Hello everyone. Let me start by saying from the few posts I've seen from this site you guys seem very knowledgeable. I'm happy to be Be a member and this is my first post.
I have a 31 hp vanguard engine. Now this engine is not on a lawn mower i actually have it on a Go Devil mud motor. But I'm assuming you guys can still help. My problem is i bought this motor and it started and ran good. I was out and about cruising around and hit a stump which is fine these motors are made to go in stumpy areas. As soon as i hit the stump the engine sounded different. It went from a nice smoothe hum to more of a big block rumble. I also had zero throttle response. So i limped it back to shore. Once i got it hone irealized the little rod that opens or closes the throttle bounced out when Ii hit the log. So i fixed it and started it up. Still sounds loud and seems to be running very rich (back firing) and still no throttle response. So i change the plugs. They were fowler bad! And actually the guy had the wrong ones in there. He had the short ones in. So i put te correct ones in and tried it and it starts easier but still no throttle response and running rich. So i smell the oil and it smells badly of gas. Does anyone have any ideas where to start here? I know it could be the carb or possibly the fuel pump. Any help is greatly appreciated. I am poor and will be fixing this in my garage! ! Hahahaha
I have a 31 hp vanguard engine. Now this engine is not on a lawn mower i actually have it on a Go Devil mud motor. But I'm assuming you guys can still help. My problem is i bought this motor and it started and ran good. I was out and about cruising around and hit a stump which is fine these motors are made to go in stumpy areas. As soon as i hit the stump the engine sounded different. It went from a nice smoothe hum to more of a big block rumble. I also had zero throttle response. So i limped it back to shore. Once i got it hone irealized the little rod that opens or closes the throttle bounced out when Ii hit the log. So i fixed it and started it up. Still sounds loud and seems to be running very rich (back firing) and still no throttle response. So i change the plugs. They were fowler bad! And actually the guy had the wrong ones in there. He had the short ones in. So i put te correct ones in and tried it and it starts easier but still no throttle response and running rich. So i smell the oil and it smells badly of gas. Does anyone have any ideas where to start here? I know it could be the carb or possibly the fuel pump. Any help is greatly appreciated. I am poor and will be fixing this in my garage! ! Hahahaha
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