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Small Engines Small Engine Repair such as chain saws, lawn mowers, lawn tractors, etc.

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  #1   IP:
Old October 18th, 2010, 01:25 PM
dkell00 dkell00 is offline
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Join Date: Oct 2010
Posts: 2
Default Honda EM3500S generator won't start

My generator won't start so I've done the following which has not helped. I replaced the plug, changed the oil making sure it's full, drained and replaced the fuel including draining the carb bow. I pulled plug and made sure it has spark and then sprayed some starter fluid, then tired gas but still wont start. Seemed to fire a few times but did not start. put finger over plug hole and seems to have compression. Could spark be too weak or not sparking under compression. any ideas
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  #2   IP:
Old October 19th, 2010, 09:18 PM
wannabe wannabe is offline
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Join Date: May 2009
Posts: 577

check the valve clearance.

intake clearance is 0.006 inches

exhaust clearance is 0.008 inches

if you use metric gages,

it is .15mm intake and .20mm exhaust.
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  #3   IP:
Old October 24th, 2010, 06:22 PM
dkell00 dkell00 is offline
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Join Date: Oct 2010
Posts: 2
Default Honda EM3500 valve

Thanks for your response as you put me on the right track. When I removed the valve cover I discovered one of the bolts holding the rocker arm was broken so I will order a new one from Honda. Can you please tell me exactly how to adjust the valves once I replace the rocker arm.
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