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Honda engines are traditionally 4 stroke. If the exhaust comes out of the head it is a 4 stroke, if the exhaust comes out of the cylinder it is a two stroke.
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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.
Matt, If engine is two stroke and not oil injected then yes you must mix 2 stroke oil and fuel. 4 stroke engine have a crank case which is filled to proper level with 4 stroke engine oil. Check the attached links,instruction and guides, Good luck
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these small engines take 2 stroke oil/gas mixture, usually a 50 : 1 ratio, a little heaver on the oil is better than too light. the oil in the gas lubes the internal parts of the engine. if straight gas is introduced into gas tank just remove & replace with 2 stroke mixture. if engine has not been operated with straight gas, no harm will be done.
does the engine take oil? if it does then it is a 4 stroke and does not require mixed gas. if it doesn't have its own oil then it is a 2 stroke and requires mixed
Judging from what discription you are giving me I would say it is a 4 stroke, so make sure you have either sae 30 or 10/w30 oil in crankcase where it says oil and petrol (gas) in the other tank. 2StrokeJim
If it has a 4 stroke engine, as most lawnmowers do, then you just car engine oil. Very occasionally you come across 2 stroke mowers.
The way to know if it's a 4 stroke or 2 stroke engine is, if it has an oil tank it's a 4 stroke engine. If there's only the one tank, i.e. you mix the oil with the petrol then it's a 2 stroke engine.
If it's a 2 stroke engine you mix petrol and 2 stroke oil at a ratio of 40:1
not if is a 4 stroke engine not being bothered to include engine make , model year etc makes answering accurately.
you could even say the color of the smoke
so here is a generic answer ( 4 stroke )
it indicates that there is a problem in the needle and seat and there is no fuel flow control in the carby
if it is a 2 stroke with a carby --same problem
ordinary engine oil (20w-40) for 4 stroke sump) and special 2 stroke for 2 stroke engine
Turn both jet screws CW to stops (lightly), then back both out 1-1/2 turns CCW each. This is a basic setting and the engine should start and run. Allow to warm up, then pull the throttle full on--the engine should 4-stroke. Adjust the H needle CW until the engine speeds up somewhat, but continues to 4-stroke. Correct adjustment is when the engine 4-strokes, but immediately 2-strokes when cutting. Release the throttle and adjust L CW until the engine runs fairly well, but still allows the engine to 'follow-the-throttle'. Adjust idle speed so that the chain stops turning, but the engine continues to run. Hope this helps!
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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