Be careful, however, not to put too much. Indeed, this can generate a lot of smoke. If your scooter smokes black, more often than not this is accompanied by a loss of engine power that you will feel. This loss of power is due to the malfunction of your carburetor. The carburetor is the heart of your engine. It is this part that supplies your engine with fuel. Its malfunction can therefore cause a loss of power, overconsumption of your motorcycle and therefore can cause black smoke coming out of your exhaust.
Indeed, black smoke indicates that you have a combustion problem. This explains the loss of power. In fact, your engine does not burn the fuel injected into it. An excess of fuel injected by your carburetor into the engine is the cause of this poor combustion.
If your scooter smokes black, have your carburetor checked. The black smoke may also come from an interview on your part. Indeed, using poor quality oil can be the cause of black smoke on your scooter. Also take a look at your air filter. When dirty, it can cause black smoke to come out of your exhaust.
Be careful, an air filter can be cleaned. But to be careful, in case of clogging, replace it. In most cases white smoke when you start your scooter is not really a bad sign. If your scooter has been stationary for a long time, the white smoke coming out of your exhaust is normal. There is no need to worry. Condensation explains this case. I once had a motorcycle where the wiring caught on fire because a positive wire accidentally touched the metal frame and there was no fuse on that line.
This type of burning will often be accompanied by the smell of burning rubber. Look over your wiring and wiring harness for any burns, scorch marks, or melted plastic. This should be promptly fixed before starting your motorcycle. Another reason a motorcycle may smoke could be due to new exhaust wrap on the exhaust pipes.
After this is installed, the fiberglass burns off and hardens as you ride. These will smoke a bit and smell unpleasant the first few hours after you ride your motorcycle. This is normal if you or a shop recently installed these. In some cases it can be obvious where the smoke from your motorcycle is coming from. Obviously smoke will have a general smell, but these issues previously described will each have an additional distinct smell to them.
If the smoking is caused from failing piston rings, there will be an excessive amount of smoke coming out of the end of your exhaust pipes.
This will usually be a white smoke with a blue-ish tint to it. And it will smell like burning oil which is different from the normal exhaust smell. These first two should be easily distinguishable since the engine and the exhaust pipe are generally a foot or so apart from each other. Smoke that is coming from the wires of your motorcycle is also very distinguishable. This will emit a very dark, almost black smoke and will be accompanied by the smell of burning rubber because the rubber casing around the wires are burning.
If the smoking is caused by new exhaust wraps, you will notice a white smoke, almost looking like steam, coming from the entire length of the exhaust wrap. This emits the smell of burning fiberglass which is quite unpleasant to smell. A lot of these issues can be fixed yourself if you have a set of basic tools and are willing to do a little bit of research. Click here to see my list of recommended tools. You can start with doing a compression test on the engine.
This tests the pressure inside each cylinder separately and if the pressure is low in one or more cylinder that likely means you need to replace the piston ring. I went for a little ride on the Riverside Expressway Brisbane tonight on my 50cc scooter naughty I know because mopeds are banned-oh well its faster than a tractor! Anyway I got the fright of my life, had only been riding for a few minutes and in the mirrors I could see this massive pile of white smoke, looked down and it was coming out of the exhaust!
Like a smoke machine at a metallica concert. About a month or so ago I had drained the whole oil and replaced it with new quality stuff, dont usually get any smoke at all maybe a smidge on start up. I had only been going top speed for maybe 1 minute and only riding for say minutes in total.
Was the smoke from unburnt oil deposits previous, sitting in the exhaust now heating up doubt it because it was a cold night , or does my scooter need adjusting the oil flow to lower it because the oil pump is mixing too much oil into the fuel causing the smoke is this even possible? Got a fright from that too. I did also do a change of oil on the gearbox oil approx 1 month ago too.
I got shell ultimate which i get every time from the same servo. If it is still doing all these things well and all seems OK maybe the oil pump mixture is not right.
If the scooter is running fine, starting fine and still going well under 50 providing nice acceleration and not stuttering, it doubt it has seized. If the scooter is still going well I would take it back to the dealer and have him adjust and check it out. One thing I am sure of is that you shouldn't be adjusting the oil pump yourself.
Not sure about the spark plug , but i would be definately cutting off the dogs sparkplug bro lol. My NSR uses 1 bottle of oil very 2 -3 tankfulls of petrol so about mix. It's CVT so there is no gearbox so no seal to let gearbox oil in. If a crankcase seal was blown it would probably not run at all. It is not water cooled so no coolant is entering the engine. With two strokes, when used at part throttle, sometimes oil accumulates in the bottom of the crankcase and only gets blown out when operating at maximum throttle.
You will know if this is likely if you monitor the oil consumption. When you emptied out the oil are you talking two stoke oil or the rear gear casing.
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