What Petrol Does a Lawn Mower Need? | Guide
Die wichtigsten Infos in Kürze
- 2-Takt-Motor: Gemisch aus Benzin & Öl
- 4-Takt-Motor: keine besonderen Ansprüche
- E10-Verwendung ist modellabhängig
- Benzin nicht länger als 3 Monate lagern
- Alt-Benzin korrekt entsorgen
Fuelling Your Lawn Mower: What Petrol Does Your Lawn Mower Need?
If you own a petrol-powered lawn mower, you need fuel. Without it, the machine won't run and your lawn will keep growing unchecked. The garden may be a wonderful wildlife haven for many nature lovers, but a well-kept lawn often looks far more appealing. To achieve that, fuelling your lawn mower is essential. What petrol your lawn mower needs and everything else you should know is covered right here.
The Engine Determines What Petrol Your Lawn Mower Takes
The need for fuel is what sets a petrol-powered lawn mower apart from cordless battery mowers. The most important factor when determining what petrol your lawn mower takes is the type of engine. If you have a 2-stroke model, it has different fuel requirements than a 4-stroke. This is primarily due to how the engine works, as in 2-stroke engines the oil is burned together with the fuel. The composition of the fuel also plays a role depending on the engine type. You can read more about that in the next section.
What Petrol for Your 2-Stroke Lawn Mower?
Most engines of this type use a mixture of oil and fuel suitable for lawn mowers. The 2-stroke engine can be set up in two different ways: either you add both components to a single tank, or it runs with separate lubrication. In the latter case, the machine has two tanks. This makes fuelling the lawn mower simpler, as you can use the same petrol as for 4-stroke engines.
Just make sure there is sufficient oil and carry out an oil change if it has become too old. If, however, your lawn mower has only one tank, you will need to prepare the mixture before filling. Use a ratio of 1:25 or 1:50 – that is, one part oil to 25 or 50 parts petrol. This is easy to mix yourself if you have the right oil. It's best to check the manufacturer's data sheet for the correct specification.
What Petrol for Your 4-Stroke Lawn Mower?
FUXTEC models are of this type. Petrol for 4-stroke engines does not need to meet any special requirements. You don't need a fuel specially manufactured for lawn mowers. Instead, you can use petrol from your nearest petrol station – just make sure the fuel composition is compatible with your engine.
Petrol Station Fuel for Your Lawn Mower
Like most petrol engines, your lawn mower can be filled with petrol from any petrol station. However, pay close attention to the fuel composition, as not every grade is suitable for your mower. It's best to first check the manufacturer's information to find out which fuel the machine can use. Standard unleaded petrol (95 octane), for example, has different properties to premium unleaded (97–99 octane). Some engines are designed to run on the higher-grade fuel, while others may not perform optimally with it. The main concern is also whether certain additives or components could damage the materials in your mower.
Fuelling Your Lawn Mower – Petrol or Diesel?
The question of whether your lawn mower takes petrol or diesel is answered simply by looking at what type of mower you have: a petrol lawn mower. It's the same principle as with car engines. They are designed for a specific type of fuel and can only run on that fuel. Does your model explicitly state that it has a diesel engine? No? Then you should not use diesel. At FUXTEC, for example, we sell exclusively models that require unleaded petrol.
What Petrol for a Lawn Mower – Is E10 OK?
The short answer is: yes. However, it is not particularly advisable to use the higher-ethanol fuel in a lawn mower. Older models in particular frequently have issues with it. On the one hand, the engines may not be able to use it efficiently; on the other, the ethanol can potentially damage rubber components. Therefore, check the seals and hoses more frequently than you otherwise would.
Note:
To be certain your lawn mower is compatible with E10, you should consult the manufacturer's data sheet. This will normally specify which petrol your lawn mower can use. Many manufacturers now confirm that their models work well with E10, including Honda, MTD and Briggs & Stratton.
How to Fuel Your Lawn Mower
Once you know which petrol you need for your lawn mower, the fuelling process itself is the easy part. There are just a few things to bear in mind:
- Only fuel your lawn mower with a cold, switched-off engine – otherwise hot petrol may spurt out when you remove the fuel cap.
- Always do this outdoors on a level surface.
- Clean the fuel cap with a damp cloth after opening it.
- Pour the fuel using a funnel or use a specialist nozzle attachment for your jerry can.
- Always leave some space at the top of the tank, as petrol can expand.
- Replace the cap firmly after fuelling.
Storing and Disposing of Petrol for Your Lawn Mower
If you wish to collect petrol from a petrol station, you will need approved containers to transport the fuel. Once you have these, you can fill them at the pump as normal and pay at the till. You will then need to store the fuel until it is needed. This is especially important if you have leftover petrol at the end of the mowing season.
The key rule here is never to store fuel for longer than three months. E10 should be disposed of after just one month – so it cannot be kept over winter with the lawn mower. Make sure your jerry cans are clean, tightly sealed and no more than 5 years old. If they are metal, they must show no signs of rust. Ideally, fill containers completely and store them somewhere cool and dry.
Disposing of Old Petrol Correctly
If petrol has gone off or become contaminated, you should not continue to use it. Instead, you should dispose of it in accordance with hazardous waste regulations – as that is exactly what it is classified as. It is also harmful to the environment. Therefore, take it to a household hazardous waste disposal facility. If you're unsure where to find one, contact your local council.
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Rasenmäher richtig betanken
Häufige Fragen zu Benzin für Rasenmäher
Hier findest Du kompakte Antworten zu Superbenzin, E10, 2-Takt-Gemisch, Motoröl, Kraftstofflagerung und einer möglichen Fehlbetankung.
Für Benzin-Rasenmäher der FUXTEC FX-RM-Serie benötigst Du frisches, sauberes und bleifreies Superbenzin mit 95 Oktan. Die Geräte besitzen 4-Takt-Motoren, weshalb kein Zweitaktöl unter den Kraftstoff gemischt wird. Das erforderliche Motoröl wird separat eingefüllt. Maßgeblich bleibt immer die Bedienungsanleitung Deines konkreten Modells.
E10 solltest Du nur verwenden, wenn es für Dein Rasenmäher-Modell ausdrücklich freigegeben ist. Die Bedienungsanleitung der FUXTEC FX-RM-Serie verlangt bleifreies Superbenzin mit 95 Oktan und warnt bei alkoholhaltigen Kraftstoffen vor möglichen Problemen während längerer Lagerzeiten. Super Plus ist nicht erforderlich, sofern die Bedienungsanleitung keine andere Kraftstoffsorte vorschreibt.
Bei einem 4-Takt-Rasenmäher darfst Du kein Öl unter das Benzin mischen. Benzin und Motoröl werden in getrennte Einfüllöffnungen gegeben und erfüllen unterschiedliche Aufgaben. Das Superbenzin kommt in den Kraftstofftank, während das freigegebene 4-Takt-Motoröl in den separaten Ölkreislauf gefüllt wird. Kontrolliere den Ölstand vor der Benutzung nach den Vorgaben des Herstellers.
Das Mischungsverhältnis eines 2-Takt-Rasenmähers richtet sich ausschließlich nach der Bedienungsanleitung des Motors. Je nach Gerät kann beispielsweise ein Verhältnis von 1:25 oder 1:50 vorgeschrieben sein. Verwende dafür nur ein geeignetes Zweitaktöl und miss Benzin sowie Öl genau ab. Ein falsches Gemisch kann zu mangelnder Schmierung, Rauchentwicklung oder Motorschäden führen.
Für die FUXTEC FX-RM-Serie solltest Du nur so viel Benzin kaufen, wie Du innerhalb von 30 Tagen verbrauchst. Wird der Rasenmäher länger als 30 Tage gelagert, empfiehlt FUXTEC, Tank, Kraftstoffleitung und Vergaser zu entleeren und beim nächsten Einsatz frisches Benzin einzufüllen. Altes oder verunreinigtes Benzin gehört nicht in Abfluss, Toilette oder Hausmüll, sondern zur kommunalen Problemstoffsammlung.
Nach einer Fehlbetankung solltest Du den Rasenmäher nicht starten. Diesel, ein falsches Benzin-Öl-Gemisch oder nicht freigegebener Kraftstoff müssen vollständig aus dem Tank und gegebenenfalls aus Kraftstoffleitung und Vergaser entfernt werden. Ist der Motor bereits gelaufen oder bist Du bei der Reinigung unsicher, sollte das Kraftstoffsystem von einer qualifizierten Servicestelle geprüft werden.
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