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It is not getting enough fuel to keep running without being choked. Only running at choke and dying when you open the choke indicates a BAD LEAN fuel condition. If the machine runs at 1/2 power, the Intake valve may be slightly bent and not seating completely. I have gone back and read your first post, and think the Intake Valve is creating the issue. It ALMOST sounds like a fuel system problem.

I know that the Honda carburetors are quite finnicky and need to be squeaky clean to work properly. Hello again Bill, You are certainly welcome. Is my next step to pull the head and find out what the valve guides, valves, and seats are telling me? I immediately open the choke again and it resumes running, again at half speedħ) I repeat #6 several more times and the same thing happens - the machine will only run at half speed, and dies when I open the choke. Now I'm really excitedĦ) I let it run for 2 minutes for warm-up, then close the choke. I'm excitedĤ) On the 12th through the 30th pull, it runs for 2 seconds at about half speed, then diesĥ) On the 31st pull, it keeps running, though at half speed. Would appreciate your thoughts.Īre these symptoms consistent with what you're thinking is the problem? Or could I have another unrelated fuel delivery problem?Ģ) Pulled the started rope 10 times - nothingģ) On the 11th pull, a whimper. I reinstalled the head cover and temporary gasket, filled the machine with oil, and fired the thing up. Thanks again ShotOut, for all of your help. Any ideas and guidance would be greatly appreciated. It sounds like there is metal to metal contact so the intake valve appears to be seating.

I wonder what might cause the strange lash readings. But there is huge clearance between the intake valve stem end and the rocker arm of 0.040". Finger over the plug hole indicates compression is now there. I sprayed carb cleaner on the stem and the valve immediately began to move freely. I suppose I left gasoline in the engine and it got stale. Valve stem covered with goo that looked like typical gasoline varnish. Discovered the intake valve was not moving freely.

Good spark, but discovered zero compression. I am uncomfortable simply setting the lash to spec and putting the machine back together, and would appreciate guidance.īackground: I bought a new Karcher pressure washer equipped with the GCV160 engine. The GCV160 is covered by a comprehensive Honda 2 Year Domestic Warranty (90 Day Commercial Warranty).I removed the head cover from my GCV160 and discovered that at TDC the intake valve lash was over 0.040". The GCV160 is easy to use and maintain.And there’s a Honda blade brake clutch assembly available for lawn mower applications, should you require it (optional extra). Ideal for residential lawnmowers and pressure washers, the GCV160 engine is sure to pack a punch no matter how it’s used around the home.There is also a demand for the GCV160 in the Agricultural industry, where it’s used to power Ag Equipment around Australia.If you’ve got a different use for it, then by all means, see how the GCV160 stacks up with other Honda engines by clicking the Compare icon in the top right of this page.The lightest engine in its class, the GCV160 features the world’s first general purpose engine internal timing belt, which provides quiet operation.It features a compact combustion chamber, overhead cam design, and uniblock construction to reduce fuel consumption.