These can be tricky, but your on the right track. With throttle set on high (engine off), turn governor linkage in the same direction that opens throttle valve in carb wide open, then turn the governor rod in that same direction then tighten bolt on governor arm. This is a static setting. The high and low idle is most likely a dirty carb so assuming the carb is now clean your idle should be better. Hope this helps. Good luck!
I’m happy to assist further over the phone at https://www.6ya.com/expert/layne_0fccff498c319c32
SOURCE: I have a twin cylinder Craftsman rider 42" cut
Sounds like the governor isn't activating at all. Not sure if yours if air operated or centrifugal. It's dangerous to let the motor over-rev - likely will destroy it - so don't try to mow with the souped-up engine.
If you can't find the problem in the governor itself, your approach of hooking up a temporary spring between the throttle arm and a fixed point, in the direction that closes the throttle, could work. Then you might be able to regulate the engine speed with the throttle lever for today at least. If the temporary spring isn't strong enough, wind a paper clip across one or more of the spring's spiral turns to compress them; this will 'shorten' the spring. Good luck!
SOURCE: drive chain loose and poped offmy snowblower
Two things you can do. First if you look close you may see a spot where you can adjust the chain tension. Nest your chain should have what is called master link. Look close and you will see a clip that undoes the link. Pull the link out and the chain will come apart. If you are not mechanically inclined take it to any small engine shop and they will take a link out for you and then you will be home free.Hope this helps. donnyb60
SOURCE: CRAFTSMAN 42
Check the electric fuel solenoid make sure there is voltage to it when engine is running.This model may have 3 relays on the engine harness and one of them is tied into the fuel valve try switch relays.Also check connectors on ignition switch sometimes one terminal can get corroded and cause problems.Also check the plunger on it to be sure it is moving freely.Also the fuel filter is usually half full,there is almost always some air in it.
SOURCE: Popping out exhaust, loss of power, wont run at full throttle.
I had the same problem. If it is a 2 cylinder, remove the valve covers. On one side, the rocker arm had slipped off of the push rod. It was real loose. Put the rocker arm back on the push rod and tighten it down. I think this will do the trick.
SOURCE: I have a 22 hp V Twin ELS Briggs. After setting up
Push rods are not the same length Refer closely to the manual.
Push rod problems can also be due to valve adjustment. When adjusting the valves check to see if the rocker nut has a torx set screw in the center. Read Manual carefully.
Personal notes:
This is a recurring problem for the engine.
Have you been keeping up with regular oil changes? Have seen stuck valves more in B&S engine if owner could not remember the last oil change.
Use the good stuff and change every 30 hours.
Rotate engine by hand after long terms of setting up. imagine setting peacefully after a long winter and some pushes your starter switch and you go from 0 to 3600 RPM, something going to give.
Lastly do a exhaust manifold Temp test after it warms up and running at full speed. is one side hotter than the other. It is also not uncommon for the High speed jet to be clogged causing one to starve and run lean, by product over heat. Try using a fuel inhibitor with some carb cleaner. Also stay away from ethanol fuel if you can, there is a difference.
Hope one of the tips help to solve your problem.
r/
David
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