McCulloch MM51-450SMR Spare Parts List

McCulloch MM51-450SMR manual cover
Pages 3
Year 2008
Language(s)
English en

McCulloch MM51-450SMR Specification

The McCulloch MM51-450SMR Lawn Mower is a robust and efficient machine designed for residential lawn care. It features a 140cc Briggs & Stratton 450E Series engine, ensuring reliable power and performance for various grass conditions. The mower is equipped with a 51 cm (20-inch) cutting width, allowing for efficient coverage of medium to large lawns. The cutting height is adjustable across five positions, ranging from 30 mm to 80 mm, enabling users to achieve their desired grass length with precision. The MM51-450SMR incorporates a durable steel cutting deck, enhancing its longevity and resilience against wear and tear. The mower's ergonomic handlebar design provides comfort during operation and can be easily folded for convenient storage. It features a 55-liter grass collector, reducing the frequency of emptying and allowing for uninterrupted mowing sessions. The mower is designed with a 3-in-1 cutting system, offering versatility with options for rear discharge, side discharge, and grass collection. This flexibility caters to different user preferences and lawn conditions. The large rear wheels offer improved maneuverability, making it easier to navigate uneven terrain. The McCulloch MM51-450SMR is engineered with user-friendly operation in mind, featuring a simple recoil start system for quick ignition. Its compact and sturdy design ensures ease of use and maintenance while delivering consistent performance. This lawn mower is ideal for homeowners seeking a reliable and versatile solution for maintaining their lawns with minimal effort.

McCulloch MM51-450SMR F.A.Q.

How do I start the McCulloch MM51-450SMR lawn mower?

Ensure that the fuel tank is filled and the oil level is adequate. Push the primer bulb 3-5 times, hold the handlebar lever, and pull the starter cord firmly.

What should I do if the lawn mower doesn't start?

Check if there is enough fuel and the spark plug is not fouled. Ensure the air filter is clean and the starter cord is not damaged.

How often should I change the oil in my McCulloch MM51-450SMR?

Change the oil after the first 5 hours of use, and then every 25 hours or every season thereafter.

What type of fuel is recommended for this lawn mower?

Use unleaded gasoline with an octane rating of 87 or higher. Avoid using ethanol blends greater than E10.

How do I clean the lawn mower's cutting deck?

Disconnect the spark plug wire, tilt the mower, and use a brush or scraper to remove grass clippings and debris from the deck.

Why is the lawn mower cutting unevenly?

Ensure that the blade is sharp and properly balanced. Check the tire pressure and adjust the cutting height as needed.

How can I replace the lawn mower blade?

Disconnect the spark plug and turn the mower on its side. Use a wrench to remove the blade bolt, replace the blade, and secure it tightly.

What should I do if the lawn mower vibrates excessively?

Check for a damaged or unbalanced blade, inspect the engine mounting bolts, and ensure that all hardware is tight.

How do I store the lawn mower for the winter?

Drain the fuel or add a fuel stabilizer, change the oil, clean the deck, and store the mower in a dry place. Remove the battery if applicable.

What regular maintenance tasks are necessary for this lawn mower?

Regularly check and change the oil, clean or replace the air filter, sharpen the blade, inspect the spark plug, and clean the deck.