I have a late 90's murray mower with an 18hp B&S and right now it takes A LOT of finagling to keep it running. So far, i have:
Replaced all fuel lines
Cleaned out fuel tank
Replaced Carburetor
Replaced Starter
When i start it now, I have the choke fully engaged. It takes a long time (2-3 minutes) of me opening the choke up for it to run completely open. The whole time this is happening, the governor is kicking in and out a lot, and even with throttle adjustments, I can't seem to get it to idle properly. Also, when i put it into gear, the rpms go WAY down on the mower and it just about dies. This is just when i put it into gear, not when i let off the clutch. So i was wondering if taking the governor off would help it at all? And what could be the problem with the rpms dropping when i put it into gear?
Check for an air leak where the carb mounts to the block. To do this take a can of carb cleaner and spray all areas where air could be coming in and listen for a change in RPM's.
Check for an air leak where the carb mounts to the block. To do this take a can of carb cleaner and spray all areas where air could be coming in and listen for a change in RPM's.
Check for an air leak where the carb mounts to the block. To do this take a can of carb cleaner and spray all areas where air could be coming in and listen for a change in RPM's.
Okay i used engine degreaser because i didnt have any carb cleaner. but it fired right up. It did stall on me after about a minute of it running when i was in gear and almost died, like seriously thought i was gonna be pushing it, but came back. Think i need a new gasket between the block and carb?
If it changed RPM's when you sprayed around that gasket I think you found the problem. You will have to adjust the carb again after installing the new gasket. Good Luck.
If it changed RPM's when you sprayed around that gasket I think you found the problem. You will have to adjust the carb again after installing the new gasket. Good Luck.
