Murray NMP2265 Lawn Mower Manual

The Murray NMP2265 is a 22-inch, 6.5 horsepower Briggs & Stratton engine-powered push lawn mower with a 3-in-1 cutting system (mulch, bag, side discharge), single-lever height adjustment, durable steel deck, and easy-start technology. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

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

Features at a Glance

Key components: 6.5 HP Briggs & Stratton engine, 22-inch steel cutting deck, 3-in-1 cutting system, single-lever height adjustment, rear bagger, mulch plug, side discharge chute.

FeatureDescription
Engine6.5 HP Briggs & Stratton, 4-cycle, overhead valve
Cutting Width22 inches
Cutting System3-in-1 (Mulch, Bag, Side Discharge)
Height AdjustmentSingle-lever, 6 positions (1.5" - 3.75")
Deck MaterialDurable steel construction
Wheels8-inch rear, 7-inch front
StarterRecoil pull-start with easy-start technology
Fuel Tank1-quart capacity
Oil TypeSAE 30 (summer), 10W-30 (multi-season)
Bag Capacity2.0 bushels

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 wheels: Slide wheels onto axles, secure with retainer clips.
  3. Attach grass bag: Hook bag frame onto rear deck brackets.
  4. Install mulch plug: Insert plug into rear discharge opening for mulch mode.
  5. Add oil and fuel: Fill engine with SAE 30 oil (20 oz) and unleaded gasoline.

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

Safety Precautions

Read all instructions before operation. Always wear appropriate safety gear.

  1. Clear mowing area of debris, stones, and toys before starting.
  2. Never operate without proper guards or safety devices in place.
  3. Do not mow wet grass or operate on slopes greater than 15 degrees.
  4. Keep hands and feet away from rotating blades and discharge chute.
  5. Stop engine and disconnect spark plug before performing maintenance.

CAUTION! Gasoline is flammable. Refuel outdoors only when engine is cool.

Specifications

Controls and Operation

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

Starting Procedure:

  1. Check oil and fuel levels.
  2. Prime engine (3-4 presses on primer bulb).
  3. Set throttle to FAST position.
  4. Pull recoil starter firmly.

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

Operation Tips: Mow at steady pace, overlap passes by 2-3 inches for even cut.

Cutting Height Adjustment

Single-lever adjustment for all four wheels simultaneously.

  1. Stop engine and wait for blades to stop completely.
  2. Pull height adjustment lever outward.
  3. Move lever to desired height position (1-6).
  4. Release lever to lock in position.

Tip: For first mow of season, set to highest position. Gradually lower for subsequent mows.

3-in-1 Cutting System

Configure for mulching, bagging, or side discharge.

  1. Mulching: Install mulch plug in rear discharge opening. Grass clippings are cut finely and returned to lawn.
  2. Bagging: Attach grass bag to rear brackets. Clippings are collected for disposal.
  3. Side Discharge: Remove mulch plug and bag. Install side discharge chute (optional accessory).

WARNING! Always stop engine before changing cutting modes.

Maintenance Schedule

Regular maintenance ensures optimal performance and longevity.

Maintenance TaskFrequency
Check oil levelBefore each use
Clean underside of deckAfter each use
Sharpen/replace bladeEvery 25 hours or season
Change oilFirst 5 hours, then every 50 hours
Replace air filterEvery season or 25 hours
Replace spark plugEvery 100 hours or season
Check wheel bolts/tightnessMonthly

Storage Guidelines

Proper storage prevents damage and extends mower life.

  1. Drain fuel or add fuel stabilizer for long-term storage.
  2. Change oil at end of season.
  3. Clean mower thoroughly, especially under deck.
  4. Store in dry, covered area.
  5. Remove spark plug and add 1 tablespoon of oil to cylinder.

CAUTION! Never store mower with fuel in tank near open flame or heat source.

Warranty Information

Murray NMP2265 comes with a 2-year limited warranty covering defects in materials and workmanship. Warranty does not cover normal wear, misuse, or lack of maintenance. For warranty service, contact Murray customer service at 1-800-800-7310 or visit www.murray.com. Keep original receipt as proof of purchase.

Troubleshooting

SymptomPossible CauseCorrective Action
Engine won't startNo fuel, old gasoline, clogged air filterCheck fuel level; use fresh gasoline; clean/replace air filter.
Engine runs poorlyDirty spark plug, old oilClean/replace spark plug; change oil.
Uneven cuttingDull blade, uneven tire pressureSharpen/replace blade; check tire pressure.
Vibration during operationLoose blade, debris under deckTighten blade bolt; clean under deck.
Grass not discharging properlyWet grass, clogged deckWait for grass to dry; clean under deck.
Wheels not turning smoothlyDebris in wheel bearingsClean wheels and axles; lubricate if necessary.

Service: For technical support, call 1-800-800-7310 or visit www.murray.com

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