I was given a Honda HRM215 lawn mower with a GXV140 engine by a friend because he no longer mows his own lawn. The mower had been sitting in his garage for a few years and he did not drain the gas after he last used it. When I got it, it would not start. After I cleaned out the carburetor I was able to start it. But it never ran right and would stall after running for 5-10 minutes. It looked like the engine was running too slow and I tried adjusting the throttle screw to no avail. I found some video on youtube about adjusting the governor to make the engine runs faster and decided to give it a try. When I tried to turn the governor arm shaft after loosen the bolt, it was so tight that I could hardly move it in either direction. After I tightened the bolt and restarted the engine, it was running so fast that it actually back fired a couple times and I could smell the unburned gas. The governor arm did not move and was always in the full throttle position. When I pushed the arm toward the carburetor, the engine slowed down. Looks like I might have messed up the governor inside the engine that it no longer controls the shaft. One thing I notice is that I can move the shaft and the arm in-and-out for about an inch which I think maybe the shaft is disconnected from some mechanism internally. I tried adjusting the governor arm shaft a few more times and could not get the engine to slow down. I am running out of ideas and any help is appreciated.
Honda HRM215 governor problem
- Thread starter King72
- Start date
bertsmobile1
Lawn Royalty
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- Nov 29, 2014
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Sounds like you might be right.
If it has been sitting for a long time the governor could have rusted solid, gotten gumed up etc.
It is a good engine & worth repairing.
Pull the engine apart and have a look.
The Honda manuals are not particularly good but if this is a first time pull down probably worth getting your hands on.
Parts diagrams are available from parts sellers and these are the most important .
Next most important tool is your digital camera, sitting on a tripod and a photo of each part as it comes off then reassembly is simply a reverse of the photos.
Because of all of the cheap knock off parts around, genuine Honda parts are now quite cheap so consider a new carb.
If not make sure you remover the emulsion tube and clean out every hole.
If they are not in spotless condition the engines run like poo.