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Name Blau Punkt
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Location Wisc.
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Points 163
Number of Posts 163
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Date Joined Oct 14, 2011
Date Last Access Feb 6, 2015 11:49 am
blumonster's last  
Re: Honda HS621 won't start
#1   Feb 6, 2015 11:48 am
My hands are not large but I can't possibly reach into there holding the spark plug, I used Honda's spark plug socket without the wrench/metal piece first.
Re: Honda HS621 won't start
#2   Feb 5, 2015 9:14 pm
I pulled the spark plug, the tip was black, wet/oily etc. Dipped it in seafoam. Tried to install the new plug I got without success. It is NGK BPR5ES. It would not screw in. I might have stripped the threads. Somehow I was able to put the old cleaned up 'torch' brand plug back in. Maybe the new plug was not the right one?.. I drained the bowl as you suggested. It started. Without draining the gas entirely. Still disappointed in not being able to replace the plug and possibly having stripped the thread ưn the engine.
Honda HS621 won't start
#3   Feb 5, 2015 3:10 pm
Last week I started it with the choke closed (up) and started clearing snow. Within a minute it sputtered and died. I have not been able to start it since then. Even during winter I add stabil to gas. The gas in the tank is full, but it might be a few months old. I will get a new spark plug and see if it helps. What do you think is going on with it? Any suggestions?
Re: Cable Loose
#4   Jun 17, 2014 1:25 pm
Am I missing pieces? Here is what I see: The part where the cable is connected to the blade looks intact, I see that the cable is connected there.
Re: Cable Loose
#5   Jun 13, 2014 12:14 am
robertcoats wrote:
Notice how the other three cables (throttle, change, drive clutch) have the outer black sleeve pushed in tight (green circles) against the adjuster fitting:

But the Roto-Stop cable is clearly NOT in the right position (orange). Check both ends, and I'll bet it has come loose or broken.

Can you see the cable flex/move when you operate the Roto-Stop lever?

- - -
Caveat: I work for Honda, but the preceding was my opinion alone.

I pushed the cable sleeve into the adjuster fitting, does not stay there, does not look like it is broken either. The roto stop lever is completely free, the end with the tiny bullet size extension is not connected to the lever at all. I do not know how to connect it. I have no idea where the other end connects to. I looked under the deck, did not see anything out of the ordinary. I had to use my trimmer as a last resort to keep the growing grass under control. I just do not want to buy my third mower, I have limited space in the garage. The other one is some no-name mower but with a Honda engine also.
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