Greetings all
Have a problematic HRR2167 mower with a GCV160 engine that has started giving me real performance problems.
This is my third summer with the monster, and each year its given fresh regular unleaded gas and fresh oil. It mows a very simple, relatively flat residential yard, and has worked well until this summer, when I noticed it started to run really rough - black smoke, surging, the works.
First stop - spark plug. Existing plug fairly sooty, new plug installed. Runs - a little better, but not much. Not what I'm accustomed to. Next, air filter: Still virtually pristine - can easily see light through it. No real difference running with the filter completely off. With the presentation of black smoke, I start thinking actual carburetor plugging issues. So I tear it down, and notice the carb looks really clean, but I take it apart and clean it anyway.
No joy.
If anything, it starts to run worse, surging worse, so I run the fuel tank dry and get absolutely new, fresh gas - still no joy.
I'm no mechanic, but I've read at least enough to check out these few things, and with the beast still running rough, I'm out of ideas.
Is there something out of the box I'm just overlooking?
Thanks for any advice.
Have a problematic HRR2167 mower with a GCV160 engine that has started giving me real performance problems.
This is my third summer with the monster, and each year its given fresh regular unleaded gas and fresh oil. It mows a very simple, relatively flat residential yard, and has worked well until this summer, when I noticed it started to run really rough - black smoke, surging, the works.
First stop - spark plug. Existing plug fairly sooty, new plug installed. Runs - a little better, but not much. Not what I'm accustomed to. Next, air filter: Still virtually pristine - can easily see light through it. No real difference running with the filter completely off. With the presentation of black smoke, I start thinking actual carburetor plugging issues. So I tear it down, and notice the carb looks really clean, but I take it apart and clean it anyway.
No joy.
If anything, it starts to run worse, surging worse, so I run the fuel tank dry and get absolutely new, fresh gas - still no joy.
I'm no mechanic, but I've read at least enough to check out these few things, and with the beast still running rough, I'm out of ideas.
Is there something out of the box I'm just overlooking?
Thanks for any advice.
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