Question about Garden
You have a leak somewhere carburator or jets are loose.
Posted on Jul 21, 2009
Did you check the float height? If it drops too far down the carburetor will flood. Too far up it starves.
I think it may be too far up. Installed height? Level with the mounting flange for the float bowl cover.
Pilot screw. Which is the Idle Air adjust screw. No response? Sounds like there is junk down in the Idle to mid-range circuit. See if you can blow this passage out with air. I've had some circuits in the carburetor that I've had to remove the lead soft plug, and use a drill bit to clean them out! (YES, it kinda puts you on edge! I'm a machinist also, so everything works out)
Do you get a response from the Main Jet screw?
Another thing comes to mind. If the wrong camshaft was installed for the left bank, this would cause an uneven surge. Let's say the cam lobes have too much lift, or too much duration. Plus the lobe center separation must be correct. Also, what if this camshaft was installed one tooth off? It's hard to pinpoint what is the cause, without actually being there, and observing.
Not installing a spring, or if it's the usual progressive type setup for the spring, (Generally two springs in one. As the first spring is stretched to a certain point, the second spring comes into play), not installing it correctly, will allow the governor vane to move freely.
Posted on Jul 19, 2009
If you are having to close the choke slightly to smooth the engine out, the fuel mixture is lean. The fuel metering orifice has foreign material obstructing it.
I would suggest purchasing a bottle of "sea foam", mix it in your gas tank as directed on the bottle and run several tanks through it. The cleaner will remove any built up varnish or debris that is trapped in the very small fuel metering channels located in the carburetor.
I use it myself as a yearly maintenance prevention.
Good luck, let me know how it goes.
Posted on Jul 18, 2009
Carb will need to be pulled off, pulled apart, soaked in solvent for a few hours, gasket, reinstall and set pilot 1 1/4 turn from seat. Make sure floats are completely clean. And double check needle and seat to see if the are worn or bent.
Posted on Jul 20, 2009
Try to put a simply screen filter over the existing paper filter.
Something like a fine fishing net or a hair net will so.
The paper filter is under-size and the location is too low to the ground.
It can pick up dirt.
Try the screen method first and see does it help the engine ran smoother.
If it works OK then look for a larger filter.
Posted on Jul 17, 2009
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Posted on Jan 02, 2017
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