Honda Mower Seems to be out of time

motoman

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With the move to Honda forum I think someone there wlll give you detailed advice.
 

Rednec

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I'm still fighting the battle and I think it is going to win. I'm beginning to wonder if the flywheel keyway in the crankshaft I bought could be off just a little bit causing it to be out of time just enough to kick back when trying to start it. I did figure out that when I shut the engine off if I will turn the gas off and let it burn all the fuel out of the carb then when I get ready to start the next time that It does not kick back. Maybe that is customary with an engine that is out of time, I don't know. I hate to tear the engine down again and replace a new crankshaft but I've about exhausted every idea that I can think of that could be causing this other than a mismanufactured crank. Does anyone have any other ideas as to why I would be getting the kickback other than being out of time and is there anyway to correct this other than replacing the crankshaft?
 

Russ2251

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Did you try to start it with blade engaged?
 

Russ2251

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Here are correct timing pics for any GCV Honda:
GCV 160 A.jpgGCV 160 B.jpg
 

Rednec

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Here are correct timing pics for any GCV Honda:
View attachment 39924View attachment 39925

That is the first time I have seen the picture of the crankshaft with the arrow on it. What I had seen is lining the keyway slot on the crank with the centerline of the block which I think is basically the same. I guess I am going to have to tear it down again and I will check the arrow at that time. Thanks for the info. Fortunately I still have the old crank that was bent and I will compare everything including the position of the flywheel keyway with the new crank. I appreciate your efforts and knowledge on this.
 

wackjeber

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This may or may not help, but I've had a couple of GCVs start kicking back on start-up and a tight-ish valve adjustment fixed them. Thought it might be worth a try before tearing the engine back apart.
 
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