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Carb set up yamaha cb3

Lots of blue smoke

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Blue smoke is Oil burning.
Either from abused engine OR someone overfilled the oil

Posted on Jul 24, 2013

Testimonial: "Just got this yamaha 200 CS3-B in very good condition for the age of it but the bike has good compression when I ride it has lots of BLUE SMOKE and oil comes out of mufflers when I stop HELP ME thank you Peter"

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Posted on Jan 02, 2017

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2007 Yamaha V Star blowing black smoke


Hi, Quentin your instrument gauges and lights can alert you to most electrical and engine issues they can not warn you about failed engine gaskets or seals so your engine has to resort to old fashion alert methods of colored "SMOKE SIGNALS" here is a breakdown of their meaning:
1. COLORLESS OR SLIGHTLY BLUE SMOKE on start-up means your air/fuel mixture is at the right composition and everything is well burnt in your combustion chamber.
2. BLUE SMOKE on start-up is usually caused by failed valve seals dripping oil into the combustion chamber when the engine is not running.
3. YELLOW OR BROWNISH SMOKE at start-up means your air/fuel mixture is too lean. Too lean means that there is low fuel but high air mixture in your combustion chamber.
4. WHITE SMOKE on start-up may be caused by a blown head gasket allowing coolant to enter the combustion chamber and may start dripping out of the exhaust pipes or mufflers. Smoke while riding is usually caused by worn out or damaged valves, seals, guides, pistons, rings, or cylinder walls.
5. BLACK SMOKE on start-up is usually caused by too much fuel in the combustion chamber this can be due to air/fuel mixture adjustment too rich, accelerator pump improperly adjusted, faulty choke/enrichner or not in the off position, air filter dirty and clogged, faulty carburetor float needle and seat, pilot jet too large, fuel injectors leaking, smoke while riding is usually caused by the main jet being too large or a damaged carburetor.
It should be noted that aggressive or abnormal throttle operation will cause these conditions to manifest themselves exponentially.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
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1984 honda big red smoking out the exhaust littel oil coming out tho also it has the wrong carb on it the carb come off a honda atc 200x


If it is black smoke, it could be running rich and the correct carb will fix that. If it is blue smoke, then it is burning oil.

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I have bought a 1981 Yamaha XJ550H Maxim The Idle was 4000Rpms, Since, I have replaced the Intakes, and Have rebuilt the carbs with new slide diaphragms and put new carb kits in the carbs, I have bought a...


Hi, Anonymous start with 1 1/2 turns out then you will need a vacuum board or 4 vacuum gauges to sync all four.
For this scenario, you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $10 you can download another one.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
81 Maxim xj650 Carb Sync Running like Cap
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1 Answer

Pw 80 1992 yamaha carb settings and float settings


Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere zero $ you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
Pw 80 1992 yamaha carb settings and float settings Google Search
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1 Answer

28N700 Series Engine Started using oil and smoking severely


the needle valve in the carb is bad the gas over flows into the engine

May 08, 2012 | Garden

1 Answer

My Yamaha jog 2002 scooter 50cc, 2 stroke run rich puffing a lot of smoke in the mornings, it only does 60km for 5L of petrol. what do I need to do to get better performance on it. Regds, Omar


have your carb cleaned and balanced, replace the piston rings and decarbonize the block that should do it, and also you can change your spark plug just incase

Oct 19, 2009 | 2008 Yamaha Yamaha G5

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HARLEY DAVIDSON 125TX WILL NOT START


replace plugs also on carb there will be a mixture screw the person probably adjusted this you need to turn this out and see if it improves 1/2 a turn if not screw it in 1 turn if still no difference fiddle with it also replace/clean air filter this may help good luck bud df7e911.jpg

Sep 09, 2009 | 2002 Yamaha TT-R 125

1 Answer

Only runs half throttle


so, can you tell me what kind of carb was on the bike before? was it factory? and what kind of carb was just installed? blue smoke can be caused by burning transmission oil or a rich fuel mixture. that might be a bad crank seal or case gasket, or just improper fuel/oil ratio or improper jetting. black smoke on the other hand is usually caused by too much gasoline burning, but if there were enough gas entering the engine to cause black smoke, the bike probably wouldnt run at all. but, if you can give me more info on the carb swap, and if possible any jetting information or jetting changes, thenI can definitely tell you what your problem is.

Sep 04, 2009 | 2003 Yamaha YZ 250

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