Question about 2011 Honda CBF Stunner

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2011 Honda CBF Stunner has blue smoke coming out of exhaust

Hi, I bought the Stunner CBF bike 4 years ago. It was fine up to 40,000 km. And after 40,000 km its starts to smoke. So I replaced the ring and piston with original parts but it didn't work well and still smoking and again the technician open the bike and they said that it is the piston problem and they said that it should be replaced but not with the original parts and they replaced the ring and piston with 50mm size of Mahal brand. I have replaced all the parts like ring, piston, valve and other supporting parts but still my bike smoking when I accelerate above 60km/h. When I ride bikes in hilly areas with my friends behind them, pick up is very less and the bike smokes blue. My silencer gets wet and when the bike cools down then the silencer gets dry. When I check the engine oil it is fine up to the mark of the leveler. So I am confused what is the problem. For 8 to 10 times I used Sarvo, Enoc and Zic engine oil. Now I am using Honda engine oil in a gray bottle pack. The technician said that the parts of Honda are not good enough as before. These are all made in China so that is why the problem occurs. So that they replace the Mahal brand ring and piston. Now my bikes traveled nearly 50,000 km (49,800 km). And one thing I didn't give my bike to the showroom for the replacement of ring and piston. I gave it to the reputed technician in town. I think this time I will get a proper answer for my problem. Thanks

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  • Honda Master
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Hi, Bibek 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 startup 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 startup 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 startup 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 for viewing or printing please click on the links below. Good luck and have a nice day.
How to Fix Blue Smoke From Exhaust in Under 1 Hour
Blue Smoke Problem Wheeler Dealers
Honda Cbf 125 Service Manual
http://www.partsfish.com/page/oem-parts-for-honda
Honda CB Owners Manuals

Posted on Sep 25, 2017

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ginocussen
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SOURCE: my honda cbr 600 is struggling as if it keeps

It all seems to be leading to fuel starvation. Have you checked the tank breather is not blocked which can be a small hole in the petrol cap or a tube from under the tank. It could also be a blocked fuel filter. There should be two. One inside the fuel tank under the petcock, another before the fuel pump. Here is the workshop manual where you can find all info you will ever need for this bike.
Hop this has been useful, rate me if it has...?
Thanks and good luck.
http://www.carlsalter.com/download.asp?fileid=072111110100097095067066082095054048048070051095039057053045039057054095083101114118105099101095077097110117097108046114097114

Posted on Apr 24, 2009

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SOURCE: Engine knocking problem of Honda Unicorn 2005 make

I too have a similar problem. I couldnt find any solution. If you have found it please let me know.

Posted on Jul 06, 2009

ollie reece
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SOURCE: Misfiring 2007 Honda VFR 800

try new plugs also maybe a different plug also check air filter is clean

Posted on Sep 22, 2009

  • 11 Answers

SOURCE: Misfiring 2007 Honda VFR 800

I would say that your bike may be running a little lean. I usually replace the jets on all my bikes as soon as I get them as the emissions requirements mandate that the manufacturers pass stringent emissions tests prior to the dealer selling them. Some bikes wont even idle or run, especially off road bikes from places like California. and in these cases you must re jet it is a must! I even throw away or drill larger holes into my air cleaner cover.

Good Luck!
Geodesygold

Posted on Sep 22, 2009

  • 3567 Answers

SOURCE: I just bought 96 xr600 from original owner, in

If it ain't broke, don't fix it. If the bike has adequate power just go ahead and ride it. Chances are it will get better from use. The rings are probably sticking in the ring grooves creating the low compression. A shot of WD-40 in each spark plug hole, left sitting overnight may help the free up the rings. The brand of oil does not matter much. Just be certain to NOT use synthetics or oils with "Special" additives. They can swell or shrink the cork on the clutch friction plates. Now you need new plates.

Posted on Nov 01, 2009

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1 Answer

I have honda stunner bike i changed bore piston with connecting rod still smoke come when high tourqe


There are a number of possible reasons to get smoke including:
Cylinder bore scored, causing rings to not seat.
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2011 Honda CBF Stunner wiring diagram


Hi, Anonymous for this scenario you will need your service, parts fiche, and owners manual if you can't find the best tool you ever bought for your Honda, despair not, for a mere $23 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
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Jan 24, 2014 | 2011 Honda CBF Stunner

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2011 Honda CBF Stunner wiring diagram


Hi, Anonymous for this scenario you will need your service, parts fiche, and owners manual if you can't find the best tool you ever bought for your Honda, despair not, for a mere $20 you can download another one. For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
2011 Honda CBF Stunner wiring diagram Google Search
Honda Motorcycle Wiring Diagrams
https://haynes.com/en-gb/honda-cbf125-09-14-haynes-repair-manual $20
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Jan 24, 2014 | 2011 Honda CBF Stunner

1 Answer

Replace clutch bike


Hello,

This is a fairly new bike you should not be having mechanical failures. Sounds like a spark or fuel problem (e.g. fuel filter, spark plugs, bad gas, injector clog). Get a fuel injector/carb cleaner that you put into the gas tank at the dollar store and check the plugs--if they are black take a wire brush and clean them. Acceleration problem, right?

Oct 21, 2013 | 2011 Honda CBF Stunner

1 Answer

Remove missing


clean all fuel filters even the one in the fuel tap

Aug 04, 2013 | 2011 Honda CBF Stunner

1 Answer

What can i do for increasing its mileage


What ever could be done to increase mileage...was done by company expert....before launching the bike..
you can simply retain the mileage of your bike by taking proper precautions.
timely change ur bike oil (around 1500 km)
used standard quality bike oil.
timely servicing from authorized persons.
no harsh driving..braking and accelerating changes should be minimum

Oct 19, 2012 | 2011 Honda CBF Stunner

1 Answer

My bike have no suden pic up


Thats u r driving problem na clutch plates r weak thats why u rbike have that problem

Nov 17, 2011 | 2011 Honda CBF Stunner

1 Answer

2008 Honda CBF Stunner Manual free


not like that it sautomatically free for but some expenditures upon u only

Nov 07, 2011 | 2011 Honda CBF Stunner

1 Answer

Bike makes much noise when speed upto 40kmph or more, as it needs next gear, even at top gear


its correct but we can maintan it regular sevice and 15to25 oil level checkups chain cover r not given beacuse its new model bike na u also check chain sproket oil evey 10to15days som free ness become strating starting come medium speed slowly take speed than be strain less you riding also happy

Oct 16, 2011 | 2011 Honda CBF Stunner

1 Answer

Bought my stunner recently,3 days back.Today when i was trying to start it by self start,it was not turning on but made choking sound..All other stuffs are working good...Since there is no kick start...


the only way i know of starting the bike by pushing it is to get up to 40mph

but before that is the battery fully charged? also i would drain the fuel tank and put in new fuel then check the spark plug is working by removing it from the engine and laying it on some metal and seeing if it sparks
if it still dosnt start then the carb needs a clean

hope this helps

John

Oct 12, 2011 | 2006 Honda CBF 250

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