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Simplicity Brush Mower with 13.4 hp intek Briggs & Stratton

#1

S

skleppin

Howdy,

I have an older Simplicity brush mower I use on my tree farm. When I engage the mower blade and cut, it dies after a few minutes. Heavy brush makes it worse. Eventually it will even stall after the blade is disengaged. Increasing the throttle makes it worse. Air filter cleaned. Coil replaced, new gas. In talking with the guy that does my repairs, he feels the carburetor is the last option. Any other ideas? Thanks, Steve.


#2

R

Rivets

I personally would have started with the carb. Post the engines model and type and code numbers so we can see exactly which engine you have. Briggs built a variety of 13.5 hp engines.


#3

S

skleppin

Rivets said:
I personally would have started with the carb. Post the engines model and type and code numbers so we can see exactly which engine you have. Briggs built a variety of 13.5 hp engines.
Click to expand...

Thanks for the reply, I appreciate it. 21B977 0120 E1 031120ZA. For the record, I am no mechanic. I just hoping to get to all possibilities of the problem so I don't get it back from repair and it does 10 minutes later. Steve


#4

M

mechanic mark

As inexpensive as air filters are replace yours. They are probably the most neglected part of any engine. You cannot clean an air filter efficiently with an air compressor blow gun. Engines need to breathe fresh air & a dirty or stopped up air filter will destroy an engine internally over time.

Results

www.briggsandstratton.com www.briggsandstratton.com


#5

R

Rivets

Replacing a carb would be a last option, but cleaning and rebuilding should be high on things to do. I would have done it before replacing a coil. One other thing on those engines is a blown head gasket, which will show up as rougher running engine as it warms up.


#6

M

mechanic mark

Rivets said:
Replacing a carb would be a last option, but cleaning and rebuilding should be high on things to do. I would have done it before replacing a coil. One other thing on those engines is a blown head gasket, which will show up as rougher running engine as it warms up.
Click to expand...
https://www.google.com/search?q=B&S...ome..69i57.26811j0j4&sourceid=chrome&ie=UTF-8 WALBRO carb. overhaul kit

https://www.google.com/search?q=b&S....69i57j0l5.18144j0j4&sourceid=chrome&ie=UTF-8 NIKKI carb. overhaul kit


#7

S

skleppin

mechanic mark said:
As inexpensive as air filters are replace yours. They are probably the most neglected part of any engine. You cannot clean an air filter efficiently with an air compressor blow gun. Engines need to breathe fresh air & a dirty or stopped up air filter will destroy an engine internally over time.

Results

www.briggsandstratton.com www.briggsandstratton.com
Click to expand...

Thanks


#8

S

skleppin

mechanic mark said:
https://www.google.com/search?q=B&S+PART+796185&oq=B&S+PART+796185&aqs=chrome..69i57.26811j0j4&sourceid=chrome&ie=UTF-8 WALBRO carb. overhaul kit

https://www.google.com/search?q=b&S+PART+796184&oq=b&S+PART+796184&aqs=chrome..69i57j0l5.18144j0j4&sourceid=chrome&ie=UTF-8 NIKKI carb. overhaul kit
Click to expand...


Thanks guys!


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