Honda HS520 Over speeding - Snowblower Forum : Snow Blower Forums
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post #1 of 1 Old 01-13-2018, 11:28 PM Thread Starter
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Honda HS520 Over speeding

I have a Honda Hs 520 (Gc160A) that engine is reving to high. All carb /gov linkage moves and is not bent at all. Nothing I can see is broke so my guess it has to be internal. I removed the engine from the frame, drained the oil and gas and split the crank case open. The internal governor looks to be fine. I did not see any broke or worn gears or cracked plastic. Do the internal Governors show wear? Now the weird part!!!! When I was splitting the case open a 1 1/2 " screw fell out from where I DON'T KNOW. It shows as if it was being ground away, the top half was 3 sided and the treads were still intact. I looked all the parts up on line and I did not see any screws about the same size or length. Help
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