Question about 2008 Husqvarna CR 125

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Lots of smoke

I have a 1987 cr 125 i just rebuilt, engine rund great but has alot of smoke and is spraying oil onto my garage door, fuel mixture is correct anything i can do to stop this?

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When you rebuilt it, I would assume that you replaced the piston rings. Were they installed correctly? Assuming they were, were the valves cleaned and the valve seals replaced? You obviously are getting oil into the cylinder(s) somehow, and these are usually the main culprits. Unless the head gasket has developed a leak.

Posted on Jan 21, 2009

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Posted on Jan 02, 2017

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2 Answers

Eliminate smoke


Drain fuel tank. Fill with fresh and add the correct amount of the correct oil.
Take the old fuel, and add it to your car's tank, it should be diluted enough so your car will be fine.

Jul 07, 2016 | Garden

1 Answer

Rebuilt and still smoking


how much smoke because 2 stroke engines do blow quite a lot of smoke it is normal as you mix oil with fuel to lube the cylinder walls and the piston

Jan 24, 2014 | 2008 Husqvarna CR 125

1 Answer

2012 blowing lots of smoke mixture ok carb ok could it be gearbox oil seal near new bike


is the oil emulsified with water as you mite have a seal or head gasket leaking ? when was it last rebuilt as it is a competition bike and needs to be done more than a road bike ! ?? i would strip the engine and replace all seals and gaskets as its cheaper than a new crank etc !

Feb 28, 2013 | Sherco Motorcycles

2 Answers

04 honda innova 125 black smoke and constant misfire


Black smoke means that the fuel mixture is way too rich (too much fuel), and the mis-fire is most likely due to carbon fouling of the spark plugs because of the rich condition of the air fuel mixture. Be sure that the air filter is clean, and that you are not running the engine with the choke on.

May 10, 2010 | 2006 Honda ANF125 Innova

1 Answer

87 325 runs good when


It's the automatic choke!

The choke is "closed" or barely open... When cold, the engine needs a RICH mixture (more gasoline, less air). When the engine warms up, it requires a LEAN mixture (less gas, more air).

It is probably creating BLACK tailpipe smoke ... that means unburnt gasoline. (Blue smoke is OIL, white smoke is WATER).

Put the parking / emergency brake ON.
1. Remove air cleaner assembly from intake, use a carb cleaner spray or throttle body spray cleaner and spray just a little. (AutoZone $5)
2. Find the accelerator2.gif arm under the hood.
3. start car, rev the engine to make sure how to operate the accelerator from under the hood.
4. Carefully spray into carb / throttle body and work the accelerator ... don't let the engine die...
5. Watch out for "backfire"... it may create a small flame out of the carb. It will extinguish itself in one second.

6. You may need to do this two, three times.
7. Add a "complete fuel system2.gif cleaner" to your next tank of gas ($8).

That's it! ... pretty cheap, too.

Hope this helps!

Sep 04, 2009 | 1987 BMW 3 Series

1 Answer

1997 yamah yz 125 lots of white smoke comeing out of pipe


How much was it smoking previously? Too much smoke (oil) is a whole lot better than not enough smoke (oil). If you are mixing the oil and gas then cut back on the mixture. Obviously it is out of balance. Put 1/2 gallon of raw gas in the tank to cut the mix. After a tank or so you should get the balance back.

You need a new shift shaft and probably need a new shift lever due to the bad splines. You can try the JB Weld but I suggest that you go ahead and drill the lever an shaft then put in a cold roll split pin from the hardware store. You have nothing to loose since the shaft and the lever are already toast.

Please rate this solution. Thanks!

May 01, 2009 | 2003 Yamaha YZ 125

2 Answers

Smoke alot


sounds like the bike is in need of new piston rings especially if that much oil is blowing on such a newer bike. if the crankcase is not overfilled, then focus on rings especially if the sparkplug is oily too.

Feb 03, 2009 | 2004 Suzuki RM 125

1 Answer

Oil


Hi KK
Use 600 ml is you are changing the oil, or 650ml  if you have just rebuilt the engine and filling from dry. Use light weight gear oil. 
regards robotek

Dec 19, 2008 | 2005 Honda CR 125 R

2 Answers

GAS MIXTURE CR 125


i would mix it 50/1 it will make your bike run a whole lot better

Nov 28, 2008 | 2002 Honda CR 125 R

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