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| I'm usually pretty handy but this has me stumped.
A friend gave me her old mower, a newer model Craftsman push type. It has a 4-stroke Briggs & Stratton engine, with auto choke and primer bulb. Last year the mower got where it would take 10 attempted cranks before it started, and was pretty weak. On those attempts it would always start and run a few seconds, then die. Would have to press the primer to get it to start & die again. With enough repeats it would start and stay running. This spring I had the same problem of it starting then dying. So I carefully disassembed the carb (with pictures and labels), cleaned it out with an air hose, then reassembled. Same problem. It would run a few seconds then die. Gas flows freely from the tank & hose. It is new gas. So I decided to replace the entire carburetor, fearing a piece of dirt had become lodged where compressed air wouldn't blow it out. I also replaced the backing plate which included a new primer bulb. Parts were $50. To my utter dismay, the mower still has the same problem. It starts, runs a few seconds then dies. I found that if I keep pressing the primer bulb right after starting, it will keep running. This is driving me crazy. It's a nice mower -- can anyone help?
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Here is a link that might be useful: picture of actual mower
Follow-Up Postings:
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- Posted by bill_kapaun Z8 Orygun (My Page) on Thu, Mar 17, 11 at 15:47
| The carb jet is the little brass nut on the bottom of the carb bowl. Clean out the clogged hole in it. |
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- Posted by sheslostcontrol none (My Page) on Thu, Mar 17, 11 at 20:12
| Did you read where I bought a brand new carb? |
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| Hopefully you have covered your bases by cleaning the tank well along with the fuel line. Or replace the fuel line if it has deteriorated. Many don't, and end up recontaminating the carb. Also be sure the intake is sound, not cracked or loose and the seal had been replaced. |
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- Posted by CeCe(lesita75@aol.com) onSun, May 22, 11 at 19:26
| We had a similar problem with the same model. We just got it from the pawn shop. We changed the spark plug and air filter and my husband tweaked the throtle a little bit and now it is running like brand new. Hope this helps. |
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| I know this is an old post but check your gas cap. Mine did not seal correctly their fore it was having trouble staying started. Hope this helps |
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- Posted by tn_gardening (My Page) on Mon, Mar 26, 12 at 15:16
| Too bad you aren't closer to me. Together we could have one good mower. My 6.5 hp B.S. motor runs great, but the blade adapter and belts need replacing (I got it for free and simply don't want to put $50 replacing the parts considering my other mower runs fine). |
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