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The only basic difference between 2 stroke and 4 stroke fuel is that you add a measured amount of 2 Stroke oil the the fuel. What issues you get will depend on how much 2 stroke fuel you actually ran through the engine. A small amount like 2 or 3 minutes of running time won't do the engine any great harm. You said you replaced the fuel for fresh 4 stroke. Assuming you only ran the engine for a couple of minutes you can safely run the engine AT IDLE to burn off the 2 stroke fuel. It will blow grey/black exhaust for a while but this should thin out and disappear as the 4 stroke fuel gets into the system. Once the exhaust gas clears turn the mower off and give it a full service, Fuel filter, oil filter, air filter and spark plug then you should be good to go.
You would never mix any fuel and oil for the crankcase. If it is a 2-stroke engine, the fuel and 2-stroke oil will need to be mixed before entering the cylinder. Some engines have an automatic mixing setup - those have a separate oil reservoir for 2-stroke oil, but it will usually be a plastic tank, located nowhere near the crankcase. On a "4matic" engine, it fires like a 4 stroke, but there is no crank case, and the fuel needs to be mixed like a 2 stroke. What is the vehicle you are referencing? A dirt bike or street bike? It seems the CR125 and NR125 are both 2 stroke engines, so somehow the fuel needs to be mixed with 2-stroke oil. Can you take a picture of the crankcase oil cap?
geez mate what planet r u on?
Two strokes require you to put 2 stroke oil in the fuel and the motor gets its lubrication that way. most r 50-1 meaning 100mls of oil to 5l 0f petrol so no you dont need to change the oil on a 2 stroke as you only need to do that on a four stroke
Yes if you are talking about fuel stabiler on a four stroke fuel tank engine yes,,, and if you have a 2 stroke make sure you have right fuel and oil mix and yes u can put in stabilzer in a 2 stroke engine fuel tank
if its a 2 stroke then you need fuel spark and air to get the bike to start have you got compression? check it by removing the spark plug and put your finger over the hole air try and start the bike your finger should be pulled into the hole if not then a piston ring is either cracked or broken
open the air box and check the filter then clean the carb thats all you need for a 2 stroke
if its a 4 stroke then again check the air filter and compression remember that a 4 stroke doesnt have the oil with the fuel it goes in a separate chamber
your victa is a 2 stroke vc160 these units sare stated to run 25:1 fuel / oil ratio
that is 40 mils of 2 stroke for every 1.0 litre of petrol that mix
so if mixing 2 litres - 1st put in 80 mils of good quality 2 stroke oil then put in 2 litres of petrol , give good shake and fill up your mower tank
2 stroke oil that you would use for sthil chainsaw would be ok its hi quality
you could use some fuel stabilizer additive to hekp stop mix from going stale too soon
if wish but most times just mix enoyugh mix to het job done , then mix more if need it
two stroke mowers will have a picture of a oil can on the fuel cap,if it doesn't it is most likely a four stroke.
four stroke mowers will have a fuel cap and a oil cap as well.
The fuel to oil ratio tells how much fuel and oil to mix for a given 2 stroke engine. It can be different depending on the recommedation from the manufacturer. NOT ALL 2 STROKE ENGINES USE THE SAME RATIO. You have to know the manufacturer recommendation for your engine.
i guess your asking if its a 2 stroke or a 4 stroke right ?
2 stroke engines dont have an oil filler cap , just a fuel filling point, the fuel used in a 2 stroke is just normal unleaded (aus) but you mix 2 stroke oil in the fuel before filling (about 50/1) or whatever it recomends.
4 stroke uses the same fuel but you dont mix the oil with the fuel , it has its own filler point for oil , however you must use a 4 stroke oil with these .
hope this is what you were after.
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