Question about Craftsman 675 Torque 190cc 21" Briggs Stratton RearBag Push Lawn Mower (CA) ()
Posted by Anonymous on
Does it stay running after you squirt fuel in the carb opening? If yes, then there may be a pin hole leak in the hose going from the fuel tank to the primer bulb and it is adding air to your carb.
Posted on May 02, 2015
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Posted on Jan 02, 2017
SOURCE: I have a Brigs&Straton 6.5 Quantum lawnmower will not stay running. I can keep it running by restricting the amount of air entering the carb with my finger (choking it) The mower will start if it
the problem is in your carb.,at the bottem of the carb. there is a bolt that threads in to the carb.pinch off the fuel line so that no fuel comes out after the fuel bowl is off the mower.now look into the bolt that you took off.there should be a hole oppisit the head of the bolt.there are also two holes that go through the sides.these holes are the fuel intake to the carb,the hole in the center is the fuel nozzle.most likely you have dirt blocking this hole and not letting the motor get enough fuel to run.thake some carb cleaner and spray it in the hole.take an air hose then blow the nozzle out.while you have the screw out take the bowl off and check to see if there is any water or dirt in the bowl.after cleaning.reinstall the bowl and start mower again.should be running ok now.if not let me know and i'll guide you through another fix.let me know if this helped or not................
Posted on Jun 02, 2009
You need to clean the carburetor. Or, you need a new carb. kit. If you need tips on how to best do this, just let me know.
Posted on Jun 04, 2009
Most of the starts but dies problems are caused by dirt/water/debris in the carburetor float bowl.
You can try draining the gas out of the carburetor float bowl by removing the float bowl nut located on the bottom of the carburetor.
Make sure the hole in the float bowl nut are clean. If the problem persists after draining the float bowl nut you will have to remove, dis-assemble and clean the carb with compressed air and carb cleaner.
Posted on Aug 20, 2009
under the carb is a metal bowl. This bowl houses the carbs float attached to a needle valve. This valve is probably stuck open due to corrosion or dirt blocking the opening. You can remove the bowl with a half inch wrench and lower the bowl from the carb. Let some gas flow out of the needle valve and work the float up and down to help clear out the obstruction.
Push up on the float and see if the fuel flow stops. If it does you can put the bowl back on and see if it stops flowing out the primer bulb.
If it is still flooding you probably need to replace the float, and needle and needle seat. These are pretty inexpensive you can order them online *(ebay might even have them!).
You might want to clean the main jet too. You should get this carbs diagram to show you where the main is located.
Posted on Jul 09, 2010
Testimonial: "Leaking stopped but mower still would not start. Soaked carb in Gunk & the bowl gasket stretched, have ordered an overhaul kit. Research showed the mower model as 917.377240 w/ motor 128602 0304 E1 w/ Walbro 214661 carb. Kit # 692703 or 792383 Thx"
Sounds like you will need to clean your carburetor.
Be sure to use compressed air to blow out all the fuel and air passages.
After cleaning and before you reassemble the carb, be sure to "set" your float level, turn the carb upside down and make sure the float is LEVEL and not tilting up or down
Sometimes you can get by with priming the carburetor a few times, and letting it run a few times like that and it will flush the gunk out of the jets,but most of the time you will need to rebuild the carburetor.
If the mower/weedeater is over a couple years old, then I also recommend that you buy and install a new carburetor repair kit,because the diaphragm will get hard and that will cause it to be hard to crank.
When you clean your carburetor and remove the jet screws, You will first seat the jet screws and count the number of turns it takes to seat the jets from their original position.
That way when you go to put the jets back in, you know how many turns they were in/out.
Please rate me
Posted on Aug 23, 2010
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