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#1
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Gasoline in oil, B&S 15.5hp
Hi,
I have a problem with my riding mower, it is a craftsman 42" cut, 15.5 I/C OHV Briggs and Stratton engine. It is about 7 years old and has been quite reliable, having replaced only the battery once or twice. Whats been happening lately is the oil case has been filling up past the full mark with gasoline, then from time to time it stops running while mowing my yard. If allowed to cool off it will start up again after 30 minutes or so then I just put it away in the garage. I just changed the oil last week and cut the whole lawn without interruption, it runs like new when the oil is fresh. So I think the main problem is the oil gets contaminated with gas, and the question is what needs to be replaced or fixed to solve this problem? And, where can I get a good deal on parts if that is part of the solution? Thank you in advance. Fish. |
#2
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fish wrote:
Hi, I have a problem with my riding mower, it is a craftsman 42" cut, 15.5 I/C OHV Briggs and Stratton engine. It is about 7 years old and has been quite reliable, having replaced only the battery once or twice. Whats been happening lately is the oil case has been filling up past the full mark with gasoline, then from time to time it stops running while mowing my yard. If allowed to cool off it will start up again after 30 minutes or so then I just put it away in the garage. I just changed the oil last week and cut the whole lawn without interruption, it runs like new when the oil is fresh. So I think the main problem is the oil gets contaminated with gas, and the question is what needs to be replaced or fixed to solve this problem? And, where can I get a good deal on parts if that is part of the solution? Thank you in advance. Fish. Carbueretor---you're dumping raw gas straight on through the intake in large quantities to fill the crankcase. Possibly a good cleaning, most likely a rebuild. |
#3
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On Wed, 01 Jun 2005 20:23:46 -0500, Duane Bozarth
wrote: fish wrote: Hi, I have a problem with my riding mower, it is a craftsman 42" cut, 15.5 I/C OHV Briggs and Stratton engine. It is about 7 years old and has been quite reliable, having replaced only the battery once or twice. Whats been happening lately is the oil case has been filling up past the full mark with gasoline, then from time to time it stops running while mowing my yard. If allowed to cool off it will start up again after 30 minutes or so then I just put it away in the garage. I just changed the oil last week and cut the whole lawn without interruption, it runs like new when the oil is fresh. So I think the main problem is the oil gets contaminated with gas, and the question is what needs to be replaced or fixed to solve this problem? And, where can I get a good deal on parts if that is part of the solution? Thank you in advance. Fish. Carbueretor---you're dumping raw gas straight on through the intake in large quantities to fill the crankcase. Possibly a good cleaning, most likely a rebuild. Sounds good, where can i get the parts for the rebuild. If I take it apart I may as well rebuild for a few bucks. Is this good logic? Fish |
#4
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If there is not one already, install a cutoff in the fuel line. Close it
when the engine is not being used. If you detect gasoline in the oil or the oil level is higher than normal, change the oil before starting the engine. Any mower or small engine shop would have or be able to get the carburetor parts. The Briggs and Stratton website should have operating manual and parts list for your engine. Don Young "fish" wrote in message ... On Wed, 01 Jun 2005 20:23:46 -0500, Duane Bozarth wrote: fish wrote: Hi, I have a problem with my riding mower, it is a craftsman 42" cut, 15.5 I/C OHV Briggs and Stratton engine. It is about 7 years old and has been quite reliable, having replaced only the battery once or twice. Whats been happening lately is the oil case has been filling up past the full mark with gasoline, then from time to time it stops running while mowing my yard. If allowed to cool off it will start up again after 30 minutes or so then I just put it away in the garage. I just changed the oil last week and cut the whole lawn without interruption, it runs like new when the oil is fresh. So I think the main problem is the oil gets contaminated with gas, and the question is what needs to be replaced or fixed to solve this problem? And, where can I get a good deal on parts if that is part of the solution? Thank you in advance. Fish. Carbueretor---you're dumping raw gas straight on through the intake in large quantities to fill the crankcase. Possibly a good cleaning, most likely a rebuild. Sounds good, where can i get the parts for the rebuild. If I take it apart I may as well rebuild for a few bucks. Is this good logic? Fish |
#5
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Excellent advice from DY and DB, thank you. I will be on my way to
the parts store this weekend. Where can I find a good cut off valve for the fuel line? Also, is there a standard carburetor rebuild kit for this engine type? Will the guys at the parts counter of my nearest B&S repair shop know exactly what parts I need for the rebuild? Thanks, Fish On Wed, 1 Jun 2005 22:48:31 -0500, "Don Young" wrote: If there is not one already, install a cutoff in the fuel line. Close it when the engine is not being used. If you detect gasoline in the oil or the oil level is higher than normal, change the oil before starting the engine. Any mower or small engine shop would have or be able to get the carburetor parts. The Briggs and Stratton website should have operating manual and parts list for your engine. Don Young "fish" wrote in message .. . On Wed, 01 Jun 2005 20:23:46 -0500, Duane Bozarth wrote: fish wrote: Hi, I have a problem with my riding mower, it is a craftsman 42" cut, 15.5 I/C OHV Briggs and Stratton engine. It is about 7 years old and has been quite reliable, having replaced only the battery once or twice. Whats been happening lately is the oil case has been filling up past the full mark with gasoline, then from time to time it stops running while mowing my yard. If allowed to cool off it will start up again after 30 minutes or so then I just put it away in the garage. I just changed the oil last week and cut the whole lawn without interruption, it runs like new when the oil is fresh. So I think the main problem is the oil gets contaminated with gas, and the question is what needs to be replaced or fixed to solve this problem? And, where can I get a good deal on parts if that is part of the solution? Thank you in advance. Fish. Carbueretor---you're dumping raw gas straight on through the intake in large quantities to fill the crankcase. Possibly a good cleaning, most likely a rebuild. Sounds good, where can i get the parts for the rebuild. If I take it apart I may as well rebuild for a few bucks. Is this good logic? Fish |
#6
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Fish,
You'll need to know which carb you have, there are lots of them. Remove the carb and bring it to the parts store so they can read the numbers. Dave M. |
#7
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why not put an inline fuel shutoff between the tank and carb...AND USE
IT!!!. |
#8
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brilliant! I think I will!!!!
thx On Fri, 3 Jun 2005 08:08:06 -0400, wrote: why not put an inline fuel shutoff between the tank and carb...AND USE IT!!!. |
#9
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fish wrote: brilliant! I think I will!!!! thx On Fri, 3 Jun 2005 08:08:06 -0400, wrote: why not put an inline fuel shutoff between the tank and carb...AND USE IT!!!. I see no-one answered you question of where to get one. I got mine at NAPA auto parts (That was a result of having the same problem - it was a sticking float). They only need to know the fuel line size. Be sure to install it in a convenient to reach location and -remember- to use it. I can just barely reach mine from the seat. Harry K |
#10
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thx, I got one today too, at napa. so i will install this weekend or
next. i got the inline cut off that is black, with a red turn knob. it was more than $4, I thought it might be like 1.5 dollars, oh well it will get the job done. On 3 Jun 2005 18:02:18 -0700, "Harry K" wrote: fish wrote: brilliant! I think I will!!!! thx On Fri, 3 Jun 2005 08:08:06 -0400, wrote: why not put an inline fuel shutoff between the tank and carb...AND USE IT!!!. I see no-one answered you question of where to get one. I got mine at NAPA auto parts (That was a result of having the same problem - it was a sticking float). They only need to know the fuel line size. Be sure to install it in a convenient to reach location and -remember- to use it. I can just barely reach mine from the seat. Harry K |
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