge.

Cutting Height Adjustment

Single-lever adjusts all four wheels simultaneously.

Stop engine and wait for blade to stop completely.
Pull height adjustment lever outward to unlock.
Move lever to desired position (1=lowest, 6=highest).
Release lever to lock into position.
Verify all wheels are at same height before mowing.

Tip: For first mow of season, set to highest position to avoid scalping.

Maintenance Schedule

Regular maintenance ensures optimal performance and longevity.

Interval	Task
Before each use	Check oil level, inspect blade, clear deck of debris
Every 25 hours	Change engine oil, check air filter, inspect spark plug
Every season	Sharpen/replace blade, clean underside of deck
Storage	Drain fuel or add stabilizer, clean entire mower

Blade Sharpening: Remove blade, sharpen at 30-degree angle, balance before reinstalling.

Safety Features

Blade Brake Clutch: Stops blade within 3 seconds when control released. Safety Key: Prevents unauthorized operation. Discharge Guard: Protects from thrown objects. Warning Labels: Important safety reminders on mower.

Always: Wear eye protection, sturdy shoes, long pants. Clear area of debris before mowing. Keep children and pets away. Never remove safety devices.

Storage Guidelines

End-of-season storage preparation:

Drain fuel or add fuel stabilizer and run engine 5 minutes.
Change engine oil.
Clean underside of deck thoroughly.
Remove spark plug, add 1 tablespoon oil, pull starter twice, reinstall plug.
Store in dry, covered area away from moisture.

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

Warranty Information

2-year limited warranty covering defects in materials/workmanship. Warranty does not cover normal wear, misuse, improper maintenance, or commercial use. Proof of purchase required. For warranty service, contact Murray customer service at 1-800-800-7310 or visit www.murray.com. Keep this manual and receipt for warranty claims.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	No fuel, old gas, clogged filter	Add fresh fuel, check fuel line, clean/replace air filter
Poor cutting performance	Dull blade, low engine speed	Sharpen/replace blade, set throttle to FAST
Uneven cutting	Uneven tire pressure, bent blade	Check tire pressure, balance/replace blade
Excessive vibration	Loose blade, debris in deck	Tighten blade bolt, clean deck interior
Loss of power	Dirty air filter, old oil	Clean air filter, change engine oil
Wheels not driving	Drive cable loose	Adjust drive cable tension per manual

Service: For repairs beyond basic maintenance, contact authorized service center at 1-800-800-7310.