Home Improvement Asked by hello moto on September 3, 2021
I was riding my troy bilt 42" lawn mower when it started surging, so I changed the gas filter and blew out the ports on the carb, reinstalled everything and it still did it.
So I changed the carburator with a new one, changed the head gasket because it was leaking and put all new seals on the carb, as well as a new filter.
Also the gas is new and the hoses are good, When I started it… IT still surges, but now it makes a loud "POP" in the engine compartment and dies, or just surges real bad at high and low idle
I’m about one idea from rolling this thing off a cliff if I cant find what it might be… The gas gap seal was checked and it seems alright
If you were riding it when it started surging and the throttle is still work, I would guess that the choke cable either broke or the choke return spring fell off. The choke plate will be on the air-filter side of the throttle, so look and see if it is flapping around. If it is, then check the choke cable and return spring.
What is the make and model of the engine? Do you have any photos?
Answered by Eric on September 3, 2021
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