Operation, Before Starting, To Start Engine

SECTION 7: OPERATION

NOTE: Engine is shipped without oil.

BEFORE STARTING

1.Service engine with oil as instructed in the separate engine manual packed with your unit.

2.Fill fuel tank with clean, fresh, lead-free, low- lead or regular grade leaded gasoline.

TO START ENGINE

NOTE: When pushing the unit with the engine off, you will hear a ratcheting sound (gear noise) which is normal.

WARNING: Be sure no one is standing in front of the tiller while the engine is running or being started.

Model 410/420

1.Place gear selection lever in NEUTRAL.

2.Place the throttle control lever in FAST position. See Figure 13.

3.Move choke lever to CHOKE position.

NOTE: A warm engine may not require choking.

Choke

Throttle Control

Model 410/420

Air

Cleaner

Primer

Fast Throttle

Stop

Model 415

Figure 13

4.Stand at side of tiller. Grasp the starter handle and pull out slowly, until it pulls slightly harder. Let rope rewind slowly.

5.Pull starter handle rapidly. Do not allow handle to snap back. Allow it to rewind slowly while keeping a firm hold on the starter handle.

6.Repeat steps 4 and 5 until engine starts.

7.As engine warms up and begins to operate evenly, move choke lever gradually to RUN position. If engine falters, return to choke position, then slowly move to RUN position.

Refer to engine manual for additional engine information.

Model 415

1.Place gear selection lever in NEUTRAL.

2.Place the engine speed control in the START position.

3.Push primer two (2) or three (3) times (see Figure 13). Wait about two (2) seconds between each push.

NOTE: Primer may be needed to restart a warm engine after a short shutdown.

4.Stand at side of tiller. Grasp the starter handle and pull out slowly, until it pulls slightly harder. Let rope rewind slowly.

5.Pull rope with a rapid full arm stroke. Do not allow handle to snap back. Allow it to rewind slowly while keeping a firm hold on the starter handle.

NOTE: If engine fails to start after three (3) pulls, push primer two (2) times and pull starter rope again.

6.Repeat steps 4 and 5 until engine starts. Refer to engine manual for additional engine information.

NOTE: After starting and prior to using the tiller for the first time, be certain to check the clutch adjustment as described in “Checking the Clutch Adjustment” section of the Assembly Instructions.

TO STOP ENGINE

1.Move throttle control to STOP or OFF position.

2.Disconnect spark plug wire and ground to prevent accidentally starting while equipment is unattended.

NOTE: After the first ten hours of operation, recheck the clutch adjustment. Refer to final clutch adjustment in Assembly Instructions.

420, 410 specifications

The Yard Machines 410 through 429, 21" Rear Discharge Push Mower is a robust and versatile lawn care solution designed for homeowners who prioritize efficiency and convenience. This highly regarded mower stands out in the market thanks to its state-of-the-art features and technology that enhance mowing performance.

One of the main features of the Yard Machines push mower is its 21-inch cutting deck, specifically designed for optimal maneuverability and efficiency in both small and medium-sized yards. The rear discharge functionality allows for a clean and controlled cut, ensuring grass clippings are evenly distributed behind the mower, which helps to improve the lawn's overall health by returning nutrients to the soil.

Equipped with a powerful 140cc engine, the Yard Machines mower provides reliable performance for tackling various grass types and yard conditions. The engine's design prioritizes fuel efficiency, allowing homeowners to mow larger areas without frequently stopping for refueling. The easy-start mechanism enhances user experience, ensuring that the mower starts quickly with minimal hassle.

Another key characteristic is the adjustable cutting height feature, which offers six different settings, ranging from 1.25 inches to 3.75 inches. This versatility allows users to customize their mowing experience based on the specific needs of their lawn and prevailing weather conditions. Whether you need a close cut for a formal look or a higher cut for more foliage, this mower can accommodate your preferences.

The Yard Machines 410 through 429 models also excel in user comfort and ease of use. The lightweight design ensures that even less experienced operators can maneuver the mower effortlessly. Additionally, the ergonomic handlebar provides a comfortable grip and helps to reduce fatigue during extended mowing sessions.

Durability is another standout aspect of this mower, as it features a sturdy steel deck that can withstand the rigors of regular use, ensuring longevity and reliability. Furthermore, the mower's compact size allows for easy storage, even in tight spaces.

Overall, the Yard Machines 410 through 429, 21" Rear Discharge Push Mower is an excellent choice for homeowners seeking a reliable, efficient, and user-friendly option for maintaining their lawns. With its combination of powerful performance, adjustable features, and durability, this mower is designed to make lawn care an effortless and enjoyable task.