Please Help my Honda Mower is driving me crazy! Here is the puzzle.
Bought my HRB216HXA in October 2001 and it ran well until the last year. Started having the engine run rough and die, plus frequent gas leaking from the carb if the fuel valve was not closed. I cleaned all of the fuel system from the cap down, checked the tank & lines for debris, added fresh filtered fuel, changed the spark plug and removed the carb several times for cleaning, but the problems persisted. Replaced with a new carb (HON16100-Z0L-023), which immediately leaked without the fuel valve closed. Thinking I got a bad float or needle valve in the new carb, I exchanged for another new carb. This second new carb is not as prone to leaking, although it does regularly, and the run problems are still there. While mowing, the engine will start to bog down and will die, but if I shake the mower a little hoping to move the float/fuel valve it will try to resume normal rpm. It may run well for a while after warming up, or it may spit, shudder, and die time after time. When it leaks fuel, the mower will not run until it has had time to dry the flooded carb.
All I know that will cause the flooding/leaking is the float and needle valve. Given that the original and two new carbs have leaked, I either have really bad luck, Honda is selling defective carbs, or another problem. I do not know much about the governor system, but I doubt it would cause a fuel leak. Can any of you real mechanics help before I trash what has been a good mower?
Bought my HRB216HXA in October 2001 and it ran well until the last year. Started having the engine run rough and die, plus frequent gas leaking from the carb if the fuel valve was not closed. I cleaned all of the fuel system from the cap down, checked the tank & lines for debris, added fresh filtered fuel, changed the spark plug and removed the carb several times for cleaning, but the problems persisted. Replaced with a new carb (HON16100-Z0L-023), which immediately leaked without the fuel valve closed. Thinking I got a bad float or needle valve in the new carb, I exchanged for another new carb. This second new carb is not as prone to leaking, although it does regularly, and the run problems are still there. While mowing, the engine will start to bog down and will die, but if I shake the mower a little hoping to move the float/fuel valve it will try to resume normal rpm. It may run well for a while after warming up, or it may spit, shudder, and die time after time. When it leaks fuel, the mower will not run until it has had time to dry the flooded carb.
All I know that will cause the flooding/leaking is the float and needle valve. Given that the original and two new carbs have leaked, I either have really bad luck, Honda is selling defective carbs, or another problem. I do not know much about the governor system, but I doubt it would cause a fuel leak. Can any of you real mechanics help before I trash what has been a good mower?
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