What to do if Makita PLM4621N2 Lawn Mower engine is difficult to start or loses power?
If your Makita Lawn Mower engine is hard to start or loses power, it might be due to dirt, water, or stale fuel in the tank (drain the fuel, clean the tank, and refill with fresh fuel), a plugged vent hole in the fuel tank cap (clean or replace the cap), or a dirty air cleaner element (clean it).
What causes a Makita Lawn Mower engine to overheat?
Your Makita Lawn Mower engine may overheat if the cooling air flow is restricted. Remove any debris from the slots in the shroud, blower housing, and air passages to resolve this. Another possible cause is an incorrect spark plug. Install the original spark plug and cooling fins on the engine.
Why does my Makita Lawn Mower engine operate erratically?
An erratic engine operation in your Makita Lawn Mower can stem from a detective spark plug (install a new, correctly gapped plug, referring to the ENGINE OWNERS MANUAL), an incorrect spark plug gap (set the gap between electrodes at 0.7 to 0.8 mm), or a dirty air cleaner element (clean it, referring to the ENGINE OWNERS MANUAL).
What to do if Makita PLM4621N2 Lawn Mower vibrates abnormally?
If your Makita Lawn Mower vibrates abnormally, check if the cutting assembly is loose and tighten the blade. Also, the cutting assembly may be unbalanced, so balance the blade.
How to fix poor idling on a Makita PLM4621N2 Lawn Mower engine?
Poor idling in your Makita Lawn Mower engine could be due to a dirty air cleaner element (clean it, referring to the ENGINE OWNERS MANUAL), blocked air slots in the engine shroud (remove debris from the slots), or blocked cooling fins and air passages under the engine blower housing (remove debris from the cooling fins and air passages).
Why does my Makita Lawn Mower engine skip at high speed?
If your Makita Lawn Mower engine skips at high speed, it might be because the gap between the spark plug electrodes is too close. Set the gap between the electrodes at 0.7 to 0.8 mm.
Why won't my Makita PLM4621N2 Lawn Mower engine start?
There are several reasons why your Makita Lawn Mower engine might not start. It could be due to the throttle chock not being in the correct position, an empty fuel tank (fill it, referring to the ENGINE OWNERS MANUAL), a dirty air cleaner element (clean it, referring to the ENGINE OWNERS MANUAL), a loose spark plug (tighten it to 25 - 30 Nm), a spark plug wire that is loose or disconnected (install the spark plug wire), an incorrect spark plug gap (set it between 0.7 to 0.8 mm), a defective spark plug (install a new, correctly gapped plug, referring to the ENGINE OWNERS MANUAL), or the carburetor being flooded with fuel (remove the air cleaner element and pull the starter rope continuously until the carburetor clears itself, then install the air cleaner element). In case of a faulty igniti...
Follow safety rules, avoid hazardous conditions, and ensure proper footing when operating.
Fix lower handlebars, connect upper handlebars, and clamp cables for handle assembly.
Procedure for starting the engine, including spark plug connection and throttle control.
How to hold the stop control handle during operation and its function.
How to safely stop the engine and blade by releasing the stop control handle.
Details on using the self-drive control for automatic forward movement and speed adjustment.
Procedures for blade removal, sharpening, balancing, and reassembly.
General| Type | Walk behind lawn mower |
|---|---|
| Motor type | Single cylinder OHV |
| Cutting width | 460 mm |
| Grass catcher | Yes |
| Rotational speed | 2600 RPM |
| Fuel tank capacity | 1 L |
| Engine displacement | 163 cm³ |
| Rear wheels diameter | 200 mm |
| Sound pressure level | 81.5 dB |
| Front wheels diameter | 180 mm |
| Recommended lawn area | 1400 m² |
| Maximum cutting height | 75 mm |
| Minimum cutting height | 20 mm |
| Grass collecting volume | 60 L |
| Maximum speed (forward) | 3.6 km/h |
| Engine number of strokes | 4 |
| Power source | Gasoline |
Weight and Dimensions| Weight | 33800 g |
|---|
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