What causes a motorcycle engine to have blue smoke?

What causes a motorcycle engine to have blue smoke?

You’d also notice a reduction in gas mileage and power. Blue smoke is usually caused by oil getting past the piston rings and burning in the combustion chamber. If you notice blue smoke during acceleration or on deceleration, check your engine oil level.

What’s the difference between black and Blue Smoke on an ATV?

Whereas black smoke means you are burning gasoline, blue smoke means you have burning oil. This may not be a big deal if you have a 2-stroke quad since such engines normally emit a blue/gray smoke. If you have a 4-stroke quad with blue smoke, or your 2-stroke is putting off an excessive amount of blue smoke, then you have a problem.

Is it normal to smell fumes from a motorcycle?

Oil burning engines will make a whitish smoke usually tinged in blue for the oil. Both of these will change when the motorcycle is warmed up to operating temperature. Usually a rich motorcycle will produce less smoke after it is warm. But the oil burning engine will usually the smoke will get worse as it warms up.

What to do if you have blue smoke in your exhaust?

Inspect the piston ring and valve seals to ensure they are air-tight. If you are unsure how to do this and your user’s manual does not provide instructions, seek professional assistance. Failure of these seals results in burning oil, hence a blue smoke, and the seals should be replaced immediately. Check the ambient air temperature.

Why does my moped have blue smoke in it?

Blue smoke, or bluish gray smoke, suggests that your moped is burning oil. This occurs when the rocker arms within your engine, which usually permit the passage of fuel and air into the combustion chamber, allow oil to pass into the air fuel mixture. Check the oil levels on your moped and ensure you are not leaking oil.

What causes a 2 stroke moped to smoke?

It should be noted that some 2 stroke mopeds and scooters naturally emit smoke with a blue tint in small volumes. However, large plumes of blue smoke coming from the engine itself or more likely the tailpipe of your moped require diagnosing. These symptoms most likely point to a burning oil issue caused by leaky or worn out valve seals.

Inspect the piston ring and valve seals to ensure they are air-tight. If you are unsure how to do this and your user’s manual does not provide instructions, seek professional assistance. Failure of these seals results in burning oil, hence a blue smoke, and the seals should be replaced immediately. Check the ambient air temperature.

Why does my motorcycle have black smoke coming from the exhaust?

Black soot on the spark plugs suggests that the fuel/air mixture is too rich, resulting in gray exhaust smoke. A shiny, wet, black film on the plugs is a result of excess oil, and this causes blue smoke. Check and clean the air cleaner which may have become clogged, causing gray smoke.