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My 583 rotax engine smokes excessively..has 2 carbs

Tipped snow machine on it's side going slow in soft snow, it ran for a minute before stopping. upon getting it upright and restarting now smokes alot...changed gas,oil..checked all lines befor refill drove fast , slow....still doing it.....oil lit now comes on when i start it even though i am getting excessive oil smoke....rechecked gas, it's not mixed.

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Posted on Jan 02, 2017


SOURCE: excessive smoke when cold start of focus 2005 tdci

check plugs se if any are fouled out thats the first step

Posted on Jul 27, 2008

  • 41 Answers

SOURCE: kawasaki bayou 4x4 using engine oil alot of smoke from exhaust

if it is using oil, then u got stuck rings, which keep running the bike and keep a eye on the oil, or you need the top end rebuilt.

Posted on Nov 25, 2008

  • 125 Answers

SOURCE: excess white smoke coming from exhaust of TB 75SS string trimmer

This model is a four cycle engine meaning that it does not a mix of gas and 2 cycle oil. You just fill it like your lawn mower, gas and fill the crank case with oil

Posted on May 25, 2009

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SOURCE: 86 kawasaki kx250 rich mix problem

"Learn to like smoke for awhile. Smell the aroma". Pardon the humor. I couldn't resist. Chances are there is oil built up in the crankcase. It is going to take some time for the oil to dissipate. How long? I don't know. It all depends on how much is in there. Cleaning the muffler is no help since the oil burning is coming from the crank not the muffler. If you are careful, and keep a vigilant eye, you could cut the gas/oil mix in half to 64 to 1 instead of the normal 32 to 1. That would mean only 2 ounces of oil per gallon instead of the normal 4 ounces. Let the crank add the rest. This will help burn the crank oil excess, but BE CAREFUL. When the crank drys up you had best not ride until more oil is added to the gas.

A “very helpful” rating for this answer? Thanks!

Posted on Jun 16, 2009

  • 7 Answers

SOURCE: smoking outboard

Sounds like your running a bit rich. Try leaning down your air/fuel ratio.

Posted on Aug 23, 2009

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2 Answers

18 hp craftsman 2000 smokes when cutting on a side hill

Wanda, make sure oil is not over full, oil in crankcase could be running to the intake of carb., valve guides or piston drenching an excess amount of oil on them causing the smoke. As long as mower does not smoke when driving on near level surface, mower should be OK. These engines were really not designed to cut on steep grades.
2 stroke engines, the engines with gas/oil mix are the mowers that are safe to run on hills as they will not starve or over lubricate engines. Check the attached links,instruction and guides, Good luck
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
smoking at an angle
white smoke coming from riding lawn mower exhaust ShopYourWay

Jul 29, 2016 | Craftsman Garden

1 Answer

Spark plug gap for 503 Rotex

Hi Faye,

I found this,

Rotax spark plug advisory for ultralight, experimental lightsport, amateur built aircraft.

Rotax 2 stroke aircraft engine spark plugsThe recommended spark plugs for the Rotax 277, Rotax 377, Rotax 447, Rotax 503, Rotax 532, Rotax 582 are the NGK B8ES series or the NGK BR8ES ( the R in the spark plug denotes it is a resistor plug and should be used in all of the CDI ignition engines.

BUT the Bosch points ignition engines should NOT use both a resistor plug and a resistor spark plug cap - use one or the other.

The least expensive option in the long run is the cap as you purchase it once while the resistor plugs cost more than the standard plug each time you buy them.

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Use spark plugs that have a SOLID TIP - DO NOT USE spark plugs that have an aluminum screw on tip. They vibrate loose, the tip wears making a loose cap to plug fit, and can lead to the spark plug arcking across from the cap to the plug. Also the screw on style spark plugs are NOT designed for our applications, the gap is generally set up for .030 to .035 thou. The solid tip spark plugs are set up for a gap of .015 to .020 thou.

Spark plug gap

  • Allowable range: 0.4-0.5mm / .015 -.020"

  • Optimal: I usually set them to .015 and let them wear out to .019

  • This also helps getting the engine started in colder conditions

This was found at

Oct 10, 2014 | Cars & Trucks

1 Answer

Ran over piece of carpet with push mower.mower died and I pulled carpet out.when I restarted it is blowing oil out of exhaust and out of place where you put oil.What can be the problem?

when tipping mower to get to blades ALWAYS tip carb side UP. Otherwise oil gets dumped in carb and causes smoke and problems. let set for a day or 2 or start and let oil burn away

Oct 04, 2014 | Garden

1 Answer

I have cleaned out the carborator on a 179 cc powermore engine but the engine still surges. is the problem other than the carborator?

Ther is usually a spring on the governor linkage. Make sure this is attached. If it is, clean the carb out again, use compressed air and a good cleaner like gum cutter. Also there are usually brass jets inside the carb. These need to come out to be able to clean properly. It might take a special screwdriver from snap in to get these out, or use a regular screwdriver and grind off the sides so it will fit in. It takes just the right screwdriver to do this or you will strip the soft brass out. I used to work in a small engine shop. Sometimes it takes multiple tries to get a carb clean, but persistence pays. Also, try smoking the carb in carb cleaner over night.

Sep 19, 2014 | Garden

1 Answer

The engine smokes excessive. the mower is 2 yearsold.

Sounds like the mower has been tipped, the engine breather is on the top of the engine, if the mower is tipped on its side oil will tavel down the brather pipe into the back of the air filter box, the filter is paper and once soaked in oil it will smoke heavily, remove the filter cover and filter, run the mower ( not cutting grass ) until the smoke stops, now replace with a new paper filter, check the oil level in the engine, if low top up.

Jun 21, 2012 | Troy Bilt 5.5hp Self Propelled Mower

1 Answer

Have a Troy ilt with the Honda motor. Started easy ran a bit then started blowing smoke out the exhaust. Head gasket?

Hi and welcome to FixYa, I am Kelly,
I doubt it is a head gasket. First check to make sure the oil level is not over-serviced. Then if the oil level is correct and after 10 minutes it is still smoking you will have to remove the breather assy on the side of the head where the valves are and clean the reeds with solvent. (might require a good soaking) The crankcase is over-pressurizing causing oil blow by via the valve stems. Sometimes you will experience up to 4 minutes of oil smoke if you have tipped the mower in any direction other than flat. If that is what caused your oild smoke episode it will clear and there is nothing you need to do other than let the engine run. If it easily repeats the smoking after running for a bit routine you most likely have a sticking crankcase / valve breather reed. Cleaning it usually will correct the excess smoke problem. You should be able to remove the breather without removing the carb for cleaning.
If you have a head gasket failure the engine simply will not start. Since the engine is an overhead valve design it is possible to have a head gasket fail but..... highly unlikely unless someone has done recent maintenance on the valves and disturbed the head gasket. I have not seen a honda head gasket failure that was not induced by someone doing maintenance on a cylinder head. The design of the head even with minimal bolt tightening torque will allow the engine to run just fine and not ruin the head gasket.
Should you require more information I will need your exact engine model number from the crankcase of your engine just aft of the oil fill tube on the base of the crankcase.
Thanks for choosing FixYa,

Dec 29, 2010 | Troy Bilt 5.5hp Self Propelled Mower

1 Answer

I have a briggs and stratton quicksilver, just got some string stuck round blade and mower stopped turned it on it's side freed string started up and oily smoke coming out of exhaust

Not to worry. When you tipped the mower on its side, oil ran into the exhaust. Allow the engine to run few minutes and it will stop smoking. The B&S engine will put oil in the muffler if tipped to the left, and oil into the carburetor if tipped on the right. The only safe way to tip the engine is where the spark plug is pointed upward.
Don't forget to check your oil level and adjust as necessary.
Good luck!

Sep 05, 2010 | Briggs & Stratton Garden

1 Answer

Guages stop and irratic idle with dimming lights

what probley happened the alternator started to heat up alittle to much and caused the belt to spin on the pulley i would go ahead and get the alternator replaaced as soon as possible. as for the lights dimming and the gauges not working you was running off your battery making the vehicle mess up i would also get your battery checked while your at it.

Jun 09, 2009 | 1999 Mercury Cougar

1 Answer

Have a toro power stage max model 826LE electric start, runs irre

Sounds like carb. may need adjusting. Take the heat box off to expose carb., there should be 2 adjustment screws- 1 on the bottom of the bowl and 1 on the side of the carb just above the edge of the bowl ( depending how the carb sets off the engine - if the carb comes straight out it will be on the side facing towards the front of the snow blower or if it goes towards the handles then standing other side of the snow blower the screw will be facing you), turn both screws in til they just bottom out the turn them out 1 1/4 turns out then start the machine. While the machine is running at low idle turn the screw on the side of the carb. in (clockwise) a little at a time listening for the engine to start to rev up and then start to rev down, bog or studder then turn back slightly to bring idle back up. Once the idle is up then the screw on the very top of the carb. turn that out to lower idle to a normal idle. Repeat those adjustments till you cant get the idle to go up anymore. Now for the screw on the bottom of the bowl- move the throttle up to max and turn the screw in till you hear it rev up higher and starts to bog or sputter then turn it back slightly to bring the high rev to a smooth rev. That should take care of it. If it does not solve it then the carb may need cleaning then the adjustments done again. If you need more help on this please feel free to ask. Sometimes you have to do process of elimination and you start with the easiest first. Also the adjustments should help with the carbon build up on the plug.

Jan 15, 2009 | Agri-Fab Agri - Fab Snow Blower - 42"

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